What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 429
Class Title: CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT,
AND PROCESS
Subclass Subclass
Number Title
1 HAVING POLARITY SAFETY FEATURE
2 HAVING LIVING MATTER, E.G., MICROORGANISM, ETC.
3 HAVING PULSE FEATURE
4 WITH SONIC OR ULTRASONIC FEATURE
5 RADIO ACTIVE MATERIAL CONTAINING
6 WITH PRESSURE EQUALIZING MEANS FOR LIQUID IMMERSION OPERATION
7 WITH NONBATTERY ELECTRICAL COMPONENT ELECTRICALLY CONNECTED
WITHIN CELL CASING OTHER THAN TESTING OR INDICATING COMPONENTS
8 HAVING DISPARATE NONELECTRICAL FUNCTION
9 HAVING DIVERSE CELLS OR DIVERSE REMOVABLE CELLS IN A SUPPORT
MEANS
10 HAVING MAGNETIC FIELD FEATURE
11 CURRENT PRODUCTION DEPENDENT UPON TEMPERATURE DIFFERENTIAL
BETWEEN A PAIR OF ELECTRODES
12 FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING
13 .Process of operating
14 ..Circulating or feeding electrolyte
15 ...Active material in electrolyte
16 ..Fused or molten electrolyte
17 ..Generating, regenerating or recycling reactant
18 .Plural cells having means to reduce ionic short circuit
19 .Having means for active material generation or regeneration
20 ..By heating or cooling
21 ..By electrical current
22 .Automatic control means
23 ..Electrical output dependent
24 ..Temperature dependent
25 ..Pressure dependent
26 .Having heat exchange means
27 .Active material electrode-type cell or subcombination thereof
28 ..Envelope cathode-type or subcombination thereof
29 ..And chemically specified electrolyte material
30 .Solid electrolyte
31 ..Tubular
32 ..Plural disc or modules
33 ..Electrolyte composition chemically specified
34 .Housing member, seal, spacer or fluid distributing or directing
means
35 ..Having sealing feature
36 ...Having bonded seal, e.g., welded, adhesive, molded in situ,
etc.
37 ....Having clamping means
38 ...Having support or spacers with fluid distribution means
39 ....And fluid directing means
40 .Catalytic electrode structure or composition
41 ..Having electrolyte matrix or barrier layer
42 ..Having organic constituent as part of the electrode
43 ...Organic catalyst
44 ..Having an inorganic matrix, substrate or support
45 ...Of sintered particles
46 .Chemically specified electrolytee
47 HAVING EARTH FEATURE
48 PRESERVING CELL IN STORAGE FEATURE
49 REGENERATING, SALVAGE OR REPAIR FEATURE OTHER THAN ONLY ADDITION
OF ELECTROLYTE TO CELL OR ELECTRICALLY CHARGING PER SE
50 PROCESS OF CELL OPERATION
51 .Electrolyte circulation
52 .Activation of inactive cell
53 MEANS EXTERNALLY RELEASING INTERNAL GAS PRESSURE FROM CLOSED
CELL, I.E., VALVE ETC.
