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[Search a list of Patent Appplications for class 320]  Class   320ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING
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    [List of Patents for class 320 subclass 100]  100           PRIMARY CELL DEPOLARIZATION
   [List of Patents for class 320 subclass 101]  101           WIND, SOLAR, THERMAL, OR FUEL-CELL SOURCE
    [List of Patents for class 320 subclass 102]  102           Subclass 102 indent level is 1 With shuntless charging source control
   [List of Patents for class 320 subclass 103]  103           ONE CELL OR BATTERY CHARGES ANOTHER
   [List of Patents for class 320 subclass 104]  104           Subclass 104 indent level is 1 Vehicle battery charging
    [List of Patents for class 320 subclass 105]  105           Subclass 105 indent level is 2 Employing "jumper" cable
    [List of Patents for class 320 subclass 106]  106           MEANS TO IDENTIFY CELL OR BATTERY TYPE
   [List of Patents for class 320 subclass 107]  107           CELL OR BATTERY CHARGER STRUCTURE
    [List of Patents for class 320 subclass 108]  108           Subclass 108 indent level is 1 Charger inductively coupled to cell or battery
    [List of Patents for class 320 subclass 109]  109           Subclass 109 indent level is 1 Charging station for electrically powered vehicle
    [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 Patents for class 320 subclass 111]  111           Subclass 111 indent level is 1 Having plug for A-C receptacle
   [List of Patents for class 320 subclass 112]  112           Subclass 112 indent level is 1 For battery pack
    [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 Patents for class 320 subclass 114]  114           Subclass 114 indent level is 1 For handheld device
    [List of Patents for class 320 subclass 115]  115           Subclass 115 indent level is 2 With charger stand or base
   [List of Patents for class 320 subclass 116]  116           SERIALLY CONNECTED BATTERIES OR CELLS
    [List of Patents for class 320 subclass 117]  117           Subclass 117 indent level is 1 Switchable to parallel connection
    [List of Patents for class 320 subclass 118]  118           Subclass 118 indent level is 1 With discharge of cells or batteries
    [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 Patents for class 320 subclass 120]  120           Subclass 120 indent level is 1 Having variable number of cells or batteries in series
    [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 Patents for class 320 subclass 122]  122           Subclass 122 indent level is 2 Bypassable battery cell
    [List of Patents for class 320 subclass 123]  123           Subclass 123 indent level is 1 With generator charging source
    [List of Patents for class 320 subclass 124]  124           SEQUENTIAL CHARGING OR DISCHARGING OF BATTERIES OR CELLS
    [List of Patents for class 320 subclass 125]  125           DIVERSE CHARGING OR DISCHARGING RATES FOR PLURAL BATTERIES
    [List of Patents for class 320 subclass 126]  126           PARALLEL CONNECTED BATTERIES
   [List of Patents for class 320 subclass 127]  127           BATTERY OR CELL DISCHARGING
   [List of Patents for class 320 subclass 128]  128           Subclass 128 indent level is 1 With charging
    [List of Patents for class 320 subclass 129]  129           Subclass 129 indent level is 2 Pulsed discharge
   [List of Patents for class 320 subclass 130]  130           Subclass 130 indent level is 2 Cycling (e.g., discharge/charge cycle, etc.)
    [List of Patents for class 320 subclass 131]  131           Subclass 131 indent level is 3 Deep discharge (e.g., conditioning, etc.)
    [List of Patents for class 320 subclass 132]  132           Subclass 132 indent level is 3 With state-of-charge detection
    [List of Patents for class 320 subclass 133]  133           Subclass 133 indent level is 3 Time control
    [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 Patents for class 320 subclass 135]  135           Subclass 135 indent level is 1 Regulated discharging
    [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 Patents for class 320 subclass 137]  137           BATTERY OR CELL CHARGING
    [List of Patents for class 320 subclass 138]  138           Subclass 138 indent level is 1 Plural charging sources
   [List of Patents for class 320 subclass 139]  139           Subclass 139 indent level is 1 Pulsed
    [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 Patents for class 320 subclass 141]  141           Subclass 141 indent level is 2 Pulse modulation
   [List of Patents for class 320 subclass 142]  142           Subclass 142 indent level is 3 Phase controlled
   [List of Patents for class 320 subclass 143]  143           Subclass 143 indent level is 4 With voltage compensation
    [List of Patents for class 320 subclass 144]  144           Subclass 144 indent level is 5 And temperature compensation
    [List of Patents for class 320 subclass 145]  145           Subclass 145 indent level is 3 Pulse-width modulation
    [List of Patents for class 320 subclass 146]  146           Subclass 146 indent level is 2 Hysteresis type (e.g., antichattering, etc.)
    [List of Patents for class 320 subclass 147]  147           Subclass 147 indent level is 1 Gas controlled
    [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 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 Patents for class 320 subclass 150]  150           Subclass 150 indent level is 1 With thermal condition detection
    [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 Patents for class 320 subclass 152]  152           Subclass 152 indent level is 2 Detection of current or voltage amplitude
    [List of Patents for class 320 subclass 153]  153           Subclass 153 indent level is 3 Temperature compensation
    [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 Patents for class 320 subclass 155]  155           Subclass 155 indent level is 1 Time control
    [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 Patents for class 320 subclass 157]  157           Subclass 157 indent level is 2 Detection of current or voltage amplitude
    [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 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 Patents for class 320 subclass 162]  162           Subclass 162 indent level is 1 With detection of current or voltage amplitude
   [List of Patents for class 320 subclass 163]  163           Subclass 163 indent level is 2 Having solid-state control device
    [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 Patents for class 320 subclass 166]  166           CAPACITOR CHARGING OR DISCHARGING
    [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)
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