ClassID:

213454

H01M8/04231 - page 2 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells Purging of the reactants

Recent Application in this class:
#301
20140093801
2014-04-03

Automated cold storage protection for a fuel cell system

#302
20140050996
2014-02-20

Hydrogen generator, fuel cell system, and method of operating hydrogen generator

#303
20140038075
2014-02-06

Method for operating fuel cells with passive reactant supply

#304
20140011105
2014-01-09

Reverse flow relief valve for a fuel cell system

#305
20130344410
2013-12-26

SYSTEM AND METHOD FOR OPERATING FUEL CELL SYSTEM

#306
20130323616
2013-12-05

System and method for minimizing fuel cell degradation after shutdown

#307
20130288160
2013-10-31

Fuel cell system, use of a fuel cell system and aircraft with a fuel cell system

#308
20130209908
2013-08-15

Method for starting fuel cell system and starting apparatus for fuel cell system

#309
20130209907
2013-08-15

Operational method for a simplified fuel cell system

#310
20130196240
2013-08-01

Fuel cell system and method for stopping operation of fuel cell system

#311
20130164649
2013-06-27

Fuel cell system and operating method thereof

#312
20130157087
2013-06-20

Flow battery system with standby mode

#313
20130149627
2013-06-13

Operating method of fuel cell system

#314
20130095403
2013-04-18

Fuel cell system and stop method thereof

#315
20130089800
2013-04-11

Fuel cell system having a fuel cell arranged in a housing

#316
20130089797
2013-04-11

Anode purge and drain valve strategy for fuel cell system

#317
20130065150
2013-03-14

Fuel cell system

#318
20130036749
2013-02-14

Fuel Cell System and Method for Operating a Fuel Cell System

#319
20130034787
2013-02-07

Fuel cell system

#320
20130022886
2013-01-24

System and method for detecting a fuel cell anode gas composition

#321
20130017458
2013-01-17

FUEL CELL SYSTEM AND OPERATION METHOD THEREOF

#322
20130004869
2013-01-03

FUEL CELL SYSTEM

#323
20120328967
2012-12-27

Fuel cell with selectively conducting anode component

#324
20120321979
2012-12-20

Control strategy to prevent unexpected hydrogen flow to the cathode due to a failed pressure sensor while catalytic heating

#325
20120315557
2012-12-13

OXYGEN REMOVAL SYSTEMS DURING FUEL CELL SHUTDOWN

#326
20120308908
2012-12-06

Fuel cell system

#327
20120308906
2012-12-06

Fuel cell and method for stopping a fuel cell

#328
20120288778
2012-11-15

Method of controlling fuel cell system

#329
20120282536
2012-11-08

Device and method for controlling fuel cell system having oxygen concentration transient reduction

#330
20120276465
2012-11-01

Method for detecting the sealed state of a fuel cell

#331
20120276460
2012-11-01

Fuel cell system and method of stopping fuel cell system

#332
20120270127
2012-10-25

Method for detecting the permeability state of the ion exchanger polymer membrane of a fuel cell

#333
20120251910
2012-10-04

Method for controlling fuel cell system with in-stop-mode power generating process and startup process

#334
20120251908
2012-10-04

VOLTAGE RECOVERY AND CONTAMINANT REMOVAL BY EX-SITU WATER FLUSH

#335
20120237843
2012-09-20

Electrochemical reactor, such as a fuel cell or an electrolyser, provided with a device for measuring a parameter of a gas specific to the operation of said reactor