54 .Elastic, resilient or spring biasing valve means
55 ..Elastic band or O-ring valve member
56 .Blowout type
57 SEALED CELL HAVING GAS PREVENTION OR ELIMATION MEANS
58 .Prevention means controlling an auxiliary device
59 .Prevention or elimination means is one of the cell electrodes
or is electrically connected to an electrode
60 ..Electrodes having different total capacity or one electrode
with charge or discharge reserve
61 WITH CONTROL MEANS RESPONSIVE TO BATTERY CONDITION SENSING
MEANS
62 .Temperature control
63 .Electrolyte feeding control from reserve supply
64 ..Having valve in control
65 TERMINAL PROTECTOR OTHER THAN SEAL THROUGH CASING
66 HAVING MEANS TO ACCOMMODATE ELECTRODE EXPANSION
67 HAVING MOVABLE MECHANICAL MEANS TO PROVIDE RELATIVE MOTION
BETWEEN ELECTRODE AND ELECTROLYTE
68 .Means moves electrode
69 ..Rotary motion
70 .Means moves electrolyte externally of electrode chamber
71 WITH SYSTEM HAVING MEANS TO MOVE VENTILATING FLUID
72 HAVING SPECIFIED VENTING, FEEDING OR CIRCULATION STRUCTURE
(OTHER THAN FEEDING OR FILLING FOR ACTIVATING DEFERRED
ACTION-TYPE BATTERY)
73 .Single filling opening and means to equalize fluid level in
plural cells
74 .Having means to control electrolyte level when liquid is added,
other than a visual reference point
75 ..For different levels
76 ..Float valve
77 ..By establishing an air lock
78 ...Liquid seal only
79 ...Movable valve structure supported within the filler opening
80 .Having (manual) electrolyte storage feeding a device
81 .Having nonmovable means providing motion between electrolyte
and electrodes, i.e., circulation
82 .Venting structure
83 ..Separate ventilating inlet and exhaust openings
84 ..Nonspill fluent electrolyte type other than gas diffusive
type
85 ...Weight actuated valve type
86 ..Reactive, absorbable or diffusive type
87 ..Gang type
88 ...Having manifold
89 ..Other stopper, cap or plug type
90 WITH MEASURING, TESTING, OR INDICATING MEANS
91 .For charge or liquid level
92 ..Having electrical circuitryy
93 ...External type
94 PLURAL CONCENTRIC OR SINGLE COILED ELECTRODE
95 HAVING MEANS FOR DRAINING OR REMOVING ELECTROLYTE FROM A CELL
OTHER THAN FILLER OPENING
96 CELL SUPPORT FOR REMOVABLE CELL
97 .Having switch or interlock means
98 .Having disparate support structure, e.g., eyeglass temple,
etc.
99 .For plural cells
100 .Support or holder per se
101 FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION
HAVING AREAS OF NONMIXTURE
102 .Active material in molten state
103 ..With fused electrolyte, i.e., molten
104 ..With solid-state electrolyte
105 .Active material in solution
106 ..Copper sulfate solution
107 ..Iron containing material
108 ..Nitrogen containing material
109 ..Chromium containing material
110 DEFERRED ACTION TYPE
111 .Responsive to light
112 .Responsive to heat
113 .Responsive to movement of electrode on contained electrolyte
114 ..Activated by spin or set back
115 ..Activated by explosive charge
116 ..Frangible separation means
117 ..By orientation of the cell
118 .Responsive to addition of liquid
119 ..Activated by immersion, e.g., sea water type
120 WITH HEAT EXCHANGE FEATURE
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
122 CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND
COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS
123 .Having means to interchangeably connect plural individual cells
or means to conectively support cell to current seeking
apparatus
124 .Printed cell type
125 .Standard cell or counter emf type
126 .Cell with protective layer on electrolyte
127 .Tape or flexible-type cell including tape fuel cells or
subcombination thereof
128 .Electrode or plural tablets, pellets or discs
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)
130 ..Insulator structure is only spacer of the rod, button, strip,
or frame type
131 ..Having electrode enclosing feature
132 ...Separating material in bulk form about electrode
133 ...Cylindrical unit cell type, flat unit cell type or porous cup
type
134 ....Paste or gel
135 .....With layer of material or spacing means
136 ...Envelope typee
137 ....Coating on electrode
138 ....Having support frame or cover
139 ....Having edge bond or seal
140 ...Tubular type
141 ....Having plural layers of diverse material
142 ..Having plural distinct components
143 ...Ribs or projections attached to sheet material
144 ...Plural layers
145 ....Having defined porosity either functional or by size (i.e.,
semipermeable, permselective, ionpermeable, microporous,
etc.)
146 ..Having electrode spacing projections
147 ...Projections are deformed portions, of a sheet material, i.e.,
corrugations, etc.
148 .Plural housing having spacing means or channels for air
circulation and short prevention
149 .Plural cells
150 ..With integral switch means
151 ..Casing having interlocking structure
152 ..Individual cells connected in repeating contiguous layered
units
153 ...Having unit enclosing housing
154 ....Having sectional component
155 .....Of tray, cup or dish shape in nested or telescopic
relationship
156 ..Complete cells
157 ...In end-to-end contact, e.g., stacked button-type cell, etc.
