USPC Patent Classifications

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Class 361 electricity: electrical systems and devices
uspcdescription
361/1361 electricity: electrical systems and devices/(1) safety and protection of systems and devices
361/2361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch)
361/3361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (3) synchronized or sequential opening or closing
361/4361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (3) synchronized or sequential opening or closing (4) counter electromotive force
361/5361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (3) synchronized or sequential opening or closing (5) with current sensitive control circuit
361/6361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (3) synchronized or sequential opening or closing (6) with voltage sensitive control circuit
361/7361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (3) synchronized or sequential opening or closing (7) with combined voltage and current sensitive control circuit
361/8361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (3) synchronized or sequential opening or closing (8) shunt bypass
361/9361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (3) synchronized or sequential opening or closing (8) shunt bypass (9) with sequentially inserted impedance
361/10361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (10) by inserting series impedance
361/11361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (10) by inserting series impedance (11) nonlinear impedance
361/12361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (10) by inserting series impedance (12) by arc stretching (e.g., horn gap)
361/13361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (13) shunt bypass of main switch
361/14361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (2) arc suppression at switching point (i.e., includes solid-state switch) (14) arc blowout for main breaker contact (e.g., electromagnet, gas, fluid, etc.)
361/15361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (15) capacitor protection
361/16361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (15) capacitor protection (16) series connected capacitors
361/17361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (15) capacitor protection (17) shunt connected capacitors
361/18361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (18) voltage regulator protective circuits
361/19361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (19) superconductor protective circuits
361/20361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (20) generator protective circuits
361/21361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (20) generator protective circuits (21) voltage responsive
361/22361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (22) compressor protective circuits
361/23361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits
361/24361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (24) current and temperature
361/25361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (25) motor temperature
361/26361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (25) motor temperature (26) with bimetallic sensor
361/27361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (25) motor temperature (27) with thermistor sensor
361/28361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (28) with time delay
361/29361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (28) with time delay (29) during energization of motor
361/30361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (30) current and voltage
361/31361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (31) current
361/32361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (31) current (32) bimetallic element
361/33361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (33) voltage
361/34361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (23) motor protective condition responsive circuits (33) voltage (34) bimetallic element
361/35361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (35) transformer protection
361/36361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (35) transformer protection (36) with differential sensing means
361/37361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (35) transformer protection (37) with temperature or pressure sensing means
361/38361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (35) transformer protection (38) transformer with structurally combined protective device
361/39361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (35) transformer protection (38) transformer with structurally combined protective device (39) with lightning arrester and fuse
361/40361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (35) transformer protection (38) transformer with structurally combined protective device (40) with lightning arrester (e.g., spark gap)
361/41361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (35) transformer protection (38) transformer with structurally combined protective device (41) with fuse
361/42361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection
361/43361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (43) fault suppression (e.g., petersen coil)
361/44361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (44) with differential sensing in a polyphase system
361/45361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (45) with differential sensing in a single phase system
361/46361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (45) with differential sensing in a single phase system (46) with more than two wires
361/47361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (47) in a polyphase system
361/48361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (47) in a polyphase system (48) with more than three wires
361/49361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (49) in a single phase system
361/50361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (42) ground fault protection (49) in a single phase system (50) with more than two wires
361/51361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (51) overspeed responsive
361/52361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (52) by regulating source or load (e.g., generator field killed)
361/53361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (52) by regulating source or load (e.g., generator field killed) (53) prime mover control
361/54361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (54) load shunting by fault responsive means (e.g., crowbar circuit)
361/55361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (54) load shunting by fault responsive means (e.g., crowbar circuit) (55) disconnect after shunting
361/56361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (54) load shunting by fault responsive means (e.g., crowbar circuit) (56) voltage responsive
361/57361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (54) load shunting by fault responsive means (e.g., crowbar circuit) (57) current responsive
