ClassID:

213443

H01M8/04149 - page 2 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids; Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying; Humidifying by diffusion, e.g. making use of membranes

Recent Application in this class:
#301
20110207004
2011-08-25

Porous flow field plate for moisture distribution control in a fuel cell

#302
20110200896
2011-08-18

Fuel cell system and operating method of a fuel cell

#303
20110195344
2011-08-11

Passive water drain

#304
20110195337
2011-08-11

Fuel cell with microtruss water vapor transport device

#305
20110195325
2011-08-11

HUMIDIFIER MODULE FOR A FUEL CELL SYSTEM

#306
20110165478
2011-07-07

Humidifier device for humidifying a fluid in a fuel cell system

#307
20110143232
2011-06-16

Gel-Filled Membrane Device and Method

#308
20110129741
2011-06-02

Fuel cell system and fuel cell automotive vehicle

#309
20110127683
2011-06-02

Humidifier for fuel cell

#310
20110104582
2011-05-05

TAILORING LIQUID WATER PERMEABILITY OF DIFFUSION LAYERS IN FUEL CELL STACKS

#311
20110053037
2011-03-03

Fuel cell with spatially non-homogeneous ionic membrane

#312
20110053010
2011-03-03

Perfluorocyclobutane based water vapor transfer membranes with side chain perfluorosulfonic acid moieties

#313
20110053009
2011-03-03

CUSTOMIZED WATER VAPOR TRANSFER MEMBRANE LAYERED STRUCTURE

#314
20110053008
2011-03-03

WATER VAPOR TRANSFER MEMBRANE AND PAPER INTEGRATED ASSEMBLY

#315
20110053007
2011-03-03

Perfluorocyclobutane based water vapor transfer membranes

#316
20110048837
2011-03-03

Hydrogen exhaust system for fuel cell vehicle

#317
20110039167
2011-02-17

Membrane humidifier for a fuel cell

#318
20110003217
2011-01-06

WICKING LAYER FOR MANAGING MOISTURE DISTRIBUTION IN A FUEL CELL

#319
20110000842
2011-01-06

Humidifying membrane module

#320
20100323251
2010-12-23

Humidification cell

#321
20100297519
2010-11-25

Cathode for fuel cell

#322
20100297477
2010-11-25

Microbial fuel cell cathode assembly

#323
20100248044
2010-09-30

ON BOARD GENERATION OF N2 FOR FUEL CELLS USING A MEMBRANE

#324
20100203400
2010-08-12

Humidifier membrane

#325
20100193975
2010-08-05

HUMIDIFIER

#326
20100190093
2010-07-29

Hollow fiber membrane for humidifier and method for manufacturing the same

#327
20100151337
2010-06-17

Humidifier and fuel cell system

#328
20100122461
2010-05-20

COMPACT SPRING LOADED FUEL CELL MONOPOLAR STACK

#329
20100086818
2010-04-08

RECOOLING AND HUMIDIFICATION DEVICE FOR USE IN FUEL CELLS

#330
20100068603
2010-03-18

Hollow fiber membrane module and fuel cell system

#331
20100068584
2010-03-18

Flat fuel cell assembly with air channel defined by case

#332
20100047643
2010-02-25

FUEL CELL SYSTEM

#333
20100028741
2010-02-04

Hydride fuel-cell cooler and condensate cooler for aircraft

#334
20100028740
2010-02-04

Fuel cell system with heater

#335
20100015483
2010-01-21

Reaction gas temperature and humidity regulating module for fuel cell stack

#336
20100009226
2010-01-14

Device for treating reaction gases in fuel cells

#337
20090325034
2009-12-31

Separator including an elastic layer for use in humidifying device, humidifying device, and fuel cell system including humidifying device

#338
20090325031
2009-12-31

FUEL CELL SYSTEM

#339
20090324929
2009-12-31

Composite Membrane and Moisture Adjustment Module Using Same

#340
20090311575
2009-12-17

Fuel cell with passive operation

#341
20090269628
2009-10-29

Fuel cell system, estimation device of amount of anode gas to be generated and estimation method of amount of anode gas to be generated

