ClassID:

213476

H01M8/04395 - page 2 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids; Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function; Pressure; Ambient pressure; Flow of cathode reactants at the inlet or inside the fuel cell

Recent Application in this class:
#301
20110091779
2011-04-21

PEM fuel cell stack inlet water regulation system

#302
20110086285
2011-04-14

Fuel cell system and method for controlling fuel cell system

#303
20110076580
2011-03-31

Fuel cell system, and method of stopping fuel cell system

#304
20110059375
2011-03-10

Method for limiting the output voltage of a PEM fuel cell system

#305
20110045374
2011-02-24

FUEL CELL SYSTEM

#306
20110033763
2011-02-10

Fuel cell system and reverse flow relief valve

#307
20110027680
2011-02-03

Fuel cell system

#308
20110014536
2011-01-20

Fuel cell system

#309
20110008699
2011-01-13

Fuel cell with control unit for recirculating fuel

#310
20100316926
2010-12-16

FUEL CELL SYSTEM

#311
20100304260
2010-12-02

Fuel cell system and method of controlling fuel cell system

#312
20100304254
2010-12-02

METHOD FOR CONTROLLING A FUEL CELL UTILIZING A FUEL CELL SENSOR

#313
20100304253
2010-12-02

METHOD OF CONTROLLING A FUEL CELL SYSTEM UTILIZING A FUEL CELL SENSOR

#314
20100304244
2010-12-02

Solid oxide fuel cell device

#315
20100304234
2010-12-02

Method for controlling amount of air supplied to fuel cell

#316
20100279186
2010-11-04

Fuel battery system

#317
20100273075
2010-10-28

Fuel cell system

#318
20100273071
2010-10-28

Fuel cell system and fuel cell degradation judgment method

#319
20100273069
2010-10-28

Fuel cell system including a fuel module

#320
20100266915
2010-10-21

Fuel cell system

#321
20100261082
2010-10-14

Fuel cell system

#322
20100261080
2010-10-14

FUEL CELL SYSTEM AND METHOD OF CONTROLLING STARTUP OF FUEL CELL SYSTEM

#323
20100261079
2010-10-14

Fuel cell system

#324
20100261078
2010-10-14

Fuel cell system

#325
20100248045
2010-09-30

FUEL CELL SYSTEM AND METHOD FOR OPERATING THE SAME

#326
20100239934
2010-09-23

Fuel cell system and method of controlling rotation speed of compressor

#327
20100239928
2010-09-23

Fuel cell running system, and valve-freeze preventing method in the fuel cell running system

#328
20100221624
2010-09-02

Fuel cell system

#329
20100221622
2010-09-02

Operation method at the time of load increase of fuel cell system

#330
20100221621
2010-09-02

Operation method at the time of load reduction of fuel cell system

#331
20100203409
2010-08-12

Fuel cell system and its control method

#332
20100203405
2010-08-12

Fuel cell system and method of operating the fuel cell system

#333
20100190079
2010-07-29

Method and algorithm to detect frozen anode pressure sensor

#334
20100183936
2010-07-22

Modular fuel cell power system

#335
20100167098
2010-07-01

FUEL CELL SYSTEM AND TRANSPORTATION EQUIPMENT INCLUDING THE SAME

#336
20100159342
2010-06-24

Fuel cell system and its control method

#337
20100151340
2010-06-17

FUEL CELL IN-PLANE STATE ESTIMATING SYSTEM AND FUEL CELL IN-PLANE STATE ESTIMATING METHOD

#338
20100143816
2010-06-10

FUEL CELL SYSTEM WITH SENSOR FOR DETECTING PRESSURE FLUCTUATIONS IN A FLUID SUPPLY TRAIN

#339
20100141262
2010-06-10

Performance degradation analyzer and method of the same

#340
20100119898
2010-05-13

FUEL CELL SYSTEM

#341
20100086812
2010-04-08

Supply system and warning device for a fuel cell stack and method for controlling the supply system