361/58361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (58) impedance insertion
361/59361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (59) circuit automatically reconnected only after the fault is cleared
361/60361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (59) circuit automatically reconnected only after the fault is cleared (60) with differential voltage comparison across the circuit interrupting means
361/61361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (59) circuit automatically reconnected only after the fault is cleared (61) reclosing of the nonfaulty phases of a polyphase system
361/62361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (62) feeder protection in distribution networks
361/63361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (62) feeder protection in distribution networks (63) with current responsive fault sensor
361/64361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (62) feeder protection in distribution networks (63) with current responsive fault sensor (64) with communication between feeder disconnect points
361/65361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (62) feeder protection in distribution networks (65) with current and voltage responsive fault sensors
361/66361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (62) feeder protection in distribution networks (65) with current and voltage responsive fault sensors (66) with communication between feeder disconnect points
361/67361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (67) series connected sections with faulty section disconnect
361/68361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (67) series connected sections with faulty section disconnect (68) with communication between disconnect points
361/69361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (67) series connected sections with faulty section disconnect (68) with communication between disconnect points (69) pilot wire communication
361/70361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (67) series connected sections with faulty section disconnect (70) constant current system
361/71361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (71) automatic reclosing
361/72361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (71) automatic reclosing (72) with lockout means
361/73361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (71) automatic reclosing (72) with lockout means (73) including timer reset before lockout
361/74361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (71) automatic reclosing (74) continuous
361/75361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (71) automatic reclosing (74) continuous (75) with time delay before reclosing
361/76361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (76) with phase sequence network analyzer
361/77361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (77) reverse phase responsive
361/78361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means
361/79361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (79) voltage and current
361/80361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (79) voltage and current (80) distance relaying
361/81361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (79) voltage and current (80) distance relaying (81) with communication means between disconnect points
361/82361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (79) voltage and current (82) reverse energy responsive (e.g., directional)
361/83361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (79) voltage and current (83) with time delay protective means
361/84361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (84) reverse energy responsive (e.g., directional)
361/85361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (85) phase
361/86361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (86) voltage
361/87361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (78) with specific quantity comparison means (87) current
361/88361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor
361/89361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (89) with time delay protective means
361/90361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (90) overvoltage and undervoltage
361/91.1361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage
361/91.2361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage (91.2) with resistor sensor
361/91.3361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage (91.3) including time delay
361/91.4361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage (91.4) including photo-coupling (e.g., photo-receptors, photo-emitters, etc.)
361/91.5361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage (91.5) including p-n junction (e.g., a diode, a zener diode, or transistor)
361/91.6361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage (91.5) including p-n junction (e.g., a diode, a zener diode, or transistor) (91.6) with zener diode sensor
361/91.7361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage (91.7) protection by snubber circuitry
361/91.8361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (91.1) overvoltage (91.8) protection for thyristor
361/92361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (88) with specific voltage responsive fault sensor (92) undervoltage
361/93.1361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor
361/93.2361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.2) digital control
361/93.3361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.3) rating plug
361/93.4361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.4) automatic reset after trip
361/93.5361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.5) transformer and resistor sensors
361/93.6361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.6) transformer sensor (i.e., toroidal current sensor)
361/93.7361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.7) resistor sensor
361/93.8361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.8) thermal sensing
361/93.9361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (93.9) current limiting
361/94361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (94) with time delay protective means
361/95361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (94) with time delay protective means (95) with instantaneous override
361/96361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (94) with time delay protective means (95) with instantaneous override (96) with multiple timing characteristics (e.g., short, long)
361/97361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (94) with time delay protective means (97) with multiple timing characteristics
361/98361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (94) with time delay protective means (98) transistorized
361/99361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (94) with time delay protective means (99) combined thermal-electromagnetic relay
361/100361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (100) with semiconductor circuit interrupter (e.g., scr, triac, tunnel diode, etc.)
