USPC Patent Classifications

Links will help build a uspc search at the uspto for you.

Class 338 electrical resistors
uspcdescription
338/1338 electrical resistors/(1) coherer type
338/2338 electrical resistors/(2) strain gauge type
338/3338 electrical resistors/(2) strain gauge type (3) with temperature compensation
338/4338 electrical resistors/(2) strain gauge type (4) fluid- or gas pressure-actuated
338/5338 electrical resistors/(2) strain gauge type (5) dynamometer type
338/6338 electrical resistors/(2) strain gauge type (6) extensometer type
338/7338 electrical resistors/(7) resistance value temperature-compensated
338/8338 electrical resistors/(7) resistance value temperature-compensated (8) temperature-compensated actuator
338/9338 electrical resistors/(7) resistance value temperature-compensated (9) with additional compensating resistor or resistance element
338/10338 electrical resistors/(7) resistance value temperature-compensated (9) with additional compensating resistor or resistance element (10) filament or wire resistance elements
338/11338 electrical resistors/(11) reflector directs heat on element
338/12338 electrical resistors/(12) movable magnet actuates resistor through housing or partition
338/13338 electrical resistors/(13) resistance value responsive to a condition
338/14338 electrical resistors/(13) resistance value responsive to a condition (14) plural conditions
338/15338 electrical resistors/(13) resistance value responsive to a condition (15) photoconductive (e.g., light sensitive)
338/16338 electrical resistors/(13) resistance value responsive to a condition (15) photoconductive (e.g., light sensitive) (16) with vibration control
338/17338 electrical resistors/(13) resistance value responsive to a condition (15) photoconductive (e.g., light sensitive) (17) plural resistance elements (e.g., mosaic)
338/18338 electrical resistors/(13) resistance value responsive to a condition (15) photoconductive (e.g., light sensitive) (18) infrared radiation
338/19338 electrical resistors/(13) resistance value responsive to a condition (15) photoconductive (e.g., light sensitive) (19) with transparent housing
338/20338 electrical resistors/(13) resistance value responsive to a condition (20) current and/or voltage (e.g., ballast resistor)
338/21338 electrical resistors/(13) resistance value responsive to a condition (20) current and/or voltage (e.g., ballast resistor) (21) voltage surge-responsive or lightning arrester type
338/22R338 electrical resistors/(13) resistance value responsive to a condition (20) current and/or voltage (e.g., ballast resistor) (22r) thermistor type
338/23338 electrical resistors/(13) resistance value responsive to a condition (20) current and/or voltage (e.g., ballast resistor) (22r) thermistor type (23) indirectly heated
338/22SD338 electrical resistors/(13) resistance value responsive to a condition (20) current and/or voltage (e.g., ballast resistor) (22r) thermistor type (22sd) semiconductor
338/24338 electrical resistors/(13) resistance value responsive to a condition (20) current and/or voltage (e.g., ballast resistor) (24) indirectly heated
338/25338 electrical resistors/(13) resistance value responsive to a condition (25) ambient temperature
338/26338 electrical resistors/(13) resistance value responsive to a condition (25) ambient temperature (26) cable or tape type (e.g., fire-detecting cable)
338/27338 electrical resistors/(13) resistance value responsive to a condition (25) ambient temperature (27) liquid contact or element
338/28338 electrical resistors/(13) resistance value responsive to a condition (25) ambient temperature (28) probe type
338/29338 electrical resistors/(13) resistance value responsive to a condition (25) ambient temperature (28) probe type (29) mechanically adjustable or variable
338/30338 electrical resistors/(13) resistance value responsive to a condition (25) ambient temperature (28) probe type (30) terminal forms casing or housing
338/31338 electrical resistors/(13) resistance value responsive to a condition (25) ambient temperature (31) mechanically adjustable or variable
338/32R338 electrical resistors/(13) resistance value responsive to a condition (32r) magnetic field or compass (e.g., hall effect type)
338/32H338 electrical resistors/(13) resistance value responsive to a condition (32r) magnetic field or compass (e.g., hall effect type) (32h) hall effect
338/32S338 electrical resistors/(13) resistance value responsive to a condition (32r) magnetic field or compass (e.g., hall effect type) (32s) superconductors
338/33338 electrical resistors/(13) resistance value responsive to a condition (33) float actuator
338/34338 electrical resistors/(13) resistance value responsive to a condition (34) gas, vapor, or moisture absorbing or collecting
338/35338 electrical resistors/(13) resistance value responsive to a condition (34) gas, vapor, or moisture absorbing or collecting (35) humidity
338/36338 electrical resistors/(13) resistance value responsive to a condition (36) fluid- or gas pressure-actuated
