ClassID:

213440

H01M8/04126 - 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

Sub-classes:
Recent Application in this class:
#1
20260005270
2026-01-01

Fuel Cell Vehicle

#2
20250391893
2025-12-25

LARGE PROTON EXCHANGE MEMBRANE FUEL CELL POWER STATION PROCESS SYSTEM

#3
20250385286
2025-12-18

POST HUMIDIFIER FUEL CELL STACK HUMIDIFICATION SYSTEM

#4
20250372677
2025-12-04

Fuel Cell Vehicle and Method of Controlling Same

#5
20250372672
2025-12-04

FUEL CELL SYSTEM

#6
20250266474
2025-08-21

LOW HYDROGEN PERMEATING FLEXIBLE BARRIER HOSE FOR ANODE WET LINE IN FUEL CELL SYSTEM

#7
20250260032
2025-08-14

Multi-Fuel Cell System and Control Method Thereof

#8
20250253366
2025-08-07

Fuel Cell Electric Power System and Method Having Heat Exchanger Bypass

#9
20250246647
2025-07-31

MEMBRANE ELECTRODE STRUCTURE FOR FUEL CELL AND FUEL CELL SYSTEM

#10
20250192208
2025-06-12

FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME

#11
20250192206
2025-06-12

HUMIDIFIER LEAK DIAGNOSIS SYSTEM AND METHOD FOR A FUEL CELL SYSTEM

#12
20250192204
2025-06-12

FUEL CELL SYSTEM DUST DETECTION AND EXHAUST

#13
20250192203
2025-06-12

DEVICE AND METHOD FOR CONDITIONING AND PURGING AN ANODE OF A FUEL CELL STACK

#14
20250183335
2025-06-05

FUEL CELL SYSTEM

#15
20250170534
2025-05-29

HUMIDIFICATION SYSTEM AND METHOD FOR A PROCESS GAS

#16
20250167265
2025-05-22

FUEL CELL STACK ARRANGEMENT AND A METHOD FOR TREATMENT OF CATHODE INTAKE AIR

#17
20250158092
2025-05-15

AIR-COOLED FUEL CELL SYSTEM AND METHOD FOR OPERATING SAME

#18
20250121739
2025-04-17

PROACTIVE ENERGY AND THERMAL MANAGEMENT FOR FUEL CELL VEHICLE

#19
20250105322
2025-03-27

SYSTEMS AND METHODS OF FUEL CELL HUMIDIFIER LEAK DETECTION

#20
20250070197
2025-02-27

Droplet Removing Apparatus

#21
20250070196
2025-02-27

TESTING APPARATUS AND TESTING SYSTEM FOR FUEL CELL STACK

#22
20250033007
2025-01-30

AIR HUMIDIFIER, METHOD FOR OPERATING AN AIR HUMIDIFIER, AND SYSTEM HAVING AT LEAST ONE AIR HUMIDIFIER

#23
20250030015
2025-01-23

DETERMINATION METHOD AND FUEL CELL SYSTEM

#24
20250006958
2025-01-02

Intelligent Buffered Fuel Cell With Low Impedance

#25
20240413361
2024-12-12

MOISTURE-GENERATING DEVICE FOR A FUEL CELL, AND METHOD FOR OPERATING A MOISTURE-GENERATING DEVICE

#26
20240405237
2024-12-05

FUEL CELL SYSTEM AND METHOD OF OPERATING A FUEL CELL SYSTEM

#27
20240379975
2024-11-14

MODULAR FUEL CELL SYSTEM

#28
20240375065
2024-11-14

MOISTURE-GENERATING DEVICE FOR A FUEL CELL, AND METHOD FOR OPERATING A MOISTURE-GENERATING DEVICE

#29
20240339645
2024-10-10

FUEL CELL STACK, AND FUEL CELL SYSTEM HAVING A FUEL CELL STACK

#30
20240332564
2024-10-03

HUMIDIFIER

#31
20240322196
2024-09-26

FUEL CELL MEMBRANE HUMIDIFIER

#32
20240270075
2024-08-15