#336
20120237840
2012-09-20

POWER GENERATION SYSTEM

#337
20120225365
2012-09-06

Method for controlling fuel cell system

#338
20120225364
2012-09-06

Method of stopping operation of fuel cell system

#339
20120189925
2012-07-26

Fuel cell system and method of operating fuel cell system

#340
20120189876
2012-07-26

FUEL CELL PURGE SYSTEM

#341
20120171590
2012-07-05

CONTROL DEVICE AND CONTROL METHOD FOR FUEL CELL SYSTEM

#342
20120164546
2012-06-28

Fuel cell system and method of operating fuel cell system

#343
20120148929
2012-06-14

Methods of operating fuel cell stacks and systems

#344
20120141897
2012-06-07

Start-up method for fuel cell

#345
20120123620
2012-05-17

PURGING DEVICE AND METHOD FOR IMPROVING COLD-STARTABILITY OF FUEL CELL

#346
20120100447
2012-04-26

Method for operating a high-temperature fuel cell

#347
20120094195
2012-04-19

Fuel cell system and scavenging method therefor

#348
20120077096
2012-03-29

Fuel cell system and processes

#349
20120052408
2012-03-01

Membrane permeation adjustment in PEM fuel cell

#350
20120028148
2012-02-02

Assisted stack anode purge at start-up of fuel cell system

#351
20120012783
2012-01-19

Reducing gas generators and methods for generating reducing gas

#352
20110311890
2011-12-22

Open type fuel cell system with unreacted material removing function

#353
20110256461
2011-10-20

FUEL CELL SYSTEM, ESTIMATION DEVICE OF AMOUNT OF ANODE GAS TO BE GENERATED AND ESTIMATION METHOD OF AMOUNT OF ANODE GAS TO BE GENERATED

#354
20110250516
2011-10-13

Method of shut-down and starting of a fuel cell

#355
20110244347
2011-10-06

Compression fill of anode of a fuel cell system

#356
20110236780
2011-09-29

Fuel cell system and method for controlling stoppage of fuel cell system

#357
20110223499
2011-09-15

Fuel cell system with energy-efficient reactant recycling

#358
20110223495
2011-09-15

Preventing air intrusion into hydrogen-stabilized fuel cells during shutdown

#359
20110217610
2011-09-08

Control system for direct alcohol fuel cell

#360
20110217601
2011-09-08

Fuel cell system

#361
20110212377
2011-09-01

FUEL CELL SYSTEM AND MOBILE ARTICLE

#362
20110200905
2011-08-18

Gas control and operation method of a fuel cell system for water and gas distribution

#363
20110183228
2011-07-28

Bipolar plates and electrochemical cells employing the same

#364
20110183220
2011-07-28

METHOD OF PURGING FOR FUEL CELL

#365
20110171548
2011-07-14

Fuel cell device

#366
20110143244
2011-06-16

Start-up method for fuel cell

#367
20110143241
2011-06-16

FUEL CELL OPERATIONAL METHODS FOR OXYGEN DEPLETION AT SHUTDOWN

#368
20110123885
2011-05-26

Fuel cell system and gas control method

#369
20110111310
2011-05-12

Fuel cell shutdown with steam purging

#370
20110097637
2011-04-28

Purge system for fuel cell with improved cold start performance

#371
20110097635
2011-04-28

System and method for electrochemical cell system and leak detection and indication

#372
20110091780
2011-04-21

In-situ fuel cell stack reconditioning

#373
20110081584
2011-04-07

Fuel cell system

#374
20110070508
2011-03-24

Fuel cell system and method of controlling the same

#375
20110065010
2011-03-17

Fuel Reformer Integration With Carbon Dioxide Scrubbers

#376
20110059377
2011-03-10

Apparatus for generating a gas which may be used for startup and shutdown of a fuel cell

#377
20110059376
2011-03-10

Method for generating a gas which may be used for startup and shutdown of a fuel cell

#378
20110053026
2011-03-03

Fuel cell system

#379
20110048837
2011-03-03

Hydrogen exhaust system for fuel cell vehicle

#380
20110045374
2011-02-24

FUEL CELL SYSTEM

#381
20110045368
2011-02-24

Apparatus for recirculation of a cathode gas in a fuel cell arrangement, method for shutting down such a fuel cell arrangement

#382
20110033763
2011-02-10

Fuel cell system and reverse flow relief valve

#383
20110014534
2011-01-20

Method for cold starting fuel cell vehicle

#384
20110003222
2011-01-06

Hydrogen passivation shut down system for a fuel cell power plant

#385
20100323259
2010-12-23

Integrated valve system for fuel cell stack

#386
20100310955
2010-12-09

COMBUSTION OF HYDROGEN IN FUEL CELL CATHODE UPON STARTUP

#387
20100291451
2010-11-18

Fuel cell system for performing normal and abnormal shut-down processes

#388
20100273074
2010-10-28

Fuel cell system and method for operating a fuel cell system

#389
20100266912
2010-10-21

Implementation of an engine controller unit's non-volatile memory for measuring the time of a fuel cell system in a shut-off or standby state

