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[Search a list of Patent Appplications for class 429]  Class   429CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS
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    [List of Patents for class 429 subclass 1]  1           HAVING POLARITY SAFETY FEATURE
    [List of Patents for class 429 subclass 2]  2           HAVING LIVING MATTER, E.G., MICROORGANISM, ETC.
    [List of Patents for class 429 subclass 3]  3           HAVING PULSE FEATURE
    [List of Patents for class 429 subclass 4]  4           WITH SONIC OR ULTRASONIC FEATURE
    [List of Patents for class 429 subclass 5]  5           RADIO ACTIVE MATERIAL CONTAINING
    [List of Patents for class 429 subclass 6]  6           WITH PRESSURE EQUALIZING MEANS FOR LIQUID IMMERSION OPERATION
    [List of Patents for class 429 subclass 7]  7           WITH NONBATTERY ELECTRICAL COMPONENT ELECTRICALLY CONNECTED WITHIN CELL CASING OTHER THAN TESTING OR INDICATING COMPONENTS
    [List of Patents for class 429 subclass 8]  8           HAVING DISPARATE NONELECTRICAL FUNCTION
    [List of Patents for class 429 subclass 9]  9           HAVING DIVERSE CELLS OR DIVERSE REMOVABLE CELLS IN A SUPPORT MEANS
    [List of Patents for class 429 subclass 10]  10           HAVING MAGNETIC FIELD FEATURE
    [List of Patents for class 429 subclass 11]  11           CURRENT PRODUCTION DEPENDENT UPON TEMPERATURE DIFFERENTIAL BETWEEN A PAIR OF ELECTRODES
   [List of Patents for class 429 subclass 12]  12           FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING
   [List of Patents for class 429 subclass 13]  13           Subclass 13 indent level is 1 Process of operating
   [List of Patents for class 429 subclass 14]  14           Subclass 14 indent level is 2 Circulating or feeding electrolyte
    [List of Patents for class 429 subclass 15]  15           Subclass 15 indent level is 3 Active material in electrolyte
    [List of Patents for class 429 subclass 16]  16           Subclass 16 indent level is 2 Fused or molten electrolyte
    [List of Patents for class 429 subclass 17]  17           Subclass 17 indent level is 2 Generating, regenerating or recycling reactant
    [List of Patents for class 429 subclass 18]  18           Subclass 18 indent level is 1 Plural cells having means to reduce ionic short circuit
   [List of Patents for class 429 subclass 19]  19           Subclass 19 indent level is 1 Having means for active material generation or regeneration
    [List of Patents for class 429 subclass 20]  20           Subclass 20 indent level is 2 By heating or cooling
    [List of Patents for class 429 subclass 21]  21           Subclass 21 indent level is 2 By electrical current
   [List of Patents for class 429 subclass 22]  22           Subclass 22 indent level is 1 Automatic control means
    [List of Patents for class 429 subclass 23]  23           Subclass 23 indent level is 2 Electrical output dependent
    [List of Patents for class 429 subclass 24]  24           Subclass 24 indent level is 2 Temperature dependent
    [List of Patents for class 429 subclass 25]  25           Subclass 25 indent level is 2 Pressure dependent
    [List of Patents for class 429 subclass 26]  26           Subclass 26 indent level is 1 Having heat exchange means
   [List of Patents for class 429 subclass 27]  27           Subclass 27 indent level is 1 Active material electrode-type cell or subcombination thereof
    [List of Patents for class 429 subclass 28]  28           Subclass 28 indent level is 2 Envelope cathode-type or subcombination thereof
    [List of Patents for class 429 subclass 29]  29           Subclass 29 indent level is 2 And chemically specified electrolyte material
   [List of Patents for class 429 subclass 30]  30           Subclass 30 indent level is 1 Solid electrolyte
    [List of Patents for class 429 subclass 31]  31           Subclass 31 indent level is 2 Tubular
    [List of Patents for class 429 subclass 32]  32           Subclass 32 indent level is 2 Plural disc or modules
    [List of Patents for class 429 subclass 33]  33           Subclass 33 indent level is 2 Electrolyte composition chemically specified
   [List of Patents for class 429 subclass 34]  34           Subclass 34 indent level is 1 Housing member, seal, spacer or fluid distributing or directing means
   [List of Patents for class 429 subclass 35]  35           Subclass 35 indent level is 2 Having sealing feature
