ClassID:

213656

H01M8/241 - page 5 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes

Recent Application in this class:
#1201
20050255349
2005-11-17

Articles of clothing and personal gear with on-demand power supply for electrical devices

#1202
20050255340
2005-11-17

Fuel cell and electronic apparatus with the same mounted thereon

#1203
20050252892
2005-11-17

Laser welding of conductive coated metallic bipolar plates

#1204
20050250004
2005-11-10

Electrochemical cells having current-carrying structures underlying electrochemical reaction layers

#1205
20050249997
2005-11-10

Fuel cell having inner and outer periphery seal members

#1206
20050244703
2005-11-03

Channel-based electrochemical cassettes

#1207
20050244700
2005-11-03

Hybrid bipolar plate assembly and devices incorporating same

#1208
20050244689
2005-11-03

Separator and fuel cell system using that separator

#1209
20050244686
2005-11-03

Fuel cell system with recirculation system and purge valve

#1210
20050238944
2005-10-27

Fuel cell system

#1211
20050238943
2005-10-27

Fuel cell stack

#1212
20050238942
2005-10-27

Fuel cell and separator thereof

#1213
20050233201
2005-10-20

Polymer electrolyte fuel cell

#1214
20050233198
2005-10-20

Microfluidic electrochemical reactors

#1215
20050233186
2005-10-20

Liquid-fuel fuel cell, operation monitoring method for monitoring operation thereof, and operation monitoring device

#1216
20050227136
2005-10-13

Fuel cell, electronic apparatus and camera

#1217
20050226996
2005-10-13

Method for making compact chemical reactors

#1218
20050221161
2005-10-06

Solid oxide fuel cell and separator

#1219
20050221149
2005-10-06

Fuel cell stack

#1220
20050221146
2005-10-06

Separator and fuel cell using that separator

#1221
20050214627
2005-09-29

Fuel cell and fuel cell stack

#1222
20050214626
2005-09-29

Solid polymer fuel cell

#1223
20050214625
2005-09-29

Fuel cell system and stack used thereto

#1224
20050214624
2005-09-29

Bipolar plate assembly, fuel cell stacks and fuel cell systems incorporating the same

#1225
20050214607
2005-09-29

Polymer electrolyte fuel cell power generation system and stationary co-generation system using the same

#1226
20050214604
2005-09-29

Fuel cell system

#1227
20050214600
2005-09-29

Cell-voltage measuring structure for fuel cell stack and related method

#1228
20050214599
2005-09-29

Polymer electrolyte fuel cell and method for prudoucing the same

#1229
20050208366
2005-09-22

Balanced humidification in fuel cell proton exchange membranes

#1230
20050208364
2005-09-22

Fuel cell having buffer and seal for coolant

#1231
20050208361
2005-09-22

Method for joining laser transmitting resin member and porous member, method for joining thermoplastic resin, and fuel cell

#1232
20050208356
2005-09-22

Solid-state polyelectrolyte type fuel cell

#1233
20050208354
2005-09-22

Proton-conducting polymer membrane and method for the production thereof to simultaneously remove the catalyst layers

#1234
20050202309
2005-09-15

Method of preserving fuel cell membrane electrode assembly

#1235
20050202298
2005-09-15

Fuel cell

#1236
20050196656
2005-09-08

Fuel cell

#1237
20050191539
2005-09-01

Fuel cell

#1238
20050191529
2005-09-01

Fuel cell

#1239
20050186465
2005-08-25

Fuel cell system and stack used therein

#1240
20050186459
2005-08-25

Fuel cell

#1241
20050181269
2005-08-18

Microfibrous fuel cell assemblies comprising fiber-supported electrocatalyst layers, and methods of making same

#1242
20050175884
2005-08-11

Fuel cell having a perforated foil distributing the fuel gas over the electrode surface

#1243
20050175881
2005-08-11

Miniature fuel cell base module comprising micro-volumes which are traversed by one of two reactants

#1244
20050175876
2005-08-11

Fuel cell system including a fuel cell stack and at least one electrical energy storage device