A SYSTEM, A METHOD OF CONTROLLING A SYSTEM, AND A VEHICLE COMPRISING A SYSTEM

#33
20240243329
2024-07-18

ELECTROCHEMICAL HYDROGEN COMPRESSION SYSTEM

#34
20240243316
2024-07-18

METHOD FOR REGULATING THE PLATINUM OXIDE FRACTION IN A FUEL CELL, AND FUEL CELL SYSTEM FOR A MOTOR VEHICLE

#35
20240243314
2024-07-18

ELECTROCHEMICAL HYDROGEN COMPRESSION SYSTEM

#36
20240234755
2024-07-11

HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM

#37
20240178415
2024-05-30

DEVICE FOR SEPARATING AND COLLECTING WATER FROM A GAS STREAM, FUEL CELL SYSTEM, AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#38
20240170695
2024-05-23

FUEL CELL WITH INTEGRATED BALANCE OF PLANT COMPONENTS

#39
20240162460
2024-05-16

PROCESS FOR ACTIVATING A FUEL CELL

#40
20240136547
2024-04-25

HYBRID HYDROGEN FUEL CELL COMBUSTOR POWER SYSTEM

#41
20240120515
2024-04-11

FUEL CELL SYSTEM

#42
20240097162
2024-03-21

FUEL CELL SYSTEM

#43
20240088415
2024-03-14

FUEL CELL SYSTEM AND CONTROL METHOD FOR FUEL CELL SYSTEM

#44
20240079619
2024-03-07

FUEL CELL SYSTEM

#45
20240072288
2024-02-29

FUEL CELL SYSTEM

#46
20240072285
2024-02-29

ENERGY STORING ELECTRICITY GENERATOR

#47
20240072274
2024-02-29

Computer-implemented method for estimating a state of health of a humidifier of a fuel cell system for a vehicle

#48
20240072273
2024-02-29

COMPUTER-IMPLEMENTED METHOD FOR DETERMINING A DEGRADATION STATE OF A TURBO AND/OR A HUMIDIFIER OF A FUEL CELL SYSTEM

#49
20240063405
2024-02-22

FUEL CELL ASSEMBLY HAVING TWO PARALLEL FUEL CELL SYSTEMS

#50
20240055624
2024-02-15

FUEL CELL SYSTEM HAVING IMPROVED HUMIDIFICATION

#51
20240047721
2024-02-08

FUEL CELL SYSTEM AND METHOD OF CONTROLLING SHUTDOWN THEREOF

#52
20240006639
2024-01-04

FUEL CELL SYSTEM

#53
20230411646
2023-12-21

FUEL CELL POWER SYSTEM FOR A VEHICLE

#54
20230390790
2023-12-07

ELECTROSTATIC SPRAY NOZZLE FILM AND ELECTROSTATIC SPRAY SYSTEM INCLUDING SAME

#55
20230387432
2023-11-30

METHOD FOR ASCERTAINING THE RELATIVE HUMIDITY AT A CATHODE INLET OF A FUEL CELL STACK OF A FUEL CELL SYSTEM

#56
20230361320
2023-11-09

GASKET ASSEMBLY AND FUEL CELL MEMBRANE HUMIDIFIER INCLUDING SAME

#57
20230352702
2023-11-02

Hydrogen generation using a fuel cell system with an REP

#58
20230327150
2023-10-12

AIR SUPPLY DEVICE

#59
20230317992
2023-10-05

FUEL CELL SYSTEM

#60
20230317984
2023-10-05

FUEL CELL SYSTEM

#61
20230299317
2023-09-21

Multi-fuel cell system and control method thereof

#62
20230290970
2023-09-14

FUEL CELL SYSTEM

#63
20230282849
2023-09-07

FUEL CELL SYSTEM

#64
20230268532
2023-08-24

A Hydrogen Generation Electricity System for Producing Electricity from Hydrogen Using a Hydrogen Carrier Substance and a Method for Operating the Hydrogen Generation Electricity System

