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Class Information
Number: 429
Name: Chemistry: electrical current producing apparatus, product, and process >
Description: This class is the generic class for devices which produce an electrical current by means of a chemical reaction or change in physical state (e.g., from liquid to gas, etc.). Also included are the following subject matter not provided for elsewhere.










Class Number Class Name No. of Patents
429/121

Adjuncts in combination with or for connection to an external electrical electric current carrying member of a battery other than terminal protectors, e.g., terminal adapter, caps, lifters, etc. and connectors per se

325
429/96

Cell support for removable cell

537
429/99

For plural cells

711
429/98

Having disparate support structure, e.g., eyeglass temple, etc.

220
429/97

Having switch or interlock means

507
429/100

Support or holder per se

911
429/122

Current producing cell, elements, subcombinations and compositions for use therewith and adjuncts

402
 

Current producing cell, elements, subcombinations and compositions for use therewith and adjuncts

 
429/163

Cell enclosure structure, e.g., housing, casing, container, cover, etc.

1096
429/176

Container only

593
429/175

Cover only

472
429/164

Cylindrical unit cell type, e.g., cup container electrode, tubular electrode, casing, etc.

447
429/165

Having centrally located anode, i.e., "inside-out" type cell

80
429/174

Having seal material

386
429/166

Reactive metallic can, cup or tubular electrode

77
429/167

Having outer nonreactive housing, casing, or jacket

104
429/170

Electrical contact terminal plate or cap clamped to or embedded in a portion of the housing

139
429/168

Having metallic or conductive outer casing

61
429/169

Outer casing electrically connected to reactive electrode

49
429/171

Having seal

146
429/172

Mechanical clamping pressure seal

75
429/173

And sealing mass or compound

40
429/186

Having cell assembly support feature

189
429/187

Having handle or lifting device

72
429/185

Having seal feature

769
429/178

Having terminal

647
429/181

And terminal seal

388
429/183

Having threaded compression means

50
429/182

Means to stop rotational movement between cover and terminal

56
429/184

Sealing mass or compound

100
429/179

On or through a side of housing

241
429/180

Sealing sleeve embedded or molded in cover

142
429/177

Housing or casing with plural covers

218
429/126

Cell with protective layer on electrolyte

65
429/128

Electrode or plural tablets, pellets or discs

158
429/208

Electrode support for suspending or holding an electrode in a battery

109
429/209

Electrode

779
 

Electrode

 
429/210

Bipolar type

288
429/218.1

Chemically specified inorganic electrochemically active material containing

1329
429/231.4

Alkalated carbon, graphite, or carbonaceous component is active material

290
429/231.1

Alkalated transition metal chalcogenide component is active material

895
429/231.3

Alkalated cobalt (co) chalcogenide

607
429/231.2

Alkalated vanadium (v) chalcogenide

221
429/231.9

Alkali metal component is active material

298
429/231.95

The alkali metal is lithium

1623
429/231.6

Alkaline earth metal or magnesium (mg) component is active material

352
429/222

Cadmium component is active material

146
429/231.8

Carbon, graphite, or carbonaceous component is active material

934
429/220

Copper component is active material

373
429/231.7

Halogenated carbon, graphite, or carbonaceous component is active material

120
429/218.2

Hydrogen storage material is active material

312
429/221

Iron component is active material

662
429/225

Lead component is active material

374
429/226

Alloy

89
429/228

Lead oxide

169
429/227

Metal sulphate or carbonate

41
429/224

Manganese component is active material

1322
429/223

Nickel component is active material

1385
429/219

Silver component is active material

315
429/231.5

Vanadium (v), chromium (cr), niobium (nb), molybdenum (mo), titanium (ti), or tungsten (w) component is active material

774
429/229

Zinc component

574
429/230

With mercury

41
429/231

Zinc oxide

92
429/233

Grid or holder for active material

555
429/234

Grid or holder has nonconducting component portion thereof

187
429/239

Having conductive receptacle or mechanical locking means for the active material

33
429/240

Locking means being bendable tabs

6
429/238

Having longitudinal electrically conducting tubes or cores

68
429/235

Having particulate or fibrous porous mass including a sintered mass

169
429/236

Having coating in the pores

102
429/237

Having support or reinforcing member

50
429/245

Materials chemically specified

574
429/241

Open mesh or perforated plate

218
429/242

Expanded metal

110
429/243

Having members in a face plane of the grid being offset from members in the plane of the opposite face

