ClassID:

213521

H01M8/04731 - 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 variables to be controlled; Temperature of other components of a fuel cell or fuel cell stacks

Recent Application in this class:
#1
20260112666
2026-04-23

FUEL CELL SYSTEM

#2
20260106193
2026-04-16

FUEL CELL SYSTEM AND METHOD FOR CONTROLLING A HEATING CURRENT FOR TEMPERATURE CONTROL OF A FUEL CELL STACK OF A FUEL CELL SYSTEM

#3
20260005273
2026-01-01

SYSTEM AND METHOD FOR THERMALLY REGULATING A SOLID OR POLYMER ELECTROLYTE IN AN ELECTROCHEMICAL DEVICE

#4
20260005272
2026-01-01

FUEL CELL SYSTEM CONTAINING CATALYST BASED FUEL CONTAMINATION SENSOR AND METHOD OF OPERATING THEREOF

#5
20250323293
2025-10-16

FUEL CELL SYSTEM

#6
20250286092
2025-09-11

FUEL CELL VEHICLE AND A METHOD OF CONTROLLING TEMPERATURE THEREOF

#7
20250286087
2025-09-11

FUEL CELL COOLING SYSTEM

#8
20250266480
2025-08-21

SOLID OXIDE FUEL CELL SYSTEM CHROMIUM POISONING PREVENTION MATERIALS

#9
20250192207
2025-06-12

FUEL CELL POWER SYSTEM

#10
20250183331
2025-06-05

ELECTRICAL CONNECTION ASSEMBLY, AND METHOD FOR MAKING ELECTRICAL CONTACT AND FOR HEATING A BIPOLAR PLATE OF A FUEL CELL

#11
20250015327
2025-01-09

FUEL CELL SYSTEM HAVING STACK VOLTAGE CONTROL BASED FREEZE STARTUP STRATEGY

#12
20240347743
2024-10-17

FUEL CELL THERMAL MANAGEMENT SYSTEM AND METHOD OF CONTROLLING THE SAME

#13
20240347742
2024-10-17

HYDROGEN FUEL CELL COOLING

#14
20240291000
2024-08-29

GAS TURBINE ENGINE AND FUEL CELL ASSEMBLY

#15
20240266567
2024-08-08

ELECTROCHEMICAL CELL MAGNETIC ELECTROCATALYST

#16
20240250280
2024-07-25

Hydrogen supply system, fuel cell system, and working machine including hydrogen supply system and fuel cell system