338/37338 electrical resistors/(13) resistance value responsive to a condition (36) fluid- or gas pressure-actuated (37) vehicle tire inflation
338/38338 electrical resistors/(13) resistance value responsive to a condition (36) fluid- or gas pressure-actuated (38) liquid resistance element or contact
338/39338 electrical resistors/(13) resistance value responsive to a condition (36) fluid- or gas pressure-actuated (39) piston
338/40338 electrical resistors/(13) resistance value responsive to a condition (36) fluid- or gas pressure-actuated (40) bourdon tube
338/41338 electrical resistors/(13) resistance value responsive to a condition (36) fluid- or gas pressure-actuated (41) bellows or capsule
338/42338 electrical resistors/(13) resistance value responsive to a condition (36) fluid- or gas pressure-actuated (42) diaphragm
338/43338 electrical resistors/(13) resistance value responsive to a condition (43) gravity stabilized or inertia actuator
338/44338 electrical resistors/(13) resistance value responsive to a condition (43) gravity stabilized or inertia actuator (44) liquid resistance element or contact
338/45338 electrical resistors/(13) resistance value responsive to a condition (43) gravity stabilized or inertia actuator (45) centrifugal
338/46338 electrical resistors/(13) resistance value responsive to a condition (43) gravity stabilized or inertia actuator (46) pendulum
338/47338 electrical resistors/(13) resistance value responsive to a condition (47) force-actuated
338/48338 electrical resistors/(48) plural separate diverse resistors
338/49338 electrical resistors/(49) shunt type
338/50338 electrical resistors/(50) mounted on wheels or vehicle
338/51338 electrical resistors/(51) with heat dissipating projections (e.g., vanes)
338/52338 electrical resistors/(51) with heat dissipating projections (e.g., vanes) (52) granular, powdered, or transversely stacked resistance element
338/53338 electrical resistors/(53) with cooling gas or liquid circulation
338/54338 electrical resistors/(53) with cooling gas or liquid circulation (54) element granular, powdered, or stacked between terminals
338/55338 electrical resistors/(53) with cooling gas or liquid circulation (55) with cooling liquid circulation
338/56338 electrical resistors/(53) with cooling gas or liquid circulation (55) with cooling liquid circulation (56) liquid resistance element circulates
338/57338 electrical resistors/(53) with cooling gas or liquid circulation (57) vented or ventilating casing or housing
338/58338 electrical resistors/(53) with cooling gas or liquid circulation (58) ventilated helical or zigzag element
338/59338 electrical resistors/(59) with heat-storing
338/60338 electrical resistors/(60) with capacity-reducing
338/61338 electrical resistors/(61) with inductance-reducing
338/62338 electrical resistors/(61) with inductance-reducing (62) helical or wound element
338/63338 electrical resistors/(61) with inductance-reducing (62) helical or wound element (63) bifilar
338/64338 electrical resistors/(64) with electrical shield
338/65338 electrical resistors/(64) with electrical shield (65) mechanically variable resistor
338/66338 electrical resistors/(66) ignition interference suppressor type
338/67338 electrical resistors/(67) with diverse nonelectrical device (e.g., mechanical or chemical)
338/68338 electrical resistors/(68) mechanically variable (e.g., rheostat)
338/69338 electrical resistors/(68) mechanically variable (e.g., rheostat) (69) musical instrument playing key actuated
338/70338 electrical resistors/(68) mechanically variable (e.g., rheostat) (70) in or on lamp socket
338/71338 electrical resistors/(68) mechanically variable (e.g., rheostat) (70) in or on lamp socket (71) resistor surfaces pressed together (e.g., compressible type)
338/72338 electrical resistors/(68) mechanically variable (e.g., rheostat) (70) in or on lamp socket (72) resistor with intervening connector between contact and element (e.g., taps)
338/73338 electrical resistors/(68) mechanically variable (e.g., rheostat) (70) in or on lamp socket (73) resistor with contact angularly slidable on element
338/74338 electrical resistors/(68) mechanically variable (e.g., rheostat) (70) in or on lamp socket (74) resistor with contact rectilinearly slidable on element
338/75338 electrical resistors/(68) mechanically variable (e.g., rheostat) (75) with resistor cleaner
338/76338 electrical resistors/(68) mechanically variable (e.g., rheostat) (76) interchangeable resistors of different resistance value
338/77338 electrical resistors/(68) mechanically variable (e.g., rheostat) (77) plug boxes
338/78338 electrical resistors/(68) mechanically variable (e.g., rheostat) (78) with current reversing (e.g., reversing rheostat)
338/79338 electrical resistors/(68) mechanically variable (e.g., rheostat) (79) with element winding and/or unwinding
338/80338 electrical resistors/(68) mechanically variable (e.g., rheostat) (80) liquid resistance element
338/81338 electrical resistors/(68) mechanically variable (e.g., rheostat) (80) liquid resistance element (81) electrode separable from liquid element for switching