54
429/244

Distinct elements or members intermediate the face members

38
429/212

Having active material with organic component

451
429/217

Organic component is a binder

619
429/213

Organic component is active material

493
429/214

Organic component is an antioxidant

20
429/215

Organic component is an expander or addition agent for improving electrode capacity or plating characteristics

135
429/216

Dendrite or "tree" forming inhibitor

47
429/211

Having connector tab

449
429/232

Having inorganic binder or conductive filler

583
429/246

With insulating separator, spacer or retainer means

259
429/162

Flat-type unit cell and specific unit cell components

627
429/123

Having means to interchangeably connect plural individual cells or means to conectively support cell to current seeking apparatus

298
429/188

Include electrolyte chemically specified and method

471
 

Include electrolyte chemically specified and method

 
429/206

Alkaline

481
429/207

With salt or acid component

102
429/344

Chemically specified inorganic solvent other than water

66
429/345

Sulfur or phosphorus in the inorganic solvent

126
429/346

Sulfur dioxide containing inorganic solvent

53
429/324

Chemically specified organic solvent containing

352
429/325

And chemically specified inorganic solvent

64
429/336

Hetero ring in the organic solvent

126
429/337

Oxygen is the only ring hetero atom in the hetero ring (e.g., dioxolane, gamma butyrolactone, etc.)

255
429/338

The hetero ring is a cyclic carbonate (e.g., ethylene carbonate, propylene carbonate, etc.)

369
429/339

Nitrogen containing organic solvent compound (e.g., acetonitrile, etc.)

200
429/341

Oxygen containing organic solvent compound

269
429/342

Acyclic carbonate solvent

147
429/343

Acyclic carboxylic acid ester solvent

67
429/326

Plural organic solvents (i.e., solvent mixture)

373
429/327

One of the organic solvents contains a hetero ring

64
429/328

Nitrogen is ring member of the hetero ring

115
429/329

Oxygen is ring member of the hetero ring

160
429/334

And acyclic oxygen or nitrogen containing solvent compound

52
429/335

The acyclic oxygen containing solvent compound is an acyclic ether

54
429/330

The hetero ring is a cyclic carbonate

357
429/332

And acyclic carbonate or acyclic carboxylic acid ester solvent

336
429/333

And acyclic ether solvent

131
429/331

Plural cyclic carbonate solvents

203
429/340

Sulfur containing organic solvent compound

212
429/202

Chromium containing

13
429/199

Halogen containing

619
429/200

Hydrogen containing

160
429/201

Ammonium

56
429/347

Organic solute component in aqueous electrolyte

96
429/189

Precursor composition

100
429/204

Sulphuric acid

149
429/205

Sulphate containing

38
429/300

The electrolyte is gelled

174
429/301

Carbohydrate or derivative containing (e.g., starch, cellulose, etc.)

20
429/303

Organic polymer containing

301
429/302

Silicon containing

67
429/304

The electrolyte is solid

355
429/321

Alkali metal containing component

127
429/322

The alkali metal is lithium

324
429/323

Lithium and halogen containing compound

156
429/319

Aluminum containing component (e.g., lialcl4, etc.)

62
429/320

The component is alumina (i.e., aluminum oxide)

158
429/306

Organic component containing

288
429/308

Carbohydrate or derivative

13
429/307

Chemically specified organic solute

272
429/316

Halogen containing polymer

161
429/310

Hetero ring containing polymer

93
429/311

Oxygen is a ring member of the hetero ring

51
429/312

The hetero ring is three membered

110
429/317

Oxygen containing polymer

349
429/313

Silicon containing polymer

92
429/314

Sulfur, nitrogen, or phosphorus containing polymer

299
429/315

Nitrogen and phosphorus in the polymer

49
429/309

Two or more polymers (i.e., polymer mixture)

215
429/318

Silver containing component

19
429/305

Temperature range of electrolyte operation or electrolyte processing is specified

53
429/203

With acid containing n or p constituent

63
429/161

Intracell assembly having cell electrode connector

420
429/149

Plural cells

310
429/151

Casing having interlocking structure

121
429/156

Complete cells

149
429/158

Having intercell connector

272
429/159

And common external casing, tray or clamp means

345
429/157

In end-to-end contact, e.g., stacked button-type cell, etc.

