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Class   320ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING
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 [List of Pre Grant Publications for class 320 subclass 100][List of Patents for class 320 subclass 100]100 PRIMARY CELL DEPOLARIZATION
[List of Pre Grant Publications for class 320 subclass 101][List of Patents for class 320 subclass 101]101 WIND, SOLAR, THERMAL, OR FUEL-CELL SOURCE
 [List of Pre Grant Publications for class 320 subclass 102][List of Patents for class 320 subclass 102]102 Subclass 102 indent level is 1 With shuntless charging source control
[List of Pre Grant Publications for class 320 subclass 103][List of Patents for class 320 subclass 103]103 ONE CELL OR BATTERY CHARGES ANOTHER
[List of Pre Grant Publications for class 320 subclass 104][List of Patents for class 320 subclass 104]104 Subclass 104 indent level is 1 Vehicle battery charging
 [List of Pre Grant Publications for class 320 subclass 105][List of Patents for class 320 subclass 105]105 Subclass 105 indent level is 2 Employing "jumper" cable
 [List of Pre Grant Publications for class 320 subclass 106][List of Patents for class 320 subclass 106]106 MEANS TO IDENTIFY CELL OR BATTERY TYPE
[List of Pre Grant Publications for class 320 subclass 107][List of Patents for class 320 subclass 107]107 CELL OR BATTERY CHARGER STRUCTURE
 [List of Pre Grant Publications for class 320 subclass 108][List of Patents for class 320 subclass 108]108 Subclass 108 indent level is 1 Charger inductively coupled to cell or battery
 [List of Pre Grant Publications for class 320 subclass 109][List of Patents for class 320 subclass 109]109 Subclass 109 indent level is 1 Charging station for electrically powered vehicle
 [List of Pre Grant Publications for class 320 subclass 110][List of Patents for class 320 subclass 110]110 Subclass 110 indent level is 1 For diverse sizes of cells, batteries, or battery packs
 [List of Pre Grant Publications for class 320 subclass 111][List of Patents for class 320 subclass 111]111 Subclass 111 indent level is 1 Having plug for A-C receptacle
[List of Pre Grant Publications for class 320 subclass 112][List of Patents for class 320 subclass 112]112 Subclass 112 indent level is 1 For battery pack
 [List of Pre Grant Publications for class 320 subclass 113][List of Patents for class 320 subclass 113]113 Subclass 113 indent level is 2 With charger stand or base adapted to hold battery pack
[List of Pre Grant Publications for class 320 subclass 114][List of Patents for class 320 subclass 114]114 Subclass 114 indent level is 1 For handheld device
 [List of Pre Grant Publications for class 320 subclass 115][List of Patents for class 320 subclass 115]115 Subclass 115 indent level is 2 With charger stand or base
[List of Pre Grant Publications for class 320 subclass 116][List of Patents for class 320 subclass 116]116 SERIALLY CONNECTED BATTERIES OR CELLS
 [List of Pre Grant Publications for class 320 subclass 117][List of Patents for class 320 subclass 117]117 Subclass 117 indent level is 1 Switchable to parallel connection
 [List of Pre Grant Publications for class 320 subclass 118][List of Patents for class 320 subclass 118]118 Subclass 118 indent level is 1 With discharge of cells or batteries
 [List of Pre Grant Publications for class 320 subclass 119][List of Patents for class 320 subclass 119]119 Subclass 119 indent level is 1 With individual charging of plural batteries or cells
[List of Pre Grant Publications for class 320 subclass 120][List of Patents for class 320 subclass 120]120 Subclass 120 indent level is 1 Having variable number of cells or batteries in series
 [List of Pre Grant Publications for class 320 subclass 121][List of Patents for class 320 subclass 121]121 Subclass 121 indent level is 2 Switchable cells (e.g., for voltage regulation, etc.)