#390
20100261079
2010-10-14

Fuel cell system

#391
20100255394
2010-10-07

FUEL CELL SYSTEM AND A METHOD FOR CONTROLLING THE SAME

#392
20100248044
2010-09-30

ON BOARD GENERATION OF N2 FOR FUEL CELLS USING A MEMBRANE

#393
20100239924
2010-09-23

Fuel cell system with partial recycling of anode exhaust

#394
20100221624
2010-09-02

Fuel cell system

#395
20100221623
2010-09-02

Method and Apparatus for Operation of a Fuel Cell Arrangement

#396
20100216045
2010-08-26

FUEL CELL SYSTEM AND CONTROL METHOD THEREOF

#397
20100209793
2010-08-19

Fuel cell system and method for controlling the same

#398
20100209791
2010-08-19

FUEL CELL SYSTEM

#399
20100203407
2010-08-12

Fuel cell system with regeneration of electrode activity during start or stop

#400
20100196771
2010-08-05

Fuel cell system and method for controlling fuel cell system

#401
20100196743
2010-08-05

APPARATUS AND METHOD FOR PURGING RESIDUAL WATER AND HYDROGEN DURING SHUTDOWN OF FUEL CELL

#402
20100190080
2010-07-29

Fuel cell system and its control method

#403
20100190076
2010-07-29

TWO STAGE, HFR-FREE FREEZE PREPARATION SHUTDOWN STRATEGY

#404
20100190075
2010-07-29

System and method for observing anode fluid composition during fuel cell start-up