133
429/160

Having intercell connector

347
429/152

Individual cells connected in repeating contiguous layered units

262
429/153

Having unit enclosing housing

211
429/154

Having sectional component

76
429/155

Of tray, cup or dish shape in nested or telescopic relationship

26
429/150

With integral switch means

40
429/148

Plural housing having spacing means or channels for air circulation and short prevention

149
429/124

Printed cell type

68
429/129

Separator, retainer or spacer insulating structure (other than a single porous flat sheet, or either an impregnated or coated sheet not having distinct layers)

437
429/131

Having electrode enclosing feature

131
429/133

Cylindrical unit cell type, flat unit cell type or porous cup type

117
429/134

Paste or gel

28
429/135

With layer of material or spacing means

44
429/136

Envelope type

99
429/137

Coating on electrode

121
429/139

Having edge bond or seal

78
429/138

Having support frame or cover

40
429/132

Separating material in bulk form about electrode

24
429/140

Tubular type

69
429/141

Having plural layers of diverse material

40
429/146

Having electrode spacing projections

53
429/147

Projections are deformed portions, of a sheet material, i.e., corrugations, etc.

53
429/142

Having plural distinct components

186
429/144

Plural layers

328
429/145

Having defined porosity either functional or by size (i.e., semipermeable, permselective, ionpermeable, microporous, etc.)

193
429/143

Ribs or projections attached to sheet material

77
429/130

Insulator structure is only spacer of the rod, button, strip, or frame type

124
429/247

Separator, retainer, spacer or materials for use therewith

441
429/248

Having additive for effecting the charge capacity, life, etc., of a cell

126
429/249

Organic material

344
429/251

And inorganic material

206
429/252

Silicon containing

140
429/250

And wetting agent or surface acting agent

100
429/255

Natural or treated plant materials

31
429/253

Phenolic or thermosetting resin

66
429/254

Rubber or thermoplastic resin

282
429/125

Standard cell or counter emf type

8
429/127

Tape or flexible-type cell including tape fuel cells or subcombination thereof

217
429/11

Current production dependent upon temperature differential between a pair of electrodes

37
429/110

Deferred action type

48
429/118

Responsive to addition of liquid

80
429/119

Activated by immersion, e.g., sea water type

77
429/112

Responsive to heat

220
429/111

Responsive to light

326
429/113

Responsive to movement of electrode on contained electrolyte

33
429/115

Activated by explosive charge

15
429/114

Activated by spin or set back

19
429/117

By orientation of the cell

14
429/116

Frangible separation means

65
429/101

Fluid active material or two-fluid electrolyte combination having areas of nonmixture

529
429/102

Active material in molten state

59
429/103

With fused electrolyte, i.e., molten

175
429/104

With solid-state electrolyte

401
429/105

Active material in solution

318
429/109

Chromium containing material

23
429/106

Copper sulfate solution

8
429/107

Iron containing material

27
429/108

Nitrogen containing material

14
429/12

Fuel cell, subcombination thereof or methods of operating

751
429/27

Active material electrode-type cell or subcombination thereof

532
429/29

And chemically specified electrolyte material

108
429/28

Envelope cathode-type or subcombination thereof

38
429/22

Automatic control means

662
429/23

Electrical output dependent

421
429/25

Pressure dependent

340
429/24

Temperature dependent

445
429/40

Catalytic electrode structure or composition

967
429/44

Having an inorganic matrix, substrate or support

871
429/45

Of sintered particles

152
429/41

Having electrolyte matrix or barrier layer

491
429/42

Having organic constituent as part of the electrode

608
429/43

Organic catalyst

105
429/46

Chemically specified electrolyte

281
429/26

Having heat exchange means

1077
429/19

Having means for active material generation or regeneration

774
429/21

By electrical current

172
429/20

By heating or cooling

542
429/34

Housing member, seal, spacer or fluid distributing or directing means

1959
429/35

Having sealing feature

539
429/36

Having bonded seal, e.g., welded, adhesive, molded in situ, etc.