#17
20240213581
2024-06-27

Fuel cell-battery system and control method thereof

#18
20240162457
2024-05-16

FUEL CELL SYSTEM AND A FUEL CELL SYSTEM CONTROL METHOD

#19
20240145739
2024-05-02

FUEL CELL VEHICLE AND METHOD OF COOLING THE SAME

#20
20240047719
2024-02-08

TEMPERATURE CONTROL SYSTEM FOR FUEL CELL AND TEMPERATURE CONTROL METHOD THEREOF

#21
20240047712
2024-02-08

COOLING SYSTEM FOR FUEL CELL

#22
20230402625
2023-12-14

SYSTEM AND METHOD FOR COOLING A FUEL CELL ASSEMBLY

#23
20230317979
2023-10-05

FUEL CELL, SYSTEM COMPRISING A FUEL CELL AND METHOD FOR CONTROLLING THE SYSTEM

#24
20230307674
2023-09-28

FUEL CELL SYSTEM

#25
20230290977
2023-09-14

PERFORMANCE EVALUATION APPARATUS OF FUEL CELL ELECTRODE

#26
20230268536
2023-08-24

FUEL CELL VEHICLE FREEZE START UP INHIBITION

#27
20230253582
2023-08-10

HEAT INSULATION STRUCTURE FOR HIGH-TEMPERATURE REACTION ROOM

#28
20230213242
2023-07-06

WATER TANK HEATING METHOD AND UNIT, ELECTRONIC DEVICE AND SOFC SYSTEM

#29
20230187670
2023-06-15

FUEL CELL BASED POWER GENERATOR

#30
20230084323
2023-03-16

Method for controlling fuel cell device

#31
20230063702
2023-03-02

Apparatus for Controlling Moisture Content of Fuel Cell Unit

#32
20230055849
2023-02-23

FUEL CELL SYSTEM CONTAINING CATALYST BASED FUEL CONTAMINATION SENSOR AND METHOD OF OPERATING THEREOF

#33
20230050595
2023-02-16

Integrated cooling module of fuel cell stack and thermal management system including integrated cooling module

#34
20230028037
2023-01-26

FUEL TANK HEAT DISSIPATION SYSTEM FOR FUEL CELL COOLING

#35
20230021098
2023-01-19

Hydrogen supply system, fuel cell system, and working machine including hydrogen supply system and fuel cell system

#36
20220356848
2022-11-10

Integrated fuel cell and engine combustor assembly

#37
20220356847
2022-11-10

Integrated fuel cell and engine combustor assembly

#38
20220181721
2022-06-09

Fuel cell-battery system and control method thereof

#39
20220166036
2022-05-26

Fuel cell vehicle and method of operating the same

#40
20220131169
2022-04-28

Heat treatment apparatus of MEA for fuel cell

#41
20220077477
2022-03-10

Unit Cell for Fuel Cell and Fuel Cell Stack Including Same

#42
20210376347
2021-12-02

Fuel cell system and control method for fuel cell system

#43
20210349152
2021-11-11

Grid islanded fuel cell installation for data center load

#44
20210249673
2021-08-12

FUEL CELL UNIT

#45
20210151783
2021-05-20

INTEGRATED HYDROGEN-ELECTRIC ENGINE

#46
20210135260
2021-05-06

Fuel cell, control method for fuel cell, and computer readable recording medium

#47
20210119242
2021-04-22

Fuel cell

#48
20210111419
2021-04-15

Control device for power converter and fuel cell system

#49
20210057772
2021-02-25

Solid oxide fuel cell

#50
20210028468
2021-01-28

Fuel cell system and method of operating same

#51
20200403255
2020-12-24

CPOX reactor control system and method

#52
20200395623
2020-12-17

Fuel cell device

#53
20200388865
2020-12-10

Air-cooled fuel-cell freeze-protection system

#54
20200295390
2020-09-17

Fuel cell based power generator

#55
20200203741
2020-06-25

Management system, management method, control apparatus, and power generation apparatus