 [List of Pre Grant Publications for class 320 subclass 122][List of Patents for class 320 subclass 122]122 Subclass 122 indent level is 2 Bypassable battery cell
 [List of Pre Grant Publications for class 320 subclass 123][List of Patents for class 320 subclass 123]123 Subclass 123 indent level is 1 With generator charging source
 [List of Pre Grant Publications for class 320 subclass 124][List of Patents for class 320 subclass 124]124 SEQUENTIAL CHARGING OR DISCHARGING OF BATTERIES OR CELLS
 [List of Pre Grant Publications for class 320 subclass 125][List of Patents for class 320 subclass 125]125 DIVERSE CHARGING OR DISCHARGING RATES FOR PLURAL BATTERIES
 [List of Pre Grant Publications for class 320 subclass 126][List of Patents for class 320 subclass 126]126 PARALLEL CONNECTED BATTERIES
[List of Pre Grant Publications for class 320 subclass 127][List of Patents for class 320 subclass 127]127 BATTERY OR CELL DISCHARGING
[List of Pre Grant Publications for class 320 subclass 128][List of Patents for class 320 subclass 128]128 Subclass 128 indent level is 1 With charging
 [List of Pre Grant Publications for class 320 subclass 129][List of Patents for class 320 subclass 129]129 Subclass 129 indent level is 2 Pulsed discharge
[List of Pre Grant Publications for class 320 subclass 130][List of Patents for class 320 subclass 130]130 Subclass 130 indent level is 2 Cycling (e.g., discharge/charge cycle, etc.)
 [List of Pre Grant Publications for class 320 subclass 134][List of Patents for class 320 subclass 134]134 Subclass 134 indent level is 2 With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.)
[List of Pre Grant Publications for class 320 subclass 135][List of Patents for class 320 subclass 135]135 Subclass 135 indent level is 1 Regulated discharging
 [List of Pre Grant Publications for class 320 subclass 136][List of Patents for class 320 subclass 136]136 Subclass 136 indent level is 2 With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.)
[List of Pre Grant Publications for class 320 subclass 137][List of Patents for class 320 subclass 137]137 BATTERY OR CELL CHARGING
 [List of Pre Grant Publications for class 320 subclass 138][List of Patents for class 320 subclass 138]138 Subclass 138 indent level is 1 Plural charging sources
[List of Pre Grant Publications for class 320 subclass 139][List of Patents for class 320 subclass 139]139 Subclass 139 indent level is 1 Pulsed
 [List of Pre Grant Publications for class 320 subclass 140][List of Patents for class 320 subclass 140]140 Subclass 140 indent level is 2 With DC-DC converter (e.g., flyback supply, etc.)
[List of Pre Grant Publications for class 320 subclass 141][List of Patents for class 320 subclass 141]141 Subclass 141 indent level is 2 Pulse modulation
 [List of Pre Grant Publications for class 320 subclass 146][List of Patents for class 320 subclass 146]146 Subclass 146 indent level is 2 Hysteresis type (e.g., antichattering, etc.)
 [List of Pre Grant Publications for class 320 subclass 147][List of Patents for class 320 subclass 147]147 Subclass 147 indent level is 1 Gas controlled
 [List of Pre Grant Publications for class 320 subclass 148][List of Patents for class 320 subclass 148]148 Subclass 148 indent level is 1 With peak detection of current or voltage (e.g., delta-V or delta-I utilized, etc.)
 [List of Pre Grant Publications for class 320 subclass 149][List of Patents for class 320 subclass 149]149 Subclass 149 indent level is 1 With detection of current or voltage integral (e.g., total charge, etc.)
[List of Pre Grant Publications for class 320 subclass 150][List of Patents for class 320 subclass 150]150 Subclass 150 indent level is 1 With thermal condition detection
 [List of Pre Grant Publications for class 320 subclass 151][List of Patents for class 320 subclass 151]151 Subclass 151 indent level is 2 Detection of current or voltage differential (e.g., slope, etc.)
[List of Pre Grant Publications for class 320 subclass 152][List of Patents for class 320 subclass 152]152 Subclass 152 indent level is 2 Detection of current or voltage amplitude
 [List of Pre Grant Publications for class 320 subclass 154][List of Patents for class 320 subclass 154]154 Subclass 154 indent level is 2 Thermal switch (e.g., thermostat, bimetallic switch, etc.)