310
429/37

Having clamping means

157
429/38

Having support or spacers with fluid distribution means

1065
429/39

And fluid directing means

825
429/18

Plural cells having means to reduce ionic short circuit

80
429/13

Process of operating

1163
429/14

Circulating or feeding electrolyte

111
429/15

Active material in electrolyte

124
429/16

Fused or molten electrolyte

146
429/17

Generating, regenerating or recycling reactant

1018
429/30

Solid electrolyte

1198
429/33

Electrolyte composition chemically specified

939
429/32

Plural disc or modules

564
429/31

Tubular

236
429/8

Having disparate nonelectrical function

49
429/9

Having diverse cells or diverse removable cells in a support means

259
429/47

Having earth feature

10
429/2

Having living matter, e.g., microorganism, etc.

75
429/10

Having magnetic field feature

61
429/95

Having means for draining or removing electrolyte from a cell other than filler opening

28
429/66

Having means to accommodate electrode expansion

163
429/67

Having movable mechanical means to provide relative motion between electrode and electrolyte

47
429/68

Means moves electrode

51
429/69

Rotary motion

20
429/70

Means moves electrolyte externally of electrode chamber

96
429/1

Having polarity safety feature

127
429/3

Having pulse feature

28
429/72

Having specified venting, feeding or circulation structure (other than feeding or filling for activating deferred action-type battery)

341
429/80

Having (manual) electrolyte storage feeding a device

47
429/74

Having means to control electrolyte level when liquid is added, other than a visual reference point

25
429/77

By establishing an air lock

5
429/78

Liquid seal only

12
429/79

Movable valve structure supported within the filler opening

9
429/76

Float valve

18
429/75

For different levels

2
429/81

Having nonmovable means providing motion between electrolyte and electrodes, i.e., circulation

84
429/73

Single filling opening and means to equalize fluid level in plural cells

19
429/82

Venting structure

326
429/87

Gang type

58
429/88

Having manifold

66
429/84

Nonspill fluent electrolyte type other than gas diffusive type

36
429/85

Weight actuated valve type

6
429/89

Other stopper, cap or plug type

120
429/86

Reactive, absorbable or diffusive type

102
429/83

Separate ventilating inlet and exhaust openings

63
429/53

Means externally releasing internal gas pressure from closed cell, i.e., valve etc.

365
429/56

Blowout type

283
429/54

Elastic, resilient or spring biasing valve means

165
429/55

Elastic band or o-ring valve member

36
429/94

Plural concentric or single coiled electrode

676
429/48

Preserving cell in storage feature

105
429/50

Process of cell operation

356
429/52

Activation of inactive cell

87
429/51

Electrolyte circulation

116
429/5

Radio active material containing

37
429/49

Regenerating, salvage or repair feature other than only addition of electrolyte to cell or electrically charging per se

211
429/57

Sealed cell having gas prevention or elimation means

247
429/58

Prevention means controlling an auxiliary device

36
429/59

Prevention or elimination means is one of the cell electrodes or is electrically connected to an electrode

261
429/60

Electrodes having different total capacity or one electrode with charge or discharge reserve

90
429/65

Terminal protector other than seal through casing

139
429/61

With control means responsive to battery condition sensing means

424
429/63

Electrolyte feeding control from reserve supply

40
429/64

Having valve in control

55
429/62

Temperature control

413
429/120

With heat exchange feature

678
429/90

With measuring, testing, or indicating means

359
429/91

For charge or liquid level

170
429/92

Having electrical circuitry

140
429/93

External type

143
429/7

With nonbattery electrical component electrically connected within cell casing other than testing or indicating components

464
429/6

With pressure equalizing means for liquid immersion operation

15
429/4

With sonic or ultrasonic feature

21
429/71

With system having means to move ventilating fluid

95
 
 
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