#56
20200168931
2020-05-28

Cell structure for fuel cell and fuel cell system

#57
20200153017
2020-05-14

Heat treatment apparatus of MEA for fuel cell

#58
20200127305
2020-04-23

Energy conversion system

#59
20200099070
2020-03-26

Fuel cell system

#60
20200075977
2020-03-05

System and method for maintaining insulation resistance of fuel cell

#61
20200052313
2020-02-13

Fuel cell system

#62
20200044269
2020-02-06

Fuel cell system

#63
20200036021
2020-01-30

Fuel cell system

#64
20200023727
2020-01-23

Vehicle emergency battery switch

#65
20190379073
2019-12-12

Fuel cell system

#66
20190379072
2019-12-12

Fuel cell system

#67
20190379071
2019-12-12

Starting burner for a fuel cell system

#68
20190372136
2019-12-05

Fuel cell system and controlling method of same

#69
20190312290
2019-10-10

Humidifying and cooling apparatus for fuel cell

#70
20190288316
2019-09-19

Solid oxide fuel cell system

#71
20190273271
2019-09-05

Hydrogen storage unit and fuel cell system

#72
20190267647
2019-08-29

FUEL CELL DEVICE

#73
20190229353
2019-07-25

Fuel cell stack

#74
20190204391
2019-07-04

Grid islanded fuel cell installation for data center load

#75
20190198895
2019-06-27

Fuel cell system

#76
20190165396
2019-05-30

Cooling system dT/dt based control

#77
20190165394
2019-05-30

Equation based cooling system control strategy/method

#78
20190165386
2019-05-30

Fuel cell assembly including multiple flow capacities in a condensation zone

#79
20190157695
2019-05-23

Fuel cell system and method of controlling fuel cell system

#80
20190074531
2019-03-07

Fuel cell device

#81
20190058203
2019-02-21

Shutdown and storage method for fuel cell system at below freezing temperatures

#82
20190044163
2019-02-07

FUEL CELL AND ASSOCIATED HEATING SYSTEM

#83
20190006689
2019-01-03

Fuel cell system and method of controlling fuel cell system

#84
20180375138
2018-12-27

Method of and apparatus for producing membrane electrode assembly

#85
20180375119
2018-12-27

Inspection method for fuel cell stack

#86
20180358639
2018-12-13

Fuel cell system and control method for fuel cell system

#87
20180331379
2018-11-15

Fuel cell, control method for fuel cell, and computer readable recording medium

#88
20180323453
2018-11-08

Fuel cell architectures, thermal systems, and control logic for efficient heating of fuel cell stacks

#89
20180294490
2018-10-11

High-temperature operating fuel cell system

#90
20180254497
2018-09-06

Fuel cell provided with a temperature-control system and method for thermal control of the cell

#91
20180248210
2018-08-30

Fuel cell system and fuel cell control method

#92
20180248204
2018-08-30

Bipolar plate and a fuel cell stack comprising same

#93
20180241058
2018-08-23

Fuel cell vehicle

#94
20180236894
2018-08-23

Fuel cell vehicle and control method thereof

#95
20180233754
2018-08-16

FUEL CELL STACK

#96
20180210019
2018-07-26

Multichannel fuel cell test station

#97
20180201154
2018-07-19

VEHICLE

#98
20180198138
2018-07-12

FUEL CELL DEVICE HAVING A FUEL CELL STACK INCLUDING A THERMALLY INSULATED CONTAINER AND METHOD FOR OPERATING A FUEL CELL DEVICE

#99
20180191009
2018-07-05

CPOX reactor control system and method

#100
20180170210
2018-06-21

Apparatus for controlling temperature of fuel cell and method thereof

#101
20180108925
2018-04-19

Apparatus and method for diagnosing state of fuel cell stack

#102
20170365868
2017-12-21

Fuel cell system and method of controlling the same

#103
20170346106
2017-11-30

Device intended to generate electricity from a planar fuel cell cooled by air flow

#104
20170331124
2017-11-16

Apparatus for removing moisture of stack enclosure

#105
20170317367
2017-11-02

HIGH-TEMPERATURE OPERATING FUEL CELL SYSTEM AND METHOD FOR OPERATING HIGH-TEMPERATURE OPERATING FUEL CELL SYSTEM

#106
20170301936
2017-10-19

Method and apparatus for operating a solid-oxide fuel cell stack with a mixed ionic/electronic conducting electrolyte

#107
20170250427
2017-08-31

Fuel battery system and control method for fuel battery system

#108
20170222240
2017-08-03

Burner evaporator for a fuel cell system

#109
20170214069
2017-07-27

Fuel cell system and control method for fuel cell system

#110
20170179516
2017-06-22

Electrolytes for iron flow battery

#111
20170179508
2017-06-22

FUEL CELL APPARATUS

#112
20170166082
2017-06-15

Control method of cooling water pump of fuel cell vehicle

#113
20170098839
2017-04-06

Determination of a spatial distribution of the catalytic activity of an electrochemical-cell electrode

#114
20170098838
2017-04-06

Determination of a spatial distribution of the permeability of an electrochemical - cell electrode