338/82338 electrical resistors/(68) mechanically variable (e.g., rheostat) (80) liquid resistance element (82) adjustable insulating barrier between electrodes
338/83338 electrical resistors/(68) mechanically variable (e.g., rheostat) (80) liquid resistance element (83) variable electrode separation
338/84338 electrical resistors/(68) mechanically variable (e.g., rheostat) (80) liquid resistance element (83) variable electrode separation (84) plural ganged electrodes
338/85338 electrical resistors/(68) mechanically variable (e.g., rheostat) (80) liquid resistance element (83) variable electrode separation (85) electrode rotatable
338/86338 electrical resistors/(68) mechanically variable (e.g., rheostat) (80) liquid resistance element (86) level of liquid element adjustable on electrodes (e.g., electrodes move up and down in element)
338/87338 electrical resistors/(68) mechanically variable (e.g., rheostat) (87) contact adjustably inserted into resistance element (e.g., penetrating type)
338/88338 electrical resistors/(68) mechanically variable (e.g., rheostat) (87) contact adjustably inserted into resistance element (e.g., penetrating type) (88) powdered element
338/89338 electrical resistors/(68) mechanically variable (e.g., rheostat) (89) mathematical function (e.g., sine-cosine potentiometer)
338/90338 electrical resistors/(68) mechanically variable (e.g., rheostat) (89) mathematical function (e.g., sine-cosine potentiometer) (90) with slab or card-type resistance element
338/91338 electrical resistors/(68) mechanically variable (e.g., rheostat) (89) mathematical function (e.g., sine-cosine potentiometer) (91) with mechanical converter
338/92338 electrical resistors/(68) mechanically variable (e.g., rheostat) (92) resistance element adjustably short-circuited
338/93338 electrical resistors/(68) mechanically variable (e.g., rheostat) (92) resistance element adjustably short-circuited (93) compressible spring type
338/94338 electrical resistors/(68) mechanically variable (e.g., rheostat) (92) resistance element adjustably short-circuited (94) liquid contact
338/95338 electrical resistors/(68) mechanically variable (e.g., rheostat) (92) resistance element adjustably short-circuited (95) with intervening structure between element and short-circuiting means (e.g., taps)
338/96338 electrical resistors/(68) mechanically variable (e.g., rheostat) (92) resistance element adjustably short-circuited (96) spring contact strip progressively pressed along element
338/97338 electrical resistors/(68) mechanically variable (e.g., rheostat) (92) resistance element adjustably short-circuited (97) unitary movable contact electrically bridges resistance portions
338/98338 electrical resistors/(68) mechanically variable (e.g., rheostat) (98) with motion or vibration damping means (e.g., dashpots)
338/99338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type)
338/100338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (100) granular
338/101338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type
338/102338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (102) with contactor moving along pile
338/103338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (103) with electromagnetic operator (e.g., electric motor)
338/104338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (103) with electromagnetic operator (e.g., electric motor) (104) force applied at both ends of pile
338/105338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (103) with electromagnetic operator (e.g., electric motor) (105) with diaphragm-type biasing spring
338/106338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (103) with electromagnetic operator (e.g., electric motor) (106) with initial pressure adjustment
338/107338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (107) with electromagnetic holder
338/108338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (108) pedal- or treadle-operated
338/109338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (109) with initial pressure adjustment
338/110338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (110) with switch actuated by resistor actuator
338/111338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (111) with intervening conducting structure
338/112338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (112) contact surface area of piles variable
338/113338 electrical resistors/(68) mechanically variable (e.g., rheostat) (99) surfaces pressed together (e.g., compressible type) (101) pile type (113) with resilient pressure-applying linkage
338/114338 electrical resistors/(68) mechanically variable (e.g., rheostat) (114) deformable
338/115338 electrical resistors/(68) mechanically variable (e.g., rheostat) (115) element in piled or stacked layers
338/116338 electrical resistors/(68) mechanically variable (e.g., rheostat) (116) with electromagnetic operator (e.g., electric motor)
338/117338 electrical resistors/(68) mechanically variable (e.g., rheostat) (117) slidable coextensive helical and linear contacts