#1245
20050175784
2005-08-11

Method of manufacturing fuel cell

#1246
20050170235
2005-08-04

Integral multi-stack system of fuel cell

#1247
20050170232
2005-08-04

Durable, low transient resistence between bipolar plate and diffusion media

#1248
20050170228
2005-08-04

Solid polymer electrolyte fuel cell system and operation method therefor

#1249
20050170225
2005-08-04

Vehicle-mounted fuel cell stack

#1250
20050164071
2005-07-28

Fuel cell

#1251
20050164062
2005-07-28

Cooling apparatus for fuel cell and fuel cell system having the same

#1252
20050164061
2005-07-28

Fuel cell system

#1253
20050158603
2005-07-21

Ultra short high pressure gradient flow path flow field

#1254
20050158602
2005-07-21

Fuel cell, cell or group of cells belonging to said fuel cell, replacement kit for said fuel cell and method for making same

#1255
20050158599
2005-07-21

Fuel cell

#1256
20050153192
2005-07-14

Fuel cell

#1257
20050153185
2005-07-14

Solid polymer type fuel cell electricity generation block and fuel cell stack

#1258
20050153184
2005-07-14

Bipolar plate with cross-linked channels

#1259
20050153180
2005-07-14

Functional test and demonstration apparatus for fuel cell power system

#1260
20050153174
2005-07-14

Monitor device for fuel cell

#1261
20050147858
2005-07-07

Apparatus for seperation or synthesis of process substances

#1262
20050147855
2005-07-07

Procedure for starting up a fuel cell system using a fuel purge

#1263
20050142424
2005-06-30

Fuel cell and fuel cell stack

#1264
20050142422
2005-06-30

Channel member for providing fuel gas to separators forming a plurality of fuel gas fields on one surface

#1265
20050142416
2005-06-30

Fuel cell

#1266
20050142410
2005-06-30

Micro fuel cell

#1267
20050142408
2005-06-30

Direct antifreeze cooled fuel cell power plant with passive water management

#1268
20050136316
2005-06-23

Fuel cell and fuel cell stack

#1269
20050136312
2005-06-23

Compliant fuel cell system

#1270
20050136306
2005-06-23

Fuel cell with separator having a ridge member

#1271
20050136303
2005-06-23

Fuel cell system, operating method thereof, program and recording medium

#1272
20050136295
2005-06-23

Fuel cells

#1273
20050136293
2005-06-23

Cell maintenance device for fuel cell stacks

#1274
20050130021
2005-06-16

Fuel cell and power chip technology

#1275
20050130016
2005-06-16

Sealing structure for sealing separator plates of fuel cell modules

#1276
20050130005
2005-06-16

Fuel cell system with partial heating of each individual fuel cell

#1277
20050129999
2005-06-16

Permeable inlet fuel gas distributor for fuel cells

#1278
20050129988
2005-06-16

Electrochemical fuel cell stack having a plurality of integrated voltage reversal protection diodes

#1279
20050121315
2005-06-09

System for generating hydrogen and method thereof

#1280
20050118492
2005-06-02

Fuel-cell reactant delivery and circulation device

#1281
20050118481
2005-06-02

Separator, fuel cell, and connection construction between cell voltage measurement device side terminal and fuel cell side terminal

#1282
20050118466
2005-06-02

Method for initial activation of polymer electrolyte fuel cell

#1283
20050112422
2005-05-26

Fuel cell and fuel cell separator

#1284
20050112418
2005-05-26

Apparatus for improving the cold starting capability of an electrochemical fuel cell