#115
20170062847
2017-03-02

FUEL CELL WITH OXYGEN TRANSPORT MEMBRANE

#116
20170040628
2017-02-09

Transition arrangement and process of a fuel cell system operation state

#117
20170033378
2017-02-02

Method and system for controlling start of fuel cell

#118
20170012310
2017-01-12

Cooling system and operating method of cooling system

#119
20170008420
2017-01-12

Driving control method and system of fuel cell vehicle

#120
20160380283
2016-12-29

Fuel cell system

#121
20160372764
2016-12-22

METAL-AIR BATTERY APPARATUS AND OPERATION METHOD THEREOF

#122
20160293983
2016-10-06

Operation control method and system of fuel cell

#123
20160248111
2016-08-25

Carbon dioxide separator, fuel cell system including same, and method of operating the fuel cell system

#124
20160211537
2016-07-21

Active cathode temperature control for metal-air batteries

#125
20160181637
2016-06-23

Fuel cell system

#126
20160156049
2016-06-02

Method and apparatus for controlling fuel concentration of liquid fuel cell by sensor-less and voltage amplitude-control based feed-back control, and liquid fuel cell apparatus using the same

#127
20160141647
2016-05-19

Fuel cell system and control method for fuel cell system

#128
20160141645
2016-05-19

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

#129
20160126565
2016-05-05

System and method for controlling temperature of fuel cell stack

#130
20160087290
2016-03-24

Fuel cell device

#131
20160020476
2016-01-21

Operational control of fuel cells

#132
20160006059
2016-01-07

DRIVING CONTROL METHOD AND SYSTEM OF FUEL CELL SYSTEM

#133
20150344304
2015-12-03

Reducing gas generators and methods for generating reducing gas

#134
20150333346
2015-11-19

Fuel cell stack

#135
20150263355
2015-09-17

Fuel cell and method for operating the fuel cell

#136
20150200409
2015-07-16

Management system, management method, control apparatus, and power generation apparatus

#137
20150188167
2015-07-02

Apparatus for controlling fuel cell heating value

#138
20150140459
2015-05-21

Fuel cell system and method for controlling fuel cell system

#139
20150125767
2015-05-07

Fuel cell system and control method for the same

#140
20150064589
2015-03-05

Fuel cell system and its control method

#141
20150044587
2015-02-12

SOLID OXIDE FUEL CELL SYSTEM

#142
20150044582
2015-02-12

FUEL CELL SYSTEM

#143
20150037697
2015-02-05

Power conversion system

#144
20150024287
2015-01-22

Cathode temperature regulation for metal-air batteries

#145
20150024286
2015-01-22

Active cathode temperature control for metal-air batteries

#146
20150004510
2015-01-01

High temperature steam electrolysis facility (HTSE) with allothermal hydrogen production

#147
20140349201
2014-11-27

Fuel cell assembly and method of control

#148
20140349144
2014-11-27

Fuel cell system and method for driving same

#149
20140342259
2014-11-20

Fuel cell system

#150
20140315114
2014-10-23

Method and regulation apparatus for operating a fuel cell or a fuel cell stack

#151
20140272649
2014-09-18

Apparatus and method for heating a fuel cell stack

#152
20140250934
2014-09-11

Cooling system for eco-friendly vehicle

#153
20140250933
2014-09-11

COOLING SYSTEM FOR ECO-FRIENDLY VEHICLE

#154
20140242490
2014-08-28

Energy management system, energy management apparatus, and power management method

#155
20140162160
2014-06-12

Fuel cell failure prediction apparatus

#156
20140120382
2014-05-01

Fuel cell device

#157
20140017585
2014-01-16

Cooling system for a fuel cell

#158
20130323539
2013-12-05

Fuel cell system and fuel cell system control method

#159
20130260266
2013-10-03

Fast MEA break-in and voltage recovery

#160
20130136953
2013-05-30

Fuel cell device

#161
20130065091
2013-03-14

Fuel cell system, and control method for fuel cell system

#162
20130052554
2013-02-28

Fuel cell system and method of reducing decrease in power generation efficiency of fuel cell