[List of Pre Grant Publications for class 320 subclass 155][List of Patents for class 320 subclass 155]155 Subclass 155 indent level is 1 Time control
 [List of Pre Grant Publications for class 320 subclass 156][List of Patents for class 320 subclass 156]156 Subclass 156 indent level is 2 Detection of current or voltage differential (e.g., slope, etc.)
[List of Pre Grant Publications for class 320 subclass 157][List of Patents for class 320 subclass 157]157 Subclass 157 indent level is 2 Detection of current or voltage amplitude
 [List of Pre Grant Publications for class 320 subclass 160][List of Patents for class 320 subclass 160]160 Subclass 160 indent level is 1 Multi-rate charging (e.g., plural charge rates before a maintenance charge, etc.)
 [List of Pre Grant Publications for class 320 subclass 161][List of Patents for class 320 subclass 161]161 Subclass 161 indent level is 1 With detection of current or voltage differential (e.g., slope, etc.)
[List of Pre Grant Publications for class 320 subclass 162][List of Patents for class 320 subclass 162]162 Subclass 162 indent level is 1 With detection of current or voltage amplitude
[List of Pre Grant Publications for class 320 subclass 163][List of Patents for class 320 subclass 163]163 Subclass 163 indent level is 2 Having solid-state control device
 [List of Pre Grant Publications for class 320 subclass 165][List of Patents for class 320 subclass 165]165 Subclass 165 indent level is 1 With current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.)
[List of Pre Grant Publications for class 320 subclass 166][List of Patents for class 320 subclass 166]166 CAPACITOR CHARGING OR DISCHARGING
 [List of Pre Grant Publications for class 320 subclass 167][List of Patents for class 320 subclass 167]167 Subclass 167 indent level is 1 For large capacitance (e.g., "super" capacitor, memory backup capacitor, etc.)
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
      FOR100          CONDENSER CHARGING AND/OR DISCHARGING (320/1)
  FOR101          BATTERY CHARGING AND/OR DISCHARGING (320/2)
  FOR102          Subclass FOR102 indent level is 1 Including dry cells or primary batteries (320/3)
      FOR103          Subclass FOR103 indent level is 2 "Recharging", depolarizing and/or reconditioning (320/4)
  FOR104          Subclass FOR104 indent level is 1 Combined charging and discharging (320/5)
  FOR105          Subclass FOR105 indent level is 2 Plural, diversely treated batteries (320/6)
      FOR108          Subclass FOR108 indent level is 2 Combined regulation of charging source or circuit and discharging circuit (320/9)
  FOR109          Subclass FOR109 indent level is 2 Charging source and/or circuit controlled by discharging circuit (320/10)
      FOR112          Subclass FOR112 indent level is 2 Discharging circuit regulation (320/13)
      FOR113          Subclass FOR113 indent level is 2 Alternately charging and discharging (320/14)
  FOR114          Subclass FOR114 indent level is 1 Plural, diversely treated, batteries (320/15)
      FOR115          Subclass FOR115 indent level is 2 Series-parallel connections thereof (320/16)
  FOR116          Subclass FOR116 indent level is 2 Series-connected batteries (320/17)
      FOR117          Subclass FOR117 indent level is 3 Variable number in series (320/18)
      FOR118          Subclass FOR118 indent level is 2 Periodic or intermittent charging or discharging (320/19)
      FOR119          Subclass FOR119 indent level is 1 High-rate, short-time charging systems (320/20)
      FOR120          Subclass FOR120 indent level is 1 Periodic or intermittent charging or discharging (320/21)
  FOR121          Subclass FOR121 indent level is 1 Plural rates of charging or discharging (320/22)