#405
20100190073
2010-07-29

Bleed trigger monitor used in fuel cell system

#406
20100190071
2010-07-29

Fuel cell system and operating method therefor

#407
20100183933
2010-07-22

Fuel cell system and method of operating the same

#408
20100178591
2010-07-15

Apparatus for recirculation of anode exhaust gases of a fuel cell

#409
20100178578
2010-07-15

System and method for detecting a fuel cell anode gas composition

#410
20100173219
2010-07-08

Fuel cell battery system

#411
20100173214
2010-07-08

Controller for fuel cell operation

#412
20100173210
2010-07-08

Fuel cell system and control method of the system

#413
20100167174
2010-07-01

FUEL CELL SYSTEM

#414
20100167145
2010-07-01

FUEL CELL SYSTEM AND FUEL CELL SYSTEM CONTROL METHOD

#415
20100167144
2010-07-01

Fuel cell system and operation method thereof

#416
20100159341
2010-06-24

Fuel supply system having regulating device for supplying fuel gas to an anode

#417
20100151290
2010-06-17

Fuel cell system and method of starting fuel cell system

#418
20100151289
2010-06-17

Method of removing residual oxygen in fuel cell by electrochemical purging

#419
20100151288
2010-06-17

Method of operating a fuel cell system in standby/regenerative mode

#420
20100151287
2010-06-17

ADAPTIVE ANODE BLEED STRATEGY

#421
20100136448
2010-06-03

System and method for optimizing fuel cell purge cycles

#422
20100136446
2010-06-03

Stop method for fuel cell system

#423
20100136377
2010-06-03

Fuel cell system and driving method thereof

#424
20100124680
2010-05-20

Fuel cell system operated with liquid gas

#425
20100104912
2010-04-29

Fuel cell and vehicle having fuel cell

#426
20100098980
2010-04-22

Fuel cell system

#427
20100081019
2010-04-01

FUEL CELL SYSTEM

#428
20100071781
2010-03-25

Fuel cell valve and fuel cell system using the valve

#429
20100068574
2010-03-18

Fuel cell system and power supply control method

#430
20100068570
2010-03-18

FUEL CELL SYSTEM

#431
20100055511
2010-03-04

Fuel cell system

#432
20100047643
2010-02-25

FUEL CELL SYSTEM

#433
20100035100
2010-02-11

Method and apparatus for supplying input gases to a fuel cell stack

#434
20100028734
2010-02-04

Method for high temperature fuel cell system start up and shutdown

#435
20100028728
2010-02-04

Humidification control during shutdown of a fuel cell system

#436
20100021782
2010-01-28

Fuel cell system

#437
20100015484
2010-01-21

Fuel cell system

#438
20100015482
2010-01-21

Fuel cell system

#439
20100003576
2010-01-07

Exhaust apparatus for fuel cell system

#440
20100003561
2010-01-07

Fuel cell system

#441
20100003550
2010-01-07

FUEL CELL DEVICE AND METHOD FPR REGULATING FUEL SUPPLY TO FUEL CELL DEVICE

#442
20100003549
2010-01-07

Fuel cell, fuel cell system, and control method of fuel cell system

#443
20100003546
2010-01-07

System and method for shorting a fuel cell stack

#444
20090325031
2009-12-31

FUEL CELL SYSTEM

#445
20090317675
2009-12-24

Fuel cell system

#446
20090305100
2009-12-10

Fuel cell assembly

#447
20090291342
2009-11-26

FUEL CELL SYSTEM

#448
20090291339
2009-11-26

Method of operating a fuel cell system

#449
20090286116
2009-11-19

FUEL CELL SYSTEM AND CONTROL METHOD THEREOF

#450
20090282981
2009-11-19

Gas diluter

#451
20090269629
2009-10-29

Hydrogen generator, fuel cell system, and methods for operating them

#452
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

#453
20090263696
2009-10-22

Shutdown operations for a sealed anode fuel cell system

#454
20090263686
2009-10-22

Method of operating a fuel cell system by detecting leakage of a combustible gas

#455
20090263679
2009-10-22

SHUTDOWN OPERATIONS FOR AN UNSEALED CATHODE FUEL CELL SYSTEM

#456
20090258267
2009-10-15

Apparatus for solid-oxide fuel cell shutdown having a timing circuit and a reservoir

#457
20090253007
2009-10-08

Method and apparatus for anode oxidation prevention and cooling of a solid-oxide fuel cell stack

#458
20090253003
2009-10-08

FUEL CELL SYSTEM AND METHOD OF SCAVENGING FUEL CELL SYSTEM

#459
20090239109
2009-09-24

Fuel cell system and method of starting operation of the fuel cell system

#460
20090226777
2009-09-10

Fuel cell system and control method thereof

#461
20090220832
2009-09-03

Hydrogen passivation shut down system for a fuel cell power plant

#462
20090220830
2009-09-03

ANODE SUPPLY SYSTEM FOR A FUEL CELL STACK AND A METHOD OF PURGING THE SAME

#463
20090197141
2009-08-06

Exhaust fuel diluting mechanism and fuel cell system with the exhaust fuel diluting mechanism

#464
20090181268
2009-07-16

Procedure for filling a fuel cell anode supply manifold with hydrogen for start-up

#465
20090169937
2009-07-02

Fuel cell system and mobile body

#466
20090169936
2009-07-02

Fuel cell system with a learning capability to readjust the driving characteristic of a gas supply device and vehicle

#467
20090169929
2009-07-02

Fuel cell system, method of stopping operation of the fuel cell system, and method of starting operation of the fuel cell system

#468
20090167090
2009-07-02

Energy supply system and method related thereto

#469
20090155652
2009-06-18

Fuel cell system

#470
20090155634
2009-06-18

Method to maximize fuel cell voltage during start-up

#471
20090155102
2009-06-18

Integrated hydrogen recirculation blower for fuel cell vehicle

#472
20090148728
2009-06-11

Fuel cell system and method of stopping the same

#473
20090136793
2009-05-28

HYDROGEN SUPPLY FOR A FUEL CELL SYSTEM

#474
20090130510
2009-05-21

Fuel Cell System and Mobile Article

#475
20090123790
2009-05-14

System and method for purging condensate from an electrochemical cell stack prior to operation