#163
20130052553
2013-02-28

High pressure gas supply system and fuel cell system

#164
20130052548
2013-02-28

Process for operating a high temperature fuel cell stack

#165
20130040219
2013-02-14

Fuel cell system

#166
20130034782
2013-02-07

Fuel Cell System and Method of Operating the fuel Cell System

#167
20130029235
2013-01-31

Fuel cell system and method of controlling the fuel cell system

#168
20130017458
2013-01-17

FUEL CELL SYSTEM AND OPERATION METHOD THEREOF

#169
20120178008
2012-07-12

Fuel cell system and method of controlling reaction condition of fuel in fuel cell

#170
20120148933
2012-06-14

Fuel cell device

#171
20120141895
2012-06-07

System and method for controlling operation of fuel cell hybrid system by switching to battery power in response to idle stop condition

#172
20120088169
2012-04-12

Fuel cell system

#173
20120028153
2012-02-02

Solid oxide fuel cell

#174
20120028151
2012-02-02

METHOD FOR FUEL CELL SYSTEM CONTROL AND A FUEL CELL SYSTEM USING THE SAME

#175
20120021321
2012-01-26

Fuel cell system

#176
20120021319
2012-01-26

Solid oxide fuel cell device

#177
20120015273
2012-01-19

Solid oxide fuel cell

#178
20120015269
2012-01-19

Fuel cell system

#179
20120012783
2012-01-19

Reducing gas generators and methods for generating reducing gas

#180
20120012782
2012-01-19

Reducing gas generators and methods for generating a reducing gas

#181
20110274992
2011-11-10

Water content estimation apparatus for fuel cell and fuel cell system

#182
20110269035
2011-11-03

FUEL CELL SYSTEM AND OPERATING METHOD THEREOF

#183
20110256460
2011-10-20

FUEL CELL POWER GENERATION SYSTEM AND METHOD FOR OPERATING THE SAME

#184
20110223500
2011-09-15

MCFC POWER GENERATION SYSTEM AND METHOD FOR OPERATING SAME

#185
20110171500
2011-07-14

Power generating system and control method for the same

#186
20110159393
2011-06-30

Vehicle fuel cell cooling system

#187
20110140547
2011-06-16

Fuel cell system and electronic device

#188
20110132017
2011-06-09

Cooling system for eco-friendly vehicle

#189
20110123884
2011-05-26

METHOD FOR CONTROLLING A FUEL CELL SYSTEM DURING SHUTDOWN

#190
20110059377
2011-03-10

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

#191
20110054692
2011-03-03

Reformer and control method therefor

#192
20110027670
2011-02-03

APPARATUS FOR GENERATING ELECTRICITY FROM A CHEMICAL HYDRIDE

#193
20110020719
2011-01-27

Fuel cell system and method of controlling the same

#194
20110014547
2011-01-20

Method for storing a fuel cell at freezing temperature

#195
20100305762
2010-12-02

System and method of altering temperature of an electrical energy storage device or an electrochemical energy generation device using microchannels

#196
20100304257
2010-12-02

System and method of operating an electrical energy storage device or an electrochemical energy generation device using microchannels and high thermal conductivity materials

#197
20100304256
2010-12-02

Method of operating an electrical energy storage device using microchannels during charge and discharge

#198
20100304255
2010-12-02

System and method of operating an electrical energy storage device or an electrochemical energy generation device, during charge or discharge using microchannels and high thermal conductivity materials

#199
20100304252
2010-12-02

System for altering temperature of an electrical energy storage device or an electrochemical energy generation device using microchannels based on states of the device