#342
20090252995
2009-10-08

FUEL CELL WITH OXYGEN TRANSPORT MEMBRANE

#343
20090239111
2009-09-24

Fuel Cell Humidifier and Fuel Cell System Having the Same

#344
20090229899
2009-09-17

Fuel cell vehicle including reaction-off gas discharge system

#345
20090226784
2009-09-10

Humidification system for fuel cell

#346
20090208797
2009-08-20

Fuel cell stack humidification device

#347
20090208785
2009-08-20

SOFC electrochemical anode tail gas oxidizer

#348
20090193974
2009-08-06

Cross-pleated membrane cartridges, and method and apparatus for making cross-pleated membrane cartridges

#349
20090191435
2009-07-30

Covers for electrochemical cells and related methods

#350
20090188872
2009-07-30

Water transfer device employing a water buffer to increase water flux

#351
20090136789
2009-05-28

Integrated flow field (IFF) structure

#352
20090130495
2009-05-21

Humidifying system

#353
20090121366
2009-05-14

Humidifier

#354
20090117415
2009-05-07

Arrangement for supplying a fuel cell with recycled reaction gas

#355
20090092863
2009-04-09

Fuel cell membrane humidifier plate design

#356
20090075140
2009-03-19

ELECTRODE STRUCTURE OF FUEL CELL

#357
20090047551
2009-02-19

METHODS OF OPERATING FUEL CELL SYSTEMS HAVING A HUMIDIFICATION DEVICE

#358
20090039010
2009-02-12

Hollow Fiber Membrane Module, and Method for Producing the Hollow Fiber Membrane Module

#359
20090004521
2009-01-01

ALKALINE FUEL CELL

#360
20080318093
2008-12-25

Hydrogen recirculation apparatus for fuel cell vehicle

#361
20080280188
2008-11-13

AIR-BREATHING FUEL CELL STACK

#362
20080280168
2008-11-13

Fuel cell

#363
20080241636
2008-10-02

Sealed water vapor transfer unit assembly with integrated load transferring structure

#364
20080241632
2008-10-02

Use of Hydrophilic Treatment in a Water Vapor Transfer Device

#365
20080241606
2008-10-02

METHOD AND APPARATUS FOR HUMIDIFYING A GAS IN FUEL CELL SYSTEMS

#366
20080237902
2008-10-02

Humidifier

#367
20080220305
2008-09-11

Method and apparatus for internal hydration of a fuel cell system

#368
20080217795
2008-09-11

HUMIDIFIER DEVICE FOR FUEL CELL

#369
20080199743
2008-08-21

Ambient pressure fuel cell system employing partial air humidification

#370
20080187808
2008-08-07

Integrated Humidified Fuel Cell Assembly

#371
20080182148
2008-07-31

Method of humidifying fuel cell inlets using wick-based water trap humidifiers

#372
20080182140
2008-07-31

Method and apparatus for humidification of the membrane of a fuel cell

#373
20080113241
2008-05-15

Fuel cell microporous layer with microchannels

#374
20080113235
2008-05-15

Fastener, cell stack, fuel cell device, and electronic device

#375
20080113230
2008-05-15

Method and apparatus for improving water balance in fuel cell power unit

#376
20080096091
2008-04-24

Flat fuel cell assembly having gas barrier material layer

#377
20080096061
2008-04-24

Metal-Air Battery or Fuel Cell

#378
20080093752
2008-04-24

Humidification system for fuel cell

#379
20080079180
2008-04-03

Hybrid humidifier for a fuel cell

#380
20080075994
2008-03-27

Fuel cell system having at least one fuel cell

#381
20080067700
2008-03-20

HUMIDIFIER DEVICE AND METHOD OF FORMING THE SAME

#382
20080020260
2008-01-24

APPARATUS, SYSTEM, AND METHOD FOR MANIFOLDED INTEGRATION OF A HUMIDIFICATION CHAMBER FOR INPUT GAS FOR A PROTON EXCHANGE MEMBRANE FUEL CELL

