USPC Patent Classifications

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Class 320 electricity: battery or capacitor charging or discharging
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320/100320 electricity: battery or capacitor charging or discharging/(100) primary cell depolarization
320/101320 electricity: battery or capacitor charging or discharging/(101) wind, solar, thermal, or fuel-cell source
320/102320 electricity: battery or capacitor charging or discharging/(101) wind, solar, thermal, or fuel-cell source (102) with shuntless charging source control
320/103320 electricity: battery or capacitor charging or discharging/(103) one cell or battery charges another
320/104320 electricity: battery or capacitor charging or discharging/(103) one cell or battery charges another (104) vehicle battery charging
320/105320 electricity: battery or capacitor charging or discharging/(103) one cell or battery charges another (104) vehicle battery charging (105) employing "jumper" cable
320/106320 electricity: battery or capacitor charging or discharging/(106) means to identify cell or battery type
320/107320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure
320/108320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (108) charger inductively coupled to cell or battery
320/109320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (109) charging station for electrically powered vehicle
320/110320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (110) for diverse sizes of cells, batteries, or battery packs
320/111320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (111) having plug for a-c receptacle
320/112320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (112) for battery pack
320/113320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (112) for battery pack (113) with charger stand or base adapted to hold battery pack
320/114320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (114) for handheld device
320/115320 electricity: battery or capacitor charging or discharging/(107) cell or battery charger structure (114) for handheld device (115) with charger stand or base
320/116320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells
320/117320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells (117) switchable to parallel connection
320/118320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells (118) with discharge of cells or batteries
320/119320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells (119) with individual charging of plural batteries or cells
320/120320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells (120) having variable number of cells or batteries in series
320/121320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells (120) having variable number of cells or batteries in series (121) switchable cells (e.g., for voltage regulation, etc.)
320/122320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells (120) having variable number of cells or batteries in series (122) bypassable battery cell
320/123320 electricity: battery or capacitor charging or discharging/(116) serially connected batteries or cells (123) with generator charging source
320/124320 electricity: battery or capacitor charging or discharging/(124) sequential charging or discharging of batteries or cells
320/125320 electricity: battery or capacitor charging or discharging/(125) diverse charging or discharging rates for plural batteries
320/126320 electricity: battery or capacitor charging or discharging/(126) parallel connected batteries
320/127320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging
320/128320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (128) with charging
320/129320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (128) with charging (129) pulsed discharge
320/130320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (128) with charging (130) cycling (e.g., discharge/charge cycle, etc.)
320/131320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (128) with charging (130) cycling (e.g., discharge/charge cycle, etc.) (131) deep discharge (e.g., conditioning, etc.)
320/132320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (128) with charging (130) cycling (e.g., discharge/charge cycle, etc.) (132) with state-of-charge detection
320/133320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (128) with charging (130) cycling (e.g., discharge/charge cycle, etc.) (133) time control
320/134320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (128) with charging (134) with battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.)
320/135320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (135) regulated discharging
320/136320 electricity: battery or capacitor charging or discharging/(127) battery or cell discharging (135) regulated discharging (136) with battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.)
320/137320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging
320/138320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (138) plural charging sources
320/139320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed
320/140320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed (140) with dc-dc converter (e.g., flyback supply, etc.)
320/141320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed (141) pulse modulation
320/142320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed (141) pulse modulation (142) phase controlled
320/143320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed (141) pulse modulation (142) phase controlled (143) with voltage compensation
320/144320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed (141) pulse modulation (142) phase controlled (143) with voltage compensation (144) and temperature compensation
320/145320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed (141) pulse modulation (145) pulse-width modulation
320/146320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (139) pulsed (146) hysteresis type (e.g., antichattering, etc.)
320/147320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (147) gas controlled
320/148320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (148) with peak detection of current or voltage (e.g., delta-v or delta-i utilized, etc.)
320/149320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (149) with detection of current or voltage integral (e.g., total charge, etc.)
320/150320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (150) with thermal condition detection
320/151320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (150) with thermal condition detection (151) detection of current or voltage differential (e.g., slope, etc.)
320/152320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (150) with thermal condition detection (152) detection of current or voltage amplitude
320/153320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (150) with thermal condition detection (152) detection of current or voltage amplitude (153) temperature compensation
320/154320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (150) with thermal condition detection (154) thermal switch (e.g., thermostat, bimetallic switch, etc.)
320/155320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (155) time control
320/156320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (155) time control (156) detection of current or voltage differential (e.g., slope, etc.)
320/157320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (155) time control (157) detection of current or voltage amplitude
320/158320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (155) time control (157) detection of current or voltage amplitude (158) having solid-state control device
320/159320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (155) time control (157) detection of current or voltage amplitude (158) having solid-state control device (159) detection of current and voltage amplitude
320/160320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (160) multi-rate charging (e.g., plural charge rates before a maintenance charge, etc.)
320/161320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (161) with detection of current or voltage differential (e.g., slope, etc.)
320/162320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (162) with detection of current or voltage amplitude
320/163320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (162) with detection of current or voltage amplitude (163) having solid-state control device
320/164320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (162) with detection of current or voltage amplitude (163) having solid-state control device (164) detection of current and voltage amplitude
320/165320 electricity: battery or capacitor charging or discharging/(137) battery or cell charging (165) with current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.)
320/166320 electricity: battery or capacitor charging or discharging/(166) capacitor charging or discharging
320/167320 electricity: battery or capacitor charging or discharging/(166) capacitor charging or discharging (167) for large capacitance (e.g., "super" capacitor, memory backup capacitor, etc.)

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