#200
20100273077
2010-10-28

Fuel cell, fuel cell system, and method for operating fuel cell

#201
20100261094
2010-10-14

Apparatus for containing metal-organic frameworks

#202
20100255396
2010-10-07

Fuel cell system

#203
20100248049
2010-09-30

Fuel cell system with interruption control

#204
20100233560
2010-09-16

FUEL CELL SYSTEM

#205
20100227242
2010-09-09

Fuel cell system, and operation method for fuel cell

#206
20100221624
2010-09-02

Fuel cell system

#207
20100221622
2010-09-02

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

#208
20100221621
2010-09-02

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

#209
20100203409
2010-08-12

Fuel cell system and its control method

#210
20100203405
2010-08-12

Fuel cell system and method of operating the fuel cell system

#211
20100159339
2010-06-24

Apparatus and method for heating fuel cells

#212
20100104908
2010-04-29

Fuel cell system and operating method thereof

#213
20100104902
2010-04-29

Fuel cell system

#214
20100086811
2010-04-08

Controlling an amount of liquid within a fuel cell

#215
20100047630
2010-02-25

Fuel cell system and its operation method

#216
20100035097
2010-02-11

Fuel cell stack used as coolant heater

#217
20100035095
2010-02-11

Fuel cell system

#218
20100028732
2010-02-04

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

#219
20100003568
2010-01-07

Fuel-cell and fuel cell system including the same

#220
20090325013
2009-12-31

Fuel cell system

#221
20090321271
2009-12-31

Method of Pumping Combustible Gas

#222
20090321265
2009-12-31

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

#223
20090305099
2009-12-10

Startup reliability using HFR measurement

#224
20090291333
2009-11-26

REACTION PRODUCT CONTROL SYSTEM AND PROCESS FOR CONTROLLING A REACTION PRODUCT IN A FUEL CELL

#225
20090274940
2009-11-05

FUEL CELL AND FUEL CELL SYSTEM

#226
20090253007
2009-10-08

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

#227
20090252995
2009-10-08

FUEL CELL WITH OXYGEN TRANSPORT MEMBRANE

#228
20090233127
2009-09-17

FUEL CELL SYSTEM

#229
20090214909
2009-08-27

Fuel cell with anode exhaust recirculation means

#230
20090208793
2009-08-20

Hybrid type power supplying apparatus

#231
20090191437
2009-07-30

Fuel cell system

#232
20090136804
2009-05-28

Fuel cell system and its temperature adjusting method

#233
20090130500
2009-05-21

METHOD OF OPERATING A FUEL CELL STACK AT LOW PRESSURE AND LOW POWER CONDITIONS

#234
20090123797
2009-05-14

Efficient micro fuel cell systems and methods

#235
20090123788
2009-05-14

Fuel cell system and operating method thereof

#236
20090092861
2009-04-09

INTEGRATED FUEL CELL CONTROLLER FOR DEVICES

#237
20090081490
2009-03-26

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

#238
20090081489
2009-03-26

On-line system identification and control of fuel cell humidification via HFR measurements

#239
20090075124
2009-03-19

High temperature fuel cell system with an electrical heater

#240
20090068520
2009-03-12

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

#241
20090035613
2009-02-05

Fuel cell system

#242
20090029210
2009-01-29

Low-Temperature Fuel-Cell Stack and Method of Operating Same

#243
20080280167
2008-11-13

FUEL CELL STACK PERFORMANCE MONITORING

#244
20080248342
2008-10-09

SOLID OXIDE FUEL CELL POWER GENERATION APPARATUS AND POWER GENERATION METHOD THEREOF

#245
20080241629
2008-10-02

Fuel cell having fuel tank directly attached to anode allowing pump-free fuel delivery