#476
20090123787
2009-05-14

Fuel cell power plant and control method thereof

#477
20090117444
2009-05-07

Fuel cell system with a metering unit

#478
20090117417
2009-05-07

Method for model based exhaust mixing control in a fuel cell application

#479
20090110988
2009-04-30

Fuel cell system and scavenging method therefor

#480
20090110977
2009-04-30

Fuel cell system and method for operating the same

#481
20090104502
2009-04-23

Fuel-cell system and method of estimating nitrogen concentration on fuel electrode of fuel cell

#482
20090104480
2009-04-23

Assisted stack anode purge at start-up of fuel cell system

#483
20090104478
2009-04-23

Method for controlling the pressure in an anode of a fuel cell, and a fuel cell

#484
20090092883
2009-04-09

Fuel cell system

#485
20090081502
2009-03-26

Open-loop system and method for fuel cell stack start-up with low-voltage source

#486
20090081495
2009-03-26

Gas control and operation method of a fuel cell system for water and gas distribution

#487
20090081491
2009-03-26

Method for fast and reliable fuel cell system start-ups

#488
20090081490
2009-03-26

Closed-loop method for fuel cell system start-up with low voltage source

#489
20090035614
2009-02-05

Fuel cell system and method for operating the same

#490
20090029229
2009-01-29

Fuel cell system

#491
20090029227
2009-01-29

APPARATUS, SYSTEM, AND METHOD FOR SECURING A CARTRIDGE

#492
20090029212
2009-01-29

FUEL CELL SYSTEM AND ELECTRONIC DEVICE

#493
20090029201
2009-01-29

FUEL CELL SYSTEM

#494
20090029200
2009-01-29

Fuel cell system and method to prevent freezing after shut-down

#495
20090025293
2009-01-29

APPARATUS, SYSTEM, AND METHOD FOR PROCESSING HYDROGEN GAS

#496
20090023040
2009-01-22

OXYGEN REMOVAL SYSTEMS DURING FUEL CELL SHUTDOWN

#497
20090023022
2009-01-22

Electronic apparatus, control method and program thereof, and battery for operating electronic apparatus

#498
20090023020
2009-01-22

Fuel cell system and operation method for fuel cell system

#499
20090011303
2009-01-08

Fuel cell system with purge valve and actuator for controlling purge valve with electromotive force of sub-power generation part

#500
20090004515
2009-01-01

Fuel cell and method of operating fuel cell

#501
20080312849
2008-12-18

Anode bleed control strategy for improved water management and hydrogen utilization

#502
20080311451
2008-12-18

Fuel cell system and fuel cell control method

#503
20080311442
2008-12-18

Comprehensive method for triggering anode bleed events in a fuel cell system

#504
20080299426
2008-12-04

Fuel cell system and method for controlling air-flow rate therein

#505
20080299422
2008-12-04

Hydrogen sensor cell for detecting contaminants

#506
20080292928
2008-11-27

METHOD FOR PURGING PEM-TYPE FUEL CELLS

#507
20080292921
2008-11-27

RECOVERY OF INERT GAS FROM A FUEL CELL EXHAUST STREAM

#508
20080280176
2008-11-13

Fuel cell system with voltage sensor

#509
20080280174
2008-11-13

Fuel cell system

#510
20080261089
2008-10-23

Fuel cell system and method for controlling fuel cell system

#511
20080248341
2008-10-09

Fuel cell system with dilution and purge control and control method thereof

#512
20080248338
2008-10-09

Fuel Cell and Power Generating Method

#513
20080245588
2008-10-09

MOVING APPARATUS

#514
20080241608
2008-10-02

METHOD OF STARTING UP A FUEL CELL UNDER CONDITIONS IN WHICH WATER MAY FREEZE

#515
20080233445
2008-09-25

Fuel cell system

#516
20080226964
2008-09-18

Fuel cell system

#517
20080220304
2008-09-11

VENTING APPARATUS AND SYSTEM

#518
20080213635
2008-09-04

System and method of purging fuel cell stacks

#519
20080187791
2008-08-07

Fuel cell system and scavenging method therefor

#520
20080187790
2008-08-07

Fuel cell system

#521
20080187788
2008-08-07

System and method of operation of a fuel cell system and of ceasing the same for inhibiting corrosion