#1285
20050106443
2005-05-19

Electrical interconnect for a fuel cell stack

#1286
20050106436
2005-05-19

Dual chamber fuel cell elements

#1287
20050095493
2005-05-05

Fuel cell

#1288
20050095472
2005-05-05

Performance enhancing break-in method for a PEM fuel cell

#1289
20050091922
2005-05-05

Integrated fuel processor for rapid start and operational control

#1290
20050089737
2005-04-28

PEM fuel cell stack assembly with isolated internal coolant manifold

#1291
20050089598
2005-04-28

Fuel cell separator

#1292
20050084734
2005-04-21

Polymer electrolyte fuel cell

#1293
20050084732
2005-04-21

Fuel cell stack having an improved current collector and insulator

#1294
20050084731
2005-04-21

Fuel cell with humidifier

#1295
20050075816
2005-04-07

System and method for controlling a fuel cell testing device

#1296
20050074655
2005-04-07

Fuel cell

#1297
20050074652
2005-04-07

Direct liquid feed fuel cell stack

#1298
20050069751
2005-03-31

Polymer electrolyte fuel cell and related method

#1299
20050069750
2005-03-31

Bipolar plate for a fuel cell

#1300
20050069749
2005-03-31

Flow field plate arrangement

#1301
20050069744
2005-03-31

Fuel cell

#1302
20050069735
2005-03-31

Polymer electrolyte membrane fuel cell system

#1303
20050064272
2005-03-24

Fuel cell flow field plate

#1304
20050064270
2005-03-24

Fuel cell bipolar separator plate

#1305
20050064267
2005-03-24

Fuel cell system

#1306
20050064261
2005-03-24

Internal PEM fuel cell water management

#1307
20050064253
2005-03-24

System and method for early detection of contaminants in a fuel processing system

#1308
20050060876
2005-03-24

Fuel cell and power chip technology

#1309
20050058872
2005-03-17

Connection assembly for promoting electrical isolation

#1310
20050058870
2005-03-17

Addressing one MEA failure mode by controlling MEA catalyst layer overlap

#1311
20050058865
2005-03-17

Self -thawing fuel cell

#1312
20050058864
2005-03-17

Nested bipolar plate for fuel cell and method

#1313
20050053810
2005-03-10

Method and system for starting up fuel cell stack at subzero temperatures, and method of designing fuel cell stack

#1314
20050053807
2005-03-10

Method of operating a fuel cell system under freezing conditions

#1315
20050048354
2005-03-03

Fuel cell temperature control by evaporative cooling

#1316
20050048344
2005-03-03

Fuel cell casing and fuel cell

#1317
20050048342
2005-03-03

Membrane electrode assembly and fuel cell

#1318
20050048333
2005-03-03

Multiple stage combustion process to maintain a controllable reformation temperature profile

#1319
20050048332
2005-03-03

Multiple stage combustion process to maintain a controllable reformation temperature profile

#1320
20050042497
2005-02-24

Electrochemical fuel cell stack with improved reactant manifolding and sealing

#1321
20050042492
2005-02-24

Fuel cell stack

#1322
20050037249
2005-02-17

Cascaded fuel cell stacks for fast start-up and anode coking control

#1323
20050037247
2005-02-17

Fuel cell system and method for removal of water from fuel cells

#1324
20050037243
2005-02-17

Method for operating a PEM fuel cell system, and associated PEM fuel cell system

#1325
20050031934
2005-02-10

Fuel cell with deformable seal members

#1326
20050031933
2005-02-10

Adhesive bonds for metalic bipolar plates

#1327
20050031914
2005-02-10

PEM fuel cell with high porosity hydrophilic water transport plates and temperature increase before shutdown in environment which may reach subfreezing temperatures

#1328
20050026021
2005-02-03

Fuel cell

#1329
20050026016
2005-02-03

Fuel cell with integral manifold

#1330
20050026015
2005-02-03

Micro heat pipe embedded bipolar plate for fuel cell stacks

#1331
20050026009
2005-02-03

Polymer electrolyte fuel cell

#1332
20050019643
2005-01-27

Fuel cell stack

#1333
20050019635
2005-01-27

Method for making a fuel cell with large active surface and reduced volume

#1334
20050014057
2005-01-20

Compliant electrical contacts for fuel cell use

#1335
20050014046
2005-01-20

Fuel cell with integrated heat exchanger

#1336
20050014044
2005-01-20

Fuel cell system

#1337
20050008925
2005-01-13

Fuel cell

#1338
20050008921
2005-01-13

Fluid flow plate for fuel cell

#1339
20050008918
2005-01-13

Fuel battery and electric device

#1340
20050008912
2005-01-13

Cooling of air-cooled fuel cell system

#1341
20050003263
2005-01-06

Fuel cell electrode pair assemblies and related methods

#1342
20050003260
2005-01-06

Polymer electrolyte fuel cell stack

#1343
20050003253
2005-01-06

Fuel cell and a temperature control system for the fuel cell

#1344
17566292
2023-08-15

Advanced selectively gas permeable anode flow field design for efficient removal of carbon dioxide in a fuel cell

#1345
16541228
2022-04-19

Microwatt fuel cell stack