#246
20080238355
2008-10-02

FUEL CELL SYSTEM AND OPERATION METHOD THEREFOR

#247
20080210812
2008-09-04

Fuel cell emergency system

#248
20080187803
2008-08-07

Wax elements as passive control devices in fuel cell power systems

#249
20080187787
2008-08-07

Fuel cell stack end cell control methodology

#250
20080176122
2008-07-24

Fuel cell system

#251
20080171241
2008-07-17

MICRO FUEL CELL SYSTEM START UP AND SHUT DOWN SYSTEMS AND METHODS

#252
20080166609
2008-07-10

Fuel cell system

#253
20080160361
2008-07-03

Fuel cell system and operation method thereof

#254
20080145714
2008-06-19

Fuel Cell System and Related Method

#255
20080131741
2008-06-05

Fuel cell system

#256
20080050621
2008-02-28

Managing MEA hydration cycling life

#257
20080044694
2008-02-21

Fuel cell system and method of operating the same

#258
20080038601
2008-02-14

EFFICIENT MICRO FUEL CELL SYSTEMS AND METHODS

#259
20080026269
2008-01-31

System for generating electricity from a chemical hydride

#260
20080008914
2008-01-10

Portable fuel cell system

#261
20070298297
2007-12-27

Stack end cell heater control methodology

#262
20070298289
2007-12-27

Fuel cell system water management strategy for freeze capability

#263
20070292724
2007-12-20

System and method to start a fuel cell stack during a cold-start condition

#264
20070287041
2007-12-13

System level adjustments for increasing stack inlet RH

#265
20070279051
2007-12-06

Fuel Cell Current Distribution Measuring Equipment and Fuel Cell Current Distribution Measuring Method

#266
20070275281
2007-11-29

Fuel cell thermal management system

#267
20070269694
2007-11-22

Temperature zones in a solid oxide fuel cell auxiliary power unit

#268
20070231639
2007-10-04

Fuel-cell electric vehicle

#269
20070224470
2007-09-27

Modular fuel cell

#270
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2007-08-30

Fuel cell system and fuel cell system failure judgment method

#271
20070196708
2007-08-23

Fuel cell system and activation method of fuel cell

#272
20070184315
2007-08-09

Control of fuel cell stack electrical operating conditions

#273
20070154745
2007-07-05

Purging a fuel cell system

#274
20070148507
2007-06-28

Switching modes of operation of a fuel cell

#275
20070128488
2007-06-07

Fuel cell system

#276
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2007-06-07

Apparatus and method for heating fuel cells

#277
20070128476
2007-06-07

Method and apparatus for controlling a combined heat and power fuel cell system

#278
20070122662
2007-05-31

Method of operating a fuel cell stack

#279
20070119863
2007-05-31

Aeroplane drink dispenser

#280
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2007-05-03

Fuel cell with IC components

#281
20070042248
2007-02-22

EXTINGUISHING SYSTEM FOR FUEL CELL

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20070042243
2007-02-22

Apparatus and method for controlling a fuel cell using the rate of voltage recovery

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2007-02-22

Fuel cell system

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20070026278
2007-02-01

Fuel cell system and charge amount adjustment method for energy storage

#285
20070022825
2007-02-01

Fuel cell system having fluidic oscillation flow meter

#286
20060251943
2006-11-09

Polymer electrolyte fuel cell power generation system

#287
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2006-11-09

Arrangement and method for the generation of water on board an aircraft

#288
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2006-10-05

Direct-methanol fuel cell system and method for controlling the same

#289
20060199053
2006-09-07

Fuel cell system

#290
20060188766
2006-08-24

Fuel cell system and method of controlling same

#291
20060172159
2006-08-03

Method for regeneration of performance in a fuel cell

#292
20060154119
2006-07-13

Method for regeneration of performance in a fuel cell

#293
20060141308
2006-06-29

Apparatus and method for variable conductance temperature control

#294
20060127713
2006-06-15

Temperature zones in a solid oxide fuel cell auxiliary power unit

#295
20060125441
2006-06-15

Nonlinear thermal control of a PEM fuel cell stack

#296
20060121322
2006-06-08

Systems and methods for fuel cell shutdown

#297
20060088743
2006-04-27

Fuel cell system method and apparatus

#298
20060088738
2006-04-27

Fuel cell system and control method

#299
20060073367
2006-04-06

Fuel cell system

#300
20060068242
2006-03-30

Electric power source apparatus using fuel cell and method of controlling the same