  FOR122          Subclass FOR122 indent level is 2 Decreasing rates of charging (320/23)
      FOR123          Subclass FOR123 indent level is 3 Three or more rates (320/24)
  FOR124          Subclass FOR124 indent level is 1 With polarity control (320/25)
      FOR125          Subclass FOR125 indent level is 2 By means of reversing switches (320/26)
  FOR126          Subclass FOR126 indent level is 1 Combined control of source and charging circuit (320/27)
      FOR127          Subclass FOR127 indent level is 2 Including charging circuit-making and/or breaking (320/28)
      FOR128          Subclass FOR128 indent level is 1 Combined circuit regulation and circuit-making and/or breaking (320/29)
  FOR129          Subclass FOR129 indent level is 1 Control responsive to predetermined conditions (320/30)
  FOR130          Subclass FOR130 indent level is 2 Plural, diverse conditions and/or with time-delay means (320/31)
  FOR134          Subclass FOR134 indent level is 2 Thermal condition (320/35)
  FOR136          Subclass FOR136 indent level is 2 Instant of, or period of time (320/37)
  FOR138          Subclass FOR138 indent level is 2 Voltage or current magnitude (320/39)
  FOR140          Subclass FOR140 indent level is 2 Speed or centrifugal forces (320/41)
  FOR142          Subclass FOR142 indent level is 2 Condition of battery charge (320/43)
      FOR146          Subclass FOR146 indent level is 2 For battery circuit-making and/or breaking (320/47)
      FOR147          Subclass FOR147 indent level is 1 With indicating, signaling and/or testing means (320/48)
  FOR148          Subclass FOR148 indent level is 1 Battery circuit control (320/49)
      FOR149          Subclass FOR149 indent level is 2 With bucking and/or boosting e.m.f. in charging circuit (320/50)
  FOR150          Subclass FOR150 indent level is 2 By impedance in charging or discharging circuit (320/51)
      FOR152          Subclass FOR152 indent level is 2 Unidirectionally conductive devices in battery circuit (320/53)
  FOR153          Subclass FOR153 indent level is 2 Battery circuit-making and/or breaking (320/54)
      FOR155          Subclass FOR155 indent level is 1 Plural, diverse or diversely treated sources of supply for charging (320/56)
  FOR156          Subclass FOR156 indent level is 1 Rectifying systems for battery charging (320/57)
      FOR157          Subclass FOR157 indent level is 2 Dynamoelectric-type rectifier (320/58)
  FOR158          Subclass FOR158 indent level is 2 Unidirectionally conductive-type rectifier (320/59)
      FOR159          Subclass FOR159 indent level is 3 Space-discharge devices (320/60)
  FOR160          Subclass FOR160 indent level is 1 Generation systems for battery charging (320/61)
  FOR161          Subclass FOR161 indent level is 2 Physical starting and/or stopping of generator (320/62)
  FOR163          Subclass FOR163 indent level is 2 Generator field-winding circuit control (320/64)
      FOR170          Subclass FOR170 indent level is 2 Armature or generating circuit shorted or grounded (320/71)
      FOR171          Subclass FOR171 indent level is 2 Generator structure control (320/72)
 
DIGESTS
 
 [List of Pre Grant Publications for class 320 subclass DIG10][List of Patents for class 320 subclass DIG10] DIG10 NONBATTERY LOAD CONTROLS CHARGING
 [List of Pre Grant Publications for class 320 subclass DIG11][List of Patents for class 320 subclass DIG11] DIG11 PRIORITIZED SUPPLY OF POWER OR POWER SUPPLY COMPENSATION
 [List of Pre Grant Publications for class 320 subclass DIG12][List of Patents for class 320 subclass DIG12] DIG12 PRECHARGING ANALYSIS (E.G., DETERMINING PRESENCE OF BATTERY, ETC.)