   [List of Patents for class 429 subclass 40]  40           Subclass 40 indent level is 1 Catalytic electrode structure or composition
    [List of Patents for class 429 subclass 41]  41           Subclass 41 indent level is 2 Having electrolyte matrix or barrier layer
   [List of Patents for class 429 subclass 42]  42           Subclass 42 indent level is 2 Having organic constituent as part of the electrode
    [List of Patents for class 429 subclass 43]  43           Subclass 43 indent level is 3 Organic catalyst
   [List of Patents for class 429 subclass 44]  44           Subclass 44 indent level is 2 Having an inorganic matrix, substrate or support
    [List of Patents for class 429 subclass 45]  45           Subclass 45 indent level is 3 Of sintered particles
    [List of Patents for class 429 subclass 46]  46           Subclass 46 indent level is 1 Chemically specified electrolyte
    [List of Patents for class 429 subclass 47]  47           HAVING EARTH FEATURE
    [List of Patents for class 429 subclass 48]  48           PRESERVING CELL IN STORAGE FEATURE
    [List of Patents for class 429 subclass 49]  49           REGENERATING, SALVAGE OR REPAIR FEATURE OTHER THAN ONLY ADDITION OF ELECTROLYTE TO CELL OR ELECTRICALLY CHARGING PER SE
   [List of Patents for class 429 subclass 50]  50           PROCESS OF CELL OPERATION
    [List of Patents for class 429 subclass 51]  51           Subclass 51 indent level is 1 Electrolyte circulation
    [List of Patents for class 429 subclass 52]  52           Subclass 52 indent level is 1 Activation of inactive cell
   [List of Patents for class 429 subclass 53]  53           MEANS EXTERNALLY RELEASING INTERNAL GAS PRESSURE FROM CLOSED CELL, I.E., VALVE ETC.
   [List of Patents for class 429 subclass 54]  54           Subclass 54 indent level is 1 Elastic, resilient or spring biasing valve means
    [List of Patents for class 429 subclass 55]  55           Subclass 55 indent level is 2 Elastic band or O-ring valve member
    [List of Patents for class 429 subclass 56]  56           Subclass 56 indent level is 1 Blowout type
   [List of Patents for class 429 subclass 57]  57           SEALED CELL HAVING GAS PREVENTION OR ELIMATION MEANS
    [List of Patents for class 429 subclass 58]  58           Subclass 58 indent level is 1 Prevention means controlling an auxiliary device
   [List of Patents for class 429 subclass 59]  59           Subclass 59 indent level is 1 Prevention or elimination means is one of the cell electrodes or is electrically connected to an electrode
    [List of Patents for class 429 subclass 60]  60           Subclass 60 indent level is 2 Electrodes having different total capacity or one electrode with charge or discharge reserve
   [List of Patents for class 429 subclass 61]  61           WITH CONTROL MEANS RESPONSIVE TO BATTERY CONDITION SENSING MEANS
    [List of Patents for class 429 subclass 62]  62           Subclass 62 indent level is 1 Temperature control
   [List of Patents for class 429 subclass 63]  63           Subclass 63 indent level is 1 Electrolyte feeding control from reserve supply
    [List of Patents for class 429 subclass 64]  64           Subclass 64 indent level is 2 Having valve in control
    [List of Patents for class 429 subclass 65]  65           TERMINAL PROTECTOR OTHER THAN SEAL THROUGH CASING
    [List of Patents for class 429 subclass 66]  66           HAVING MEANS TO ACCOMMODATE ELECTRODE EXPANSION
   [List of Patents for class 429 subclass 67]  67           HAVING MOVABLE MECHANICAL MEANS TO PROVIDE RELATIVE MOTION BETWEEN ELECTRODE AND ELECTROLYTE
   [List of Patents for class 429 subclass 68]  68           Subclass 68 indent level is 1 Means moves electrode
    [List of Patents for class 429 subclass 69]  69           Subclass 69 indent level is 2 Rotary motion
    [List of Patents for class 429 subclass 70]  70           Subclass 70 indent level is 1 Means moves electrolyte externally of electrode chamber
    [List of Patents for class 429 subclass 71]  71           WITH SYSTEM HAVING MEANS TO MOVE VENTILATING FLUID
   [List of Patents for class 429 subclass 72]  72           HAVING SPECIFIED VENTING, FEEDING OR CIRCULATION STRUCTURE (OTHER THAN FEEDING OR FILLING FOR ACTIVATING DEFERRED ACTION-TYPE BATTERY)
    [List of Patents for class 429 subclass 73]  73           Subclass 73 indent level is 1 Single filling opening and means to equalize fluid level in plural cells