361/101361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (100) with semiconductor circuit interrupter (e.g., scr, triac, tunnel diode, etc.) (101) with transistor circuit interrupter
361/102361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (93.1) with specific current responsive fault sensor (102) with mechanical circuit breaker
361/103361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (103) circuit interruption by thermal sensing
361/104361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (103) circuit interruption by thermal sensing (104) with fuse
361/105361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (103) circuit interruption by thermal sensing (105) with bimetallic element
361/106361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (103) circuit interruption by thermal sensing (106) with thermistor
361/107361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (107) with specific transmission line (e.g., guarded)
361/108361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (107) with specific transmission line (e.g., guarded) (108) plural conductors in single sheath (e.g., compound)
361/109361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (109) too large fault makes breaker inoperative
361/110361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (110) transient nonresponsive (e.g., ignores surge on transmission line)
361/111361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (111) transient responsive
361/112361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (112) with space discharge means
361/113361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (113) with tuned circuit
361/114361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (114) with manual or automatic opening of breaker and manual reclose
361/115361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (115) with specific circuit breaker or control structure
361/116361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (115) with specific circuit breaker or control structure (116) pneumatically operated circuit breaker
361/117361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester)
361/118361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (118) surge prevention (e.g., choke coil)
361/119361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (118) surge prevention (e.g., choke coil) (119) in communication systems
361/120361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (120) vacuum or gas filled space discharge
361/121361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (121) fluid (e.g., mercury, quenching)
361/122361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (121) fluid (e.g., mercury, quenching) (122) electrolytic
361/123361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (121) fluid (e.g., mercury, quenching) (123) gas blast
361/124361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (124) thermal (e.g., fusible, bimetallic)
361/125361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (124) thermal (e.g., fusible, bimetallic) (125) with cutout (e.g., blowout type)
361/126361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (126) current limiting material in discharge path
361/127361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (126) current limiting material in discharge path (127) nonlinear material (e.g., valve type)
361/128361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (126) current limiting material in discharge path (127) nonlinear material (e.g., valve type) (128) with plural gaps in discharge path
361/129361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (129) plural gaps with common electrode
361/130361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (130) plural gaps serially connected
361/131361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (131) combined (e.g., with disconnect switch)
361/132361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (131) combined (e.g., with disconnect switch) (132) with line supporting insulator
361/133361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (133) with magnetic means (e.g., electromagnet)
361/134361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (133) with magnetic means (e.g., electromagnet) (134) arc stretching (e.g., blowout)
361/135361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (133) with magnetic means (e.g., electromagnet) (134) arc stretching (e.g., blowout) (135) by separating contacts
361/136361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (133) with magnetic means (e.g., electromagnet) (136) for grounding line
361/137361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (137) horn gap
361/138361 electricity: electrical systems and devices/(1) safety and protection of systems and devices (117) high voltage dissipation (e.g., lightning arrester) (137) horn gap (138) with resistance insertion
361/139361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices
361/140361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (140) including compensation for thermal change of electromagnetic device
361/141361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (141) including superconductivity
361/142361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (142) including housing
361/143361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field
361/144361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (144) for lifting or holding
361/145361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (144) for lifting or holding (145) magnetic chuck-type
361/146361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (146) systems for magnetic field stabilization or compensation
361/147361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (147) with permanent magnet
361/148361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (147) with permanent magnet (148) calibration or permanent magnet
361/149361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (149) demagnetizing
361/150361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (149) demagnetizing (150) television degaussing
361/151361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (149) demagnetizing (151) magnetic tape
361/152361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (152) including particular drive circuit
361/153361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (152) including particular drive circuit (153) pulse initiated
361/154361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (152) including particular drive circuit (154) including means to establish plural distinct current levels (e.g., high, low)
361/155361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (152) including particular drive circuit (154) including means to establish plural distinct current levels (e.g., high, low) (155) with capacitor charging or discharging through coil
361/156361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (143) systems for magnetizing, demagnetizing, or controlling the magnetic field (152) including particular drive circuit (156) with capacitor charging or discharging through coil
361/157361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (157) including instrument (e.g., meter-relay)
361/158361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (157) including instrument (e.g., meter-relay) (158) temperature indicating instrument
361/159361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (159) including means for using, or compensating for, the induced emf of the electromagnetic device
361/160361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids
361/161361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (161) including thermal device
361/162361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (161) including thermal device (162) thermoelectric
361/163361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (161) including thermal device (163) bimetallic element
361/164361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (161) including thermal device (163) bimetallic element (164) including heater
361/165361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (161) including thermal device (165) thermistor
361/166361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (166) plural relays or solenoids sequentially operated
361/167361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (166) plural relays or solenoids sequentially operated (167) alternately operated
361/168.1361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (166) plural relays or solenoids sequentially operated (168.1) pulse responsive
361/169.1361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (166) plural relays or solenoids sequentially operated (168.1) pulse responsive (169.1) including electronic element