#383
20080014491
2008-01-17

FUEL CELL

#384
20080001313
2008-01-03

Membrane humidifier for a fuel cell

#385
20070284253
2007-12-13

Fuel cell water management

#386
20070269708
2007-11-22

Fuel cell system having water recovering and circulating structure

#387
20070264552
2007-11-15

FUEL CELL

#388
20070227900
2007-10-04

PERFORMANCE ENHANCEMENT VIA WATER MANAGEMENT IN ELECTROCHEMICAL CELLS

#389
20070218337
2007-09-20

Cell module and fuel cell having a water permeable hollow body

#390
20070210463
2007-09-13

Fuel cell air humidifier

#391
20070207371
2007-09-06

Fuel cell

#392
20070196720
2007-08-23

Fuel cell integrated humidification

#393
20070141450
2007-06-21

Rechargeable fuel cell with double cathode

#394
20070122669
2007-05-31

Fuel cell system and fuel cell automobile vehicle

#395
20070107454
2007-05-17

Temperature/humidity exchanger

#396
20070096348
2007-05-03

Humidification device for fuel battery system

#397
20070092774
2007-04-26

Fuel cell system having no fuel pump

#398
20070087239
2007-04-19

Fuel cell fluid management system

#399
20070082242
2007-04-12

Integrated air supply with humidification control for fuel cell power systems

#400
20070077484
2007-04-05

Water transport features for diffusion media

#401
20070042237
2007-02-22

Mixed reactant fuel cell system with vapor recovery and method of recovering vapor

#402
20060278452
2006-12-14

Intake structure in fuel cell powered vehicle, and motorcycle with fuel cell mounted thereon

#403
20060251943
2006-11-09

Polymer electrolyte fuel cell power generation system

#404
20060228597
2006-10-12

Method for humidifying a reactant stream for a fuel cell

#405
20060208373
2006-09-21

Device and method for humidifying hydrogen

#406
20060154117
2006-07-13

Electrochemical generator and method for its utilisation

#407
20060147774
2006-07-06

Humidifier for fuel cell system

#408
20060147773
2006-07-06

Heat and humidity exchanger

#409
20060134474
2006-06-22

Fuel cell humidification system

#410
20060115696
2006-06-01

Hydrogen gas humidity control apparatus, fuel cell, hydrogen gas humidity controlling method, and humidity control method for fuel cell

#411
20060112827
2006-06-01

Humidifier and a method for producing the same

#412
20060014059
2006-01-19

Fuel cell power generator utilizing substantially or completely closed water supply

#413
20060008695
2006-01-12

Fuel cell with in-cell humidification

#414
20050280166
2005-12-22

Humidifier

#415
20050275120
2005-12-15

Reactant gas humidification apparatus and reactant gas humidification method

#416
20050271927
2005-12-08

Fuel cell with thermal conductance of cathode greater than anode

#417
20050247619
2005-11-10

Moisture exchange module having bundle of moisture permeable hollow fibre membranes

#418
20050221133
2005-10-06

Fuel cell-use humidifier

#419
20050208366
2005-09-22

Balanced humidification in fuel cell proton exchange membranes

#420
20050191530
2005-09-01

Method for humidifying a reactant stream for a fuel cell

#421
20050188844
2005-09-01

Temperature-humidity exchanger

#422
20050181251
2005-08-18

Fuel cell system

#423
20050116365
2005-06-02

Humidifier

#424
20050064261
2005-03-24

Internal PEM fuel cell water management

#425
20050048338
2005-03-03

Polymer electrolyte fuel cell system and operation method thereof

#426
20050008923
2005-01-13

Water management in a direct methanol fuel cell system

#427
20050008910
2005-01-13

Fuel cell system