   [List of Patents for class 429 subclass 74]  74           Subclass 74 indent level is 1 Having means to control electrolyte level when liquid is added, other than a visual reference point
    [List of Patents for class 429 subclass 75]  75           Subclass 75 indent level is 2 For different levels
    [List of Patents for class 429 subclass 76]  76           Subclass 76 indent level is 2 Float valve
   [List of Patents for class 429 subclass 77]  77           Subclass 77 indent level is 2 By establishing an air lock
    [List of Patents for class 429 subclass 80]  80           Subclass 80 indent level is 1 Having (manual) electrolyte storage feeding a device
    [List of Patents for class 429 subclass 81]  81           Subclass 81 indent level is 1 Having nonmovable means providing motion between electrolyte and electrodes, i.e., circulation
   [List of Patents for class 429 subclass 82]  82           Subclass 82 indent level is 1 Venting structure
    [List of Patents for class 429 subclass 83]  83           Subclass 83 indent level is 2 Separate ventilating inlet and exhaust openings
   [List of Patents for class 429 subclass 84]  84           Subclass 84 indent level is 2 Nonspill fluent electrolyte type other than gas diffusive type
    [List of Patents for class 429 subclass 85]  85           Subclass 85 indent level is 3 Weight actuated valve type
    [List of Patents for class 429 subclass 86]  86           Subclass 86 indent level is 2 Reactive, absorbable or diffusive type
   [List of Patents for class 429 subclass 87]  87           Subclass 87 indent level is 2 Gang type
    [List of Patents for class 429 subclass 88]  88           Subclass 88 indent level is 3 Having manifold
    [List of Patents for class 429 subclass 89]  89           Subclass 89 indent level is 2 Other stopper, cap or plug type
   [List of Patents for class 429 subclass 90]  90           WITH MEASURING, TESTING, OR INDICATING MEANS
   [List of Patents for class 429 subclass 91]  91           Subclass 91 indent level is 1 For charge or liquid level
   [List of Patents for class 429 subclass 92]  92           Subclass 92 indent level is 2 Having electrical circuitry
    [List of Patents for class 429 subclass 93]  93           Subclass 93 indent level is 3 External type
    [List of Patents for class 429 subclass 94]  94           PLURAL CONCENTRIC OR SINGLE COILED ELECTRODE
    [List of Patents for class 429 subclass 95]  95           HAVING MEANS FOR DRAINING OR REMOVING ELECTROLYTE FROM A CELL OTHER THAN FILLER OPENING
   [List of Patents for class 429 subclass 96]  96           CELL SUPPORT FOR REMOVABLE CELL
    [List of Patents for class 429 subclass 97]  97           Subclass 97 indent level is 1 Having switch or interlock means
    [List of Patents for class 429 subclass 98]  98           Subclass 98 indent level is 1 Having disparate support structure, e.g., eyeglass temple, etc.
    [List of Patents for class 429 subclass 99]  99           Subclass 99 indent level is 1 For plural cells
    [List of Patents for class 429 subclass 100]  100           Subclass 100 indent level is 1 Support or holder per se
   [List of Patents for class 429 subclass 101]  101           FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION HAVING AREAS OF NONMIXTURE
   [List of Patents for class 429 subclass 102]  102           Subclass 102 indent level is 1 Active material in molten state
    [List of Patents for class 429 subclass 103]  103           Subclass 103 indent level is 2 With fused electrolyte, i.e., molten
    [List of Patents for class 429 subclass 104]  104           Subclass 104 indent level is 2 With solid-state electrolyte
   [List of Patents for class 429 subclass 105]  105           Subclass 105 indent level is 1 Active material in solution
    [List of Patents for class 429 subclass 106]  106           Subclass 106 indent level is 2 Copper sulfate solution
    [List of Patents for class 429 subclass 107]  107           Subclass 107 indent level is 2 Iron containing material
    [List of Patents for class 429 subclass 108]  108           Subclass 108 indent level is 2 Nitrogen containing material
    [List of Patents for class 429 subclass 109]  109           Subclass 109 indent level is 2 Chromium containing material
   [List of Patents for class 429 subclass 110]  110           DEFERRED ACTION TYPE
    [List of Patents for class 429 subclass 111]  111           Subclass 111 indent level is 1 Responsive to light
    [List of Patents for class 429 subclass 112]  112           Subclass 112 indent level is 1 Responsive to heat