361/170361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition)
361/171361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (171) code responsive
361/172361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (171) code responsive (172) including electronic element
361/173361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (173) light
361/174361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (173) light (174) light sensor controls its light path
361/175361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (173) light (175) including electronic element
361/176361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (173) light (175) including electronic element (176) plural light sensors
361/177361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (173) light (177) plural light sensors
361/178361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (178) fluid (e.g., liquid level, humidity)
361/179361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (179) proximity or contact
361/180361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (179) proximity or contact (180) metal presence or absence responsive
361/181361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (179) proximity or contact (181) capacitance change-type
361/182361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (182) frequency (e.g., audio, radio)
361/183361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (182) frequency (e.g., audio, radio) (183) plural relays or solenoids as loads
361/184361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (182) frequency (e.g., audio, radio) (184) specific frequency responsive relay
361/185361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (185) phase
361/186361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (186) pulse
361/187361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (187) voltage or current level discriminators
361/188361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (170) condition responsive (e.g., external circuit condition) (188) variable impedance
361/189361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (189) plural switches in control circuit
361/190361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (189) plural switches in control circuit (190) including electronic switch
361/191361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (191) plural relay or solenoid load selectively operated
361/192361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (191) plural relay or solenoid load selectively operated (192) including interlock
361/193361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (191) plural relay or solenoid load selectively operated (192) including interlock (193) electronic interlock
361/194361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (194) holding means
361/195361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay
361/196361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay (196) including semiconductor device connected to timing element
361/197361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay (196) including semiconductor device connected to timing element (197) threshold device (e.g., zener, schockley diode)
361/198361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay (196) including semiconductor device connected to timing element (197) threshold device (e.g., zener, schockley diode) (198) including three or more electrodes (e.g., unijunction)
361/199361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay (199) including electric discharge device
361/200361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay (199) including electric discharge device (200) threshold device (neon tube)
361/201361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay (199) including electric discharge device (200) threshold device (neon tube) (201) including thyratron
361/202361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (195) time delay (202) electromechanical delay means
361/203361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (203) with oscillator
361/204361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (204) with magnetic amplifier or saturable reactor
361/205361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (205) threshold device (e.g., scr, thyratron)
361/206361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (206) particular relay or solenoid
361/207361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (206) particular relay or solenoid (207) electrostatic
361/208361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (206) particular relay or solenoid (208) polarized
361/209361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (206) particular relay or solenoid (209) alternating current type
361/210361 electricity: electrical systems and devices/(139) control circuits for electromagnetic devices (160) for relays or solenoids (206) particular relay or solenoid (210) plural coils
361/211361 electricity: electrical systems and devices/(211) control circuits for nonelectromagnetic type relay (e.g., thermal relays)
361/212361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity)
361/213361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (213) by charged gas irradiation
361/214361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (214) of paper or paper handling machine
361/215361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (215) of storage or hazardous area or fluid handling
361/216361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (216) structurally combined with building or vehicle
361/217361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (216) structurally combined with building or vehicle (217) with external structure of vehicle
361/218361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (216) structurally combined with building or vehicle (217) with external structure of vehicle (218) aircraft
361/219361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (216) structurally combined with building or vehicle (217) with external structure of vehicle (219) chain-type grounding means
361/220361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (220) specific conduction means or dissipator
361/221361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (220) specific conduction means or dissipator (221) brush- or roller-type structure
361/222361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (220) specific conduction means or dissipator (222) rod-type structure
361/223361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (220) specific conduction means or dissipator (223) shoe type
361/224361 electricity: electrical systems and devices/(212) discharging or preventing accumulation of electric charge (e.g., static electricity) (220) specific conduction means or dissipator (223) shoe type (224) integral with shoe
361/225361 electricity: electrical systems and devices/(225) electric charging of objects or materials
361/226361 electricity: electrical systems and devices/(225) electric charging of objects or materials (226) particulate matter (e.g., liquids with suspended particles)
361/227361 electricity: electrical systems and devices/(225) electric charging of objects or materials (226) particulate matter (e.g., liquids with suspended particles) (227) for spray production
361/228361 electricity: electrical systems and devices/(225) electric charging of objects or materials (226) particulate matter (e.g., liquids with suspended particles) (227) for spray production (228) liquid type
361/229361 electricity: electrical systems and devices/(225) electric charging of objects or materials (229) by charged gas irradiation
361/230361 electricity: electrical systems and devices/(230) electric charge generating or conducting means (e.g., charging of gases)
361/231361 electricity: electrical systems and devices/(230) electric charge generating or conducting means (e.g., charging of gases) (231) modification of environmental electric charge
361/232361 electricity: electrical systems and devices/(230) electric charge generating or conducting means (e.g., charging of gases) (232) for application to living beings
361/233361 electricity: electrical systems and devices/(230) electric charge generating or conducting means (e.g., charging of gases) (233) use of forces of electric charge or field
361/234361 electricity: electrical systems and devices/(230) electric charge generating or conducting means (e.g., charging of gases) (233) use of forces of electric charge or field (234) pinning
361/235361 electricity: electrical systems and devices/(230) electric charge generating or conducting means (e.g., charging of gases) (235) with specific power supply
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