338/118338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element
338/119338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (119) with contact position indicating lamp
338/120338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (120) additional resistor adjustably shunts part of resistance element (e.g., varifunction type
338/121338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (121) with nonlinearity correction
338/122338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (122) coarse and fine resistance elements
338/123338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (122) coarse and fine resistance elements (123) plural elements and plural contacts
338/124338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (122) coarse and fine resistance elements (123) plural elements and plural contacts (124) contacts interlinked (e.g., lost motion type)
338/125338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (125) unitary movable contact electrically bridges plural resistance elements
338/126338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (125) unitary movable contact electrically bridges plural resistance elements (126) elements or taps in parallel
338/127338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (125) unitary movable contact electrically bridges plural resistance elements (127) contact rotates between circularly arranged elements or taps
338/128338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural
338/129338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural (129) sequentially operated
338/130338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural (130) ganged
338/131338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural (130) ganged (131) resistors individually adjustable
338/132338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural (130) ganged (132) resistors in tandem along rotary shaft or coupling
338/133338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural (130) ganged (133) rectilinearly operated
338/134338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (128) plural (134) individually operated concentric shaft type
338/135338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (135) with zero setting or phasing
338/136338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (136) contact clamped on resistance element
338/137338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (137) plural contacts adjustable over single resistance element
338/138338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (138) element tapered
338/139338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (138) element tapered (139) portion of element shorted
338/140338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (138) element tapered (140) with intervening connector between contact and element (e.g., taps)
338/141338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (138) element tapered (141) helical or wound
338/142338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (138) element tapered (142) element forms a coating
338/143338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (143) contact moves along turns of helical resistance element
338/144338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (143) contact moves along turns of helical resistance element (144) contact lifts element from core
338/145338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (143) contact moves along turns of helical resistance element (145) helical resistance element moves
338/146338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (143) contact moves along turns of helical resistance element (146) with helical collector parallel to helical element
338/147338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (143) contact moves along turns of helical resistance element (147) resistor formed as a flat spiral
338/148338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (143) contact moves along turns of helical resistance element (148) with helical screw for moving the contact
338/149338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (143) contact moves along turns of helical resistance element (149) with contact stop
338/150338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (150) resistance element moves
338/151338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (150) resistance element moves (151) with liquid contact
338/152338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (150) resistance element moves (152) with knob mounting or enclosing the element
338/153338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (153) contact operated by pedal or treadle
338/154338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (154) with a flexible conductive strip separating the movable contact and the resistance element or taps
338/155338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (155) contact rocks along element or taps
338/156338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (156) with liquid contact