#522
20080182138
2008-07-31

Strategies for mitigating cell degradation during start-up and shutdown with H2/N2 storage

#523
20080176127
2008-07-24

Anode air purge valve design

#524
20080176116
2008-07-24

Start-up method for fuel cell

#525
20080166611
2008-07-10

Fuel cell system with control of the pressure of the reactants within the system

#526
20080160361
2008-07-03

Fuel cell system and operation method thereof

#527
20080160360
2008-07-03

Fuel cell purge cycle apparatus and method

#528
20080156549
2008-07-03

Ventilation for fuel cell power unit

#529
20080152972
2008-06-26

Fuel cell start-up control system

#530
20080152961
2008-06-26

Purging a fuel cell system

#531
20080145730
2008-06-19

Fuel cell system that continues operation in the event of a sensor abnormality

#532
20080145720
2008-06-19

Online detection of stack crossover rate for adaptive hydrogen bleed strategy

#533
20080145717
2008-06-19

Method of operating a fuel cell stack

#534
20080145715
2008-06-19

Control of nitrogen fraction in a flow shifting fuel cell system

#535
20080138681
2008-06-12

FUEL CELL SYSTEM

#536
20080124593
2008-05-29

FUEL CELL SYSTEM

#537
20080124589
2008-05-29

Fuel cell with hydrogen internal recirculation

#538
20080118793
2008-05-22

Fluid flow pulsing for increased stability in PEM fuel cell

#539
20080107936
2008-05-08

Hydrogen passivation shut down system for a fuel cell power plant

#540
20080105838
2008-05-08

Valve heated by split solenoid

#541
20080096060
2008-04-24

Startup and shutdown procedures for operating a fuel cell assembly

#542
20080096057
2008-04-24

Fuel cell system, operation method thereof, and fuel cell vehicle

#543
20080081235
2008-04-03

Fuel cell system

#544
20080081228
2008-04-03

Anode purge gas dilution

#545
20080075991
2008-03-27

Monitoring and control of fuel cell purge to emit non-flammable exhaust streams

#546
20080075986
2008-03-27

Stack shutdown purge method

#547
20080075985
2008-03-27

Adaptive purge control to prevent electrode redox cycles in fuel cell systems

#548
20080069726
2008-03-20

Method of preserving fuel cell membrane electrode assembly

#549
20080063908
2008-03-13

FUEL CELL SYSTEM WITH PURGING DEVICE AND METHOD FOR OPERATING SAME

#550
20080044691
2008-02-21

Fuel cell system with purging and method of operating the same

#551
20080038597
2008-02-14

Semi-autonomous central supply system for passenger seats

#552
20080038595
2008-02-14

Stopping a fuel cell supplied with pure oxygen

#553
20080020246
2008-01-24

Fuel cell system

#554
20080014473
2008-01-17

Fuel cell system and purging method for fuel cell system

#555
20080014472
2008-01-17

Fuel cell anode stoichiometry control

#556
20080008921
2008-01-10

Fuel cell system and fuel gas control method

#557
20080003465
2008-01-03

Method for shutting down a fuel cell system using an air purge

#558
20070298300
2007-12-27

FUEL CELL DEVICE WITH CHARGER FUNCTION

#559
20070298289
2007-12-27

Fuel cell system water management strategy for freeze capability

#560
20070292728
2007-12-20

Fuel cell system with differential pressure control

#561
20070287044
2007-12-13

Exhaust emissions control of hydrogen throughout fuel cell stack operation

#562
20070281201
2007-12-06

Fuel Release Management For Fuel Cell Systems

#563
20070281193
2007-12-06

Multiple pressure regime control to minimize RH excursions during transients

#564
20070275282
2007-11-29

Anode gas stack start-up heater and purge gas generator

#565
20070275275
2007-11-29

FUEL CELL ANODE PURGE SYSTEMS AND METHODS

#566
20070259226
2007-11-08

Fuel cell system with variable Coanda amplifiers for gas recirculation and system pressure regulation

#567
20070248856
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