 [List of Pre Grant Publications for class 320 subclass DIG13][List of Patents for class 320 subclass DIG13] DIG13 FAULT DETECTION
 [List of Pre Grant Publications for class 320 subclass DIG14][List of Patents for class 320 subclass DIG14] DIG14 BATTERY ACTS AS BUFFER
 [List of Pre Grant Publications for class 320 subclass DIG15][List of Patents for class 320 subclass DIG15] DIG15 POLARITY CONTROL
 [List of Pre Grant Publications for class 320 subclass DIG16][List of Patents for class 320 subclass DIG16] DIG16 REMOVAL OF MEMORY EFFECT IN BATTERIES
 [List of Pre Grant Publications for class 320 subclass DIG17][List of Patents for class 320 subclass DIG17] DIG17 SENSING OF "GASSING" VOLTAGE
[List of Pre Grant Publications for class 320 subclass DIG18][List of Patents for class 320 subclass DIG18] DIG18 INDICATOR OR DISPLAY
 [List of Pre Grant Publications for class 320 subclass DIG19][List of Patents for class 320 subclass DIG19] DIG19 Subclass DIG19 indent level is 1 Charger status (e.g., voltmeter, etc.)
 [List of Pre Grant Publications for class 320 subclass DIG20][List of Patents for class 320 subclass DIG20] DIG20 Subclass DIG20 indent level is 1 Polarity
 [List of Pre Grant Publications for class 320 subclass DIG21][List of Patents for class 320 subclass DIG21] DIG21 Subclass DIG21 indent level is 1 State of charge of battery
[List of Pre Grant Publications for class 320 subclass DIG22][List of Patents for class 320 subclass DIG22] DIG22 LINE IMPEDANCE (E.G., RESISTOR, ETC.)
 [List of Pre Grant Publications for class 320 subclass DIG23][List of Patents for class 320 subclass DIG23] DIG23 Subclass DIG23 indent level is 1 Capacitor
 [List of Pre Grant Publications for class 320 subclass DIG24][List of Patents for class 320 subclass DIG24] DIG24 Subclass DIG24 indent level is 1 Inductor
 [List of Pre Grant Publications for class 320 subclass DIG25][List of Patents for class 320 subclass DIG25] DIG25 OPTICAL COUPLER
 [List of Pre Grant Publications for class 320 subclass DIG26][List of Patents for class 320 subclass DIG26] DIG26 BUTTON OR HEARING AID TYPE
 [List of Pre Grant Publications for class 320 subclass DIG27][List of Patents for class 320 subclass DIG27] DIG27 TRANSFORMERLESS
 [List of Pre Grant Publications for class 320 subclass DIG28][List of Patents for class 320 subclass DIG28] DIG28 REGULATING TRANSFORMER (E.G., HIGH LEAKAGE, FERRO-RESONANT, ETC.)
 [List of Pre Grant Publications for class 320 subclass DIG29][List of Patents for class 320 subclass DIG29] DIG29 TRANSFORMER HAVING PLURAL SECONDARIES
 [List of Pre Grant Publications for class 320 subclass DIG30][List of Patents for class 320 subclass DIG30] DIG30 PLURAL TRANSFORMERS
 [List of Pre Grant Publications for class 320 subclass DIG31][List of Patents for class 320 subclass DIG31] DIG31 PLURAL RECTIFIER SYSTEMS
 [List of Pre Grant Publications for class 320 subclass DIG32][List of Patents for class 320 subclass DIG32] DIG32 VOLTAGE DIVIDER HAVING DIVERSE ELEMENTS OTHER THAN MERELY PLURAL RESISTORS
 [List of Pre Grant Publications for class 320 subclass DIG33][List of Patents for class 320 subclass DIG33] DIG33 AIRCRAFT OR SPACECRAFT APPLICATION
 [List of Pre Grant Publications for class 320 subclass DIG34][List of Patents for class 320 subclass DIG34] DIG34 ROBOT, HYBRID, RECREATIONAL OR EMERGENCY VEHICLE
 [List of Pre Grant Publications for class 320 subclass DIG35][List of Patents for class 320 subclass DIG35] DIG35 HOME POWER STATION
 [List of Pre Grant Publications for class 320 subclass DIG36][List of Patents for class 320 subclass DIG36] DIG36 DISTRIBUTION SYSTEM (E.G., RAILROAD LIGHTING, ETC.)

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