338/157338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (157) contact rolls along element or taps
338/158338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (157) contact rolls along element or taps (158) contact rolls rectilinearly
338/159338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (159) with heat conducting or distributing path
338/160338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element
338/161338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (161) with element casing open over contact track
338/162338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable
338/163338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (163) with knob forming casing or covering
338/164338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (164) hermetically sealed housing
338/165338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (165) with elongated rectilinear resistance element
338/166338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (166) with removable actuating shaft or key
338/167338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (167) spring-loaded contact
338/168338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (168) with flexible lead-in to contact
338/169338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (169) contact pressure adjustable
338/170338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (170) with contact biasing spring on contact arm or carrier
338/171338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (171) with plural contact portions
338/172338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (172) with switching
338/173338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (172) with switching (173) contact separable from resistance element
338/174338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (174) with collector ring
338/175338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (162) contact angularly slidable (174) with collector ring (175) ring, a shaft-bearing
338/176338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable
338/177338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable (177) contact surrounds resistor
338/178338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable (178) contact separable from element for switching
338/179338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable (179) with series switch
338/180338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable (180) screw-operated
338/181338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable (180) screw-operated (181) screw, a fine-adjustment
338/182338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable (182) with contact lock
338/183338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (160) contact slides along in contact with element (176) contact rectilinearly slidable (183) with collector bar
338/184338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (184) with housing
338/185338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps)
338/186338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (186) connector formed as severed helical turns or as comb teeth
338/187338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (187) with arc suppressor
338/188338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (188) with collector bar or ring
338/189338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (189) with magnetic holder for controller arm
338/190338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (190) angularly movable contact
338/191338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (190) angularly movable contact (191) with switch
338/192338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (190) angularly movable contact (192) resistance element enclosed
338/193338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (190) angularly movable contact (192) resistance element enclosed (193) enclosure formed on and hardened on element
338/194338 electrical resistors/(68) mechanically variable (e.g., rheostat) (118) movable contact electrically adjustable over length of resistance element (185) with intervening connector between contact and element (e.g., taps) (194) rectilinearly movable contact
338/195338 electrical resistors/(68) mechanically variable (e.g., rheostat) (195) resistance value varied by removing or adding material
338/196338 electrical resistors/(68) mechanically variable (e.g., rheostat) (196) with resistor actuator position indicator
338/197338 electrical resistors/(68) mechanically variable (e.g., rheostat) (197) with support
338/198338 electrical resistors/(68) mechanically variable (e.g., rheostat) (198) with switch actuated by resistor actuator
338/199338 electrical resistors/(68) mechanically variable (e.g., rheostat) (199) with housing
338/200338 electrical resistors/(68) mechanically variable (e.g., rheostat) (200) with switch
338/201338 electrical resistors/(68) mechanically variable (e.g., rheostat) (200) with switch (201) switch connects plural elements in parallel
338/202338 electrical resistors/(202) movable contact structure