#342
20100077783
2010-04-01

Solid oxide fuel cell assisted air conditioning system

#343
20100068574
2010-03-18

Fuel cell system and power supply control method

#344
20100068565
2010-03-18

VARIABLE FUEL PRESSURE CONTROL FOR A FUEL CELL

#345
20100062295
2010-03-11

Fuel cell system and air supply method thereof

#346
20100028732
2010-02-04

METHOD AN APPARATUS FOR OPERATING A SOLID-OXIDE FUEL CELL STACK WITH A MIXED IONIC/ELECTRONIC CONDUCTING ELECTROLYTE

#347
20100028726
2010-02-04

Method for supplying fuel gas to a gas chamber of a fuel cell and fuel cell

#348
20100021783
2010-01-28

Fuel cell system

#349
20100009225
2010-01-14

Fuel cell system and mobile body

#350
20090325012
2009-12-31

ALKALINE FUEL CELL SYSTEM

#351
20090325010
2009-12-31

Adaptive compressor surge control in a fuel cell system

#352
20090321265
2009-12-31

Methods for controlling catalytic processes, including the deposition of carbon based particles

#353
20090280360
2009-11-12

Derivation of control parameters of fuel cell systems for flexible fuel operation

#354
20090269637
2009-10-29

Fuel cell module design for robust pressure measurements in freezing conditions

#355
20090263684
2009-10-22

REFORMING SYSTEM AND REFORMING METHOD

#356
20090253021
2009-10-08

Fuel cell system

#357
20090214909
2009-08-27

Fuel cell with anode exhaust recirculation means

#358
20090208789
2009-08-20

System and method for purging water from a fuel cell stack

#359
20090208785
2009-08-20

SOFC electrochemical anode tail gas oxidizer

#360
20090202877
2009-08-13

Concentration distribution estimation device for impurity in anode side, and fuel cell system using the device

#361
20090197129
2009-08-06

Fuel cell system having decreased deterioration during initiation

#362
20090181271
2009-07-16

Fuel cell system

#363
20090169927
2009-07-02

Fuel cell system

#364
20090155651
2009-06-18

Fuel cell system and generation control device

#365
20090148730
2009-06-11

Fuel cell power generation system, its stopping/safekeeping method and program

#366
20090136804
2009-05-28

Fuel cell system and its temperature adjusting method

#367
20090130508
2009-05-21

Fuel cell system

#368
20090117417
2009-05-07

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

#369
20090110993
2009-04-30

Segmented solid oxide fuel cell stack and methods for operation and use thereof

#370
20090110981
2009-04-30

Fuel Cell System and Operating Method of Fuel Cell System

#371
20090110971
2009-04-30

Method of stopping a solid polymer type fuel cell system

#372
20090110970
2009-04-30

Fuel cell system, control method therefor, and movable body

#373
20090098426
2009-04-16

Fuel cell operation system and valve open amount calculation method in the fuel cell operation system

#374
20090092868
2009-04-09

Fuel cell system and control method thereof

#375
20090087702
2009-04-02

Fuel cell system

#376
20090081502
2009-03-26

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

#377
20090081490
2009-03-26

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

#378
20090061263
2009-03-05

FUEL CELL SYSTEM AND METHOD FOR ESTIMATING OUTPUT CHARACTERISTIC OF FUEL CELL

#379
20090047555
2009-02-19

Fuel cell system

#380
20090044994
2009-02-19

Fuel cell stack flow diversion

#381
20090035630
2009-02-05

Fuel cell system and shutdown method of the same

#382
20090035618
2009-02-05

System and method for recirculating unused fuel in fuel cell application

#383
20090029213
2009-01-29

Method for detecting abnormality in fuel cell

#384
20090017340
2009-01-15

Control method for cold fuel cell system operation

#385
20090011301
2009-01-08

Controlling the Requested Power Output of a Fuel Cell System

#386
20090011289
2009-01-08

Direct oxidation fuel cell systems with regulated fuel concentration and oxidant flow