158 ...Having intercell connector
159 ....And common external casing, tray or clamp means
160 ..Having intercell connector
161 .Intracell assembly having cell electrode connector
162 .Flat-type unit cell and specific unit cell components
163 .Cell enclosure structure, e.g., housing, casing, container,
cover, etc.
164 ..Cylindrical unit cell type, e.g., cup container electrode,
tubular electrode, casing, etc.
165 ...Having centrally located anode, i.e., "inside-out" type cell
166 ...Reactive metallic can, cup or tubular electrode
167 ....Having outer nonreactive housing, casing, or jacket
168 .....Having metallic or conductive outer casing
169 ......Outer casing electrically connected to reactive electrode
170 .....Electrical contact terminal plate or cap clamped to or
embedded in a portion of the housing
171 ....Having seal
172 .....Mechanical clamping pressure seal
173 ......And sealing mass or compound
174 ...Having seal material
175 ..Cover only
176 ..Container only
177 ..Housing or casing with plural covers
178 ..Having terminal
179 ...On or through a side of housing
180 ...Sealing sleeve embedded or molded in cover
181 ...And terminal seal
182 ....Means to stop rotational movement between cover and
terminal
183 ....Having threaded compression means
184 ....Sealing mass or compoundd
185 ..Having seal feature
186 ..Having cell assembly support feature
187 ..Having handle or lifting device
188 .Include electrolyte composition chemically specified and
method
189 ..Precursor compostion
190 ..Gelled
191 ..Solid
192 ...Organic
193 ...Metal oxide component
194 ..Nonaqueous solvent
195 ...With water
196 ...Inorganic solvent
197 ...Plural nonaqueous system
198 ..Having organic solute component
199 ..Halogen containing
200 ...Hydrogen containing
201 ....Ammonium
202 ..Chromium containing
203 ..With acid containing N or P constituent
204 ..Sulphuric acid
205 ...Sulphate containing
206 ..Alkaline
207 ...With salt or acid component
208 .Electrode support for suspending or holding an electrode in a
battery
209 .Electrode
210 ..Bipolar type
211 ..Having connector tab
212 ..Having active material with organic component
213 ...Organic component is active material
214 ...Organic component is an antioxidant
215 ...Organic component is an expander or addition agent for
improving electrode capacity or plating characteristics
216 ....Dendrite or "tree" forming inhibitor
217 ...Organic component is a binder
218 ..Having inorganic active material chemically specified
219 ...Silver component is active material
220 ...Copper component is active material
221 ...Iron component is active material
222 ...Cadmium component is active material
223 ...Nickel component is active material
224 ...Manganese component is active material
225 ...Lead component is active material
226 ....Alloy
227 ....Metal sulphate or carbonate
228 ....Lead oxide
229 ...Zinc component
230 ....With mercury
231 ....Zinc oxide
232 ..Having inorganic binder or conductive filler
233 ..Grid or holder for active material
234 ...Grid or holder has nonconducting component portion thereof
235 ...Having particulate or fibrous porous mass including a
sintered mass
236 ....Having coating in the pores
237 ....Having support or reinforcing member
238 ...Having longitudinal electrically conducting tubes or coress
239 ...Having conductive receptacle or mechanical locking means for
the active material
240 ....Locking means being bendable tabs
241 ...Open mesh or perforated plate
242 ....Expanded metal
243 ....Having members in a face plane of the grid being offset from
members in the plane of the opposite face
244 .....Distinct elements or members intermediate the face members
245 ...Materials chemically specified
246 ..With insulating separator, spacer or retainer means
247 .Separator, retainer, spacer or materials for use therewith
248 ..Having additive for effecting the charge capacity, life, etc.,
of a cell
249 ..Organic material
250 ...And wetting agent or surface acting agent
251 ...And inorganic material
252 ....Silicon containing
253 ...Phenolic or thermosetting resin
254 ...Rubber or thermoplastic resin
255 ...Natural or treated plant materials