338/203338 electrical resistors/(203) readily severable into independent resistors
338/204338 electrical resistors/(204) element in layers piled or stacked between terminals
338/205338 electrical resistors/(204) element in layers piled or stacked between terminals (205) with intervening conducting layer
338/206338 electrical resistors/(206) expanded metal type
338/207338 electrical resistors/(207) element and base permanently folded or rolled
338/208338 electrical resistors/(208) mesh, woven, or braided resistance element
338/209338 electrical resistors/(209) extensible
338/210338 electrical resistors/(210) flexible or folding
338/211338 electrical resistors/(210) flexible or folding (211) element coated on flexible base
338/212338 electrical resistors/(210) flexible or folding (212) tape or sheet
338/213338 electrical resistors/(210) flexible or folding (213) beaded
338/214338 electrical resistors/(210) flexible or folding (214) cable type
338/215338 electrical resistors/(215) with switch
338/216338 electrical resistors/(216) in coaxial transmission line or wave guide
338/217338 electrical resistors/(217) tapered element
338/218338 electrical resistors/(217) tapered element (218) helical or wound
338/219338 electrical resistors/(219) in or on lamp socket or base
338/220338 electrical resistors/(220) in detachable electrical connector
338/221338 electrical resistors/(221) detachable plug-type resistor unit
338/222338 electrical resistors/(222) with liquid element
338/223338 electrical resistors/(223) granular or powdered element
338/224338 electrical resistors/(223) granular or powdered element (224) granular or powdered mixtures
338/225338 electrical resistors/(223) granular or powdered element (225) carbon particles
338/226338 electrical resistors/(226) incased, embedded, or housed
338/227338 electrical resistors/(226) incased, embedded, or housed (227) with resistance value indicator
338/228338 electrical resistors/(226) incased, embedded, or housed (228) casing extends through plate
338/229338 electrical resistors/(226) incased, embedded, or housed (229) probe type
338/230338 electrical resistors/(226) incased, embedded, or housed (230) metal casing or housing cast around element
338/231338 electrical resistors/(226) incased, embedded, or housed (231) in liquid
338/232338 electrical resistors/(226) incased, embedded, or housed (232) casing or housing readily openable and/or separable from element
338/233338 electrical resistors/(226) incased, embedded, or housed (232) casing or housing readily openable and/or separable from element (233) elongated casing or housing with plug, disc, or cap at end
338/234338 electrical resistors/(226) incased, embedded, or housed (234) with gaseous or vacuum spacing between element and casing or housing
338/235338 electrical resistors/(226) incased, embedded, or housed (234) with gaseous or vacuum spacing between element and casing or housing (235) plural elements or resistors
338/236338 electrical resistors/(226) incased, embedded, or housed (234) with gaseous or vacuum spacing between element and casing or housing (236) spacing of uniform thickness over length of element
338/237338 electrical resistors/(226) incased, embedded, or housed (234) with gaseous or vacuum spacing between element and casing or housing (236) spacing of uniform thickness over length of element (237) hermetically sealed
338/238338 electrical resistors/(226) incased, embedded, or housed (238) element inpowdered insulation with outer metallic sheath
338/239338 electrical resistors/(226) incased, embedded, or housed (238) element inpowdered insulation with outer metallic sheath (239) plural elements or resistors
338/240338 electrical resistors/(226) incased, embedded, or housed (238) element inpowdered insulation with outer metallic sheath (240) terminals or leads adjacent
338/241338 electrical resistors/(226) incased, embedded, or housed (238) element inpowdered insulation with outer metallic sheath (240) terminals or leads adjacent (241) sheath only outside looped element
338/242338 electrical resistors/(226) incased, embedded, or housed (238) element inpowdered insulation with outer metallic sheath (242) shape of sheath
338/243338 electrical resistors/(226) incased, embedded, or housed (243) element in insulation with outer metallic sheath
338/244338 electrical resistors/(226) incased, embedded, or housed (243) element in insulation with outer metallic sheath (244) insulation coated on conducting liner
338/245338 electrical resistors/(226) incased, embedded, or housed (243) element in insulation with outer metallic sheath (245) entire insulation or sheath formed as a coating
338/246338 electrical resistors/(226) incased, embedded, or housed (243) element in insulation with outer metallic sheath (246) with insulation and sheath external and internal to element
338/247338 electrical resistors/(226) incased, embedded, or housed (243) element in insulation with outer metallic sheath (247) plural part sheath
Next Page

Back to the Class List