#387
20080311439
2008-12-18

Fuel cell shut-down procedure including vaporization phase

#388
20080311438
2008-12-18

Fuel cell humidity control system and method

#389
20080278183
2008-11-13

FUEL CELL TEST SYSTEM

#390
20080261092
2008-10-23

Fuel Cell System

#391
20080248351
2008-10-09

Fuel Cell System

#392
20080248341
2008-10-09

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

#393
20080248340
2008-10-09

Fuel cell system

#394
20080241606
2008-10-02

METHOD AND APPARATUS FOR HUMIDIFYING A GAS IN FUEL CELL SYSTEMS

#395
20080226956
2008-09-18

Cold start compressor control and mechanization in a fuel cell system

#396
20080220303
2008-09-11

Fuel cell system supply having a measuring device and a control device

#397
20080206620
2008-08-28

GAS-LIQUID SEPARATION SYSTEM AND FUEL CELL SYSTEM

#398
20080193804
2008-08-14

Power generation control system for fuel cell

#399
20080187790
2008-08-07

Fuel cell system

#400
20080176117
2008-07-24

Fuel Cell System and Fuel Cell System Control Method

#401
20080176116
2008-07-24

Start-up method for fuel cell

#402
20080166611
2008-07-10

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

#403
20080145730
2008-06-19

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

#404
20080145714
2008-06-19

Fuel Cell System and Related Method

#405
20080131743
2008-06-05

Fuel Cell System and Associated Control Method

#406
20080131741
2008-06-05

Fuel cell system

#407
20080124594
2008-05-29

FUEL CELL SYSTEM HAVING RELIABLE AIR SUPPLY LINE

#408
20080118799
2008-05-22

Control device and a control method for a fuel cell system

#409
20080118793
2008-05-22

Fluid flow pulsing for increased stability in PEM fuel cell

#410
20080118783
2008-05-22

Fiber optic based in-situ diagnostics for PEM fuel cells

#411
20080091629
2008-04-17

Controller for fuel cell system

#412
20080081235
2008-04-03

Fuel cell system

#413
20080081225
2008-04-03

Method for managing fuel cell power increases using air flow feedback delay

#414
20080072091
2008-03-20

FUEL CELL BASED BATTERY BACKUP APPARATUS FOR STORAGE SUBSYSTEMS

#415
20080050626
2008-02-28

Control strategy to prevent humidity cycling in a fuel cell

#416
20080038608
2008-02-14

Fuel cell system and method for controlling same

#417
20070287041
2007-12-13

System level adjustments for increasing stack inlet RH

#418
20070248857
2007-10-25

FUEL CELL SYSTEM

#419
20070207353
2007-09-06

Cascaded fuel cell stack operation with anode gas recirculation

#420
20070196705
2007-08-23

Fuel cell system

#421
20070190378
2007-08-16

Direct oxidation fuel cell systems with regulated fuel concentration and oxidant flow

#422
20070184318
2007-08-09

Control apparatus and control method for fuel cell

#423
20070184315
2007-08-09

Control of fuel cell stack electrical operating conditions

#424
20070184314
2007-08-09

Fuel cell system

#425
20070166582
2007-07-19

Fuel cell system

#426
20070141414
2007-06-21

Fuel cell having micro sensors

#427
20070141412
2007-06-21

Sensorless relative humidity control in a fuel cell application

#428
20070138309
2007-06-21

Non-linear cathode inlet/outlet humidity control

#429
20070122663
2007-05-31

Fuel cell system and start up control method for the fuel cell system

#430
20070111058
2007-05-17

Fuel cell system and control method thereof for detecting a chemical short

#431
20070111050
2007-05-17

Fuel-cell system and method of controlling fuel cell

#432
20070099043
2007-05-03

Fuel reaction control device for fuel cell system

#433
20070099040
2007-05-03

Fuel cell system, method of starting fuel cell system

#434
20070072016
2007-03-29

METHODS AND APPARATUS FOR IMPROVING THE COLD STARTING CAPABILITY OF A FUEL CELL

#435
20070065711
2007-03-22

AIR INDEPENDENT POWER PRODUCTION

#436
20070048571
2007-03-01

Fuel cell system

#437
20070031711
2007-02-08

Fuel-cell system and method for scavenging fuel cell

#438
20070026280
2007-02-01

Fuel cell system and method of controlling gas pressure in fuel cell system

#439
20070026277
2007-02-01

Fuel cell system and method

#440
20070026273
2007-02-01

Device and method for controlling fuel cell system with vibration amplitude detection

#441
20070015014
2007-01-18

Fuel cell with control process for reactant pressure and flow

#442
20070003805
2007-01-04

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

#443
20060286418
2006-12-21

Fuel cell system for setting predetermined operation state when substitutional value control is impossible

#444
20060280976
2006-12-14

Fuel cell system

#445
20060263653
2006-11-23

Management via dynamic water holdup estimator in a fuel cell

#446
20060257697
2006-11-16

Fuel cell apparatus and method for downhole power systems

#447
20060251938
2006-11-09

Fuel cell system

#448
20060210849
2006-09-21

Fuel cell system and gas control method

#449
20060208691
2006-09-21

DC power source with fuel cell and electric power storage device

#450
20060207669
2006-09-21

Valve structure and control techniques

#451
20060199051
2006-09-07

Combined heat and power system

#452
20060166058
2006-07-27

Fuel cell system ensuring stability of operation

#453
20060162973
2006-07-27

Hybrid power supply module

#454
20060134480
2006-06-22

A SENSOR ASSEMBLY FOR MEASURING HUMIDITY, PRESSURE AND TEMPERATURE

#455
20060127720
2006-06-15

High temperature protection of hybrid fuel cell system combustor and other components VIA water or water vapor injection

#456
20060127717
2006-06-15

High temperature protection of fuel cell system combustor and other components via water or water vapor injection

#457
20060121325
2006-06-08

Energy-recovery method and device used on board a vehicle comprising a reformer fuel cell

#458
20060115694
2006-06-01

Fuel cell system

#459
20060115693
2006-06-01

Test station for a fuel cell power module

#460
20060088743
2006-04-27

Fuel cell system method and apparatus

#461
20060068240
2006-03-30

Fuel cell system

#462
20060046115
2006-03-02

Fuel cell and fuel cell system

#463
20060046114
2006-03-02

Fuel cell system

#464
20060024551
2006-02-02

Array fuel cell reactors with a switching system

#465
20060024540
2006-02-02

Shared variable-based fuel cell system control

#466
20050263393
2005-12-01

System and method of performing electrochemical tests of solid oxide fuel cells

#467
20050262818
2005-12-01

Integrated systems for use with fuel cells, and methods

#468
20050260480
2005-11-24

Cathode humidification of a PEM fuel cell through exhaust gas recirculation into a positive displacement compressor

#469
20050260463
2005-11-24

Fluid flow pulsing for increased stability in PEM fuel cell

#470
20050249989
2005-11-10

Apparatus and method for hybrid power module systems

#471
20050249988
2005-11-10

Apparatus and method for hybrid power module systems

#472
20050244688
2005-11-03

Power generation control system for fuel cell

#473
20050238934
2005-10-27

Fuel cell stack defrosting

#474
20050233191
2005-10-20

Fuel cell system

#475
20050233182
2005-10-20

Method for real-time monitoring and control of cathode stoichiometry in fuel cell system

#476
20050214605
2005-09-29

Fuel cell system and method of discontinuing same

#477
20050208358
2005-09-22

Solid polymer type fuel cell system for power generation

#478
20050197751
2005-09-08

Control device and method for fuel cell powered vehicle

#479
20050181273
2005-08-18

Method for designing redox flow battery system

#480
20050175871
2005-08-11

Recursive Kalman filter for feedback flow control in PEM fuel cell

#481
20050164047
2005-07-28

Voltage dosimeter-system and method for supplying variable voltage to an electric circuit

#482
20050158614
2005-07-21

System and method for optimizing efficiency and power output from a vanadium redox battery energy storage system

#483
20050147863
2005-07-07

Fuel supply system for fuel cell system designed to ensure stability in regulating flow rate of recirculated off-gas

#484
20050136301
2005-06-23

Monitoring fuel cells using RFID devices

#485
20050118475
2005-06-02

Reaction gas supply apparatus and method for fuel cell

#486
20050118467
2005-06-02

Fuel cell system and control method for fuel cell

#487
20050112419
2005-05-26

Controlling solid oxide fuel cell operation

#488
20050100768
2005-05-12

Fuel cell system and method for discharging reaction gas from fuel cell

#489
20050075816
2005-04-07

System and method for controlling a fuel cell testing device

#490
20050069739
2005-03-31

Battery unit and power supply control method

#491
20050058863
2005-03-17

Enhanced high efficiency fuel cell/turbine power plant

#492
20050053810
2005-03-10

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

#493
15195572
2016-10-18

Methods and apparatuses relating to zinc-air batteries