#65
20230261218
2023-08-17

CATHODE CIRCULATION SYSTEM OF FUEL CELL AND ITS CONTROL METHOD

#66
20230261217
2023-08-17

ANODE RECOVERY SYSTEM OF FUEL CELL

#67
20230253605
2023-08-10

FUEL CELL SYSTEM

#68
20230231163
2023-07-20

RANGE EXTENSION SYSTEM

#69
20230197988
2023-06-22

FUEL CELL SYSTEM

#70
20230197986
2023-06-22

HUMIDIFIER FOR FUEL CELL

#71
20230191319
2023-06-22

LOW TEMPERATURE ELECTROCHEMICAL SYSTEM FOR HYDROGEN PURIFICATION AND PRESSURIZATION

#72
20230170500
2023-06-01

Fuel cell apparatus

#73
20230170499
2023-06-01

Open-cathode-type fuel cell system and aerial vehicle using the same

#74
20230104149
2023-04-06

SYSTEMS AND METHODS FOR CONTROLLING AND MONITORING A FUEL CELL STACK USING CATHODE EXHAUST HUMIDITY

#75
20230063702
2023-03-02

Apparatus for Controlling Moisture Content of Fuel Cell Unit

#76
20230056450
2023-02-23

FUEL CELL REGENERATION

#77
20230043265
2023-02-09

Cathode subsystem cooling and humidification for a fuel cell system

#78
20230043105
2023-02-09

Fuel cell system and exhaust gas treatment device

#79
20230030199
2023-02-02

Air supply system and air supply method for fuel cell

#80
20230026964
2023-01-26

Fuel device and the use thereof in a motor vehicle

#81
20230024443
2023-01-26

EVAPORATION WATER TANK FOR A FUEL CELL DEVICE AND THE USE THEREOF IN A FUEL CELL DEVICE

#82
20230012347
2023-01-12

FUEL CELL SYSTEM

#83
20230010307
2023-01-12

LARGE PROTON EXCHANGE MEMBRANE FUEL CELL POWER STATION PROCESS SYSTEM

#84
20230006223
2023-01-05

Methods and Apparatus for Mold Mitigation in Fuel Cell Humidifiers

#85
20220416280
2022-12-29

Power-to-X system with an optimized hydrogen drying and purifying process

#86
20220399557
2022-12-15

Method for operating a fuel cell system, control device, and fuel cell system

#87
20220393206
2022-12-08

System for supplying compressed air to a fuel cell system

#88
20220367886
2022-11-17

GASKET ASSEMBLY AND FUEL CELL HUMIDIFIER COMPRISING SAME

#89
20220352530
2022-11-03

FUEL CELL SYSTEM WITH A VENTILATION LINE AND/OR A COMPRESSOR VENTILATION LINE, METHOD FOR VENTILATING A HOUSING OF A FUEL CELL SYSTEM AND VEHICLE

#90
20220344684
2022-10-27

Cartridge of fuel cell humidifier and fuel cell humidifier

#91
20220320540
2022-10-06

FUEL CELL SYSTEM AND CONDENSATE WATER STORAGE DEVICE

#92
20220311032
2022-09-29

Fuel cell system

#93
20220311029
2022-09-29

Method of operating water electrolysis and electricity generating system

#94
20220311027
2022-09-29

Water electrolysis and electricity generating system

#95
20220311026
2022-09-29

Fuel cell system

#96
20220311023
2022-09-29

Method of aging fuel cell

#97
20220223888
2022-07-14

FUEL CELL SYSTEM AND OPERATING METHOD

#98
20220221071
2022-07-14

Air valve and fuel cell system using air valve

#99
20220216488
2022-07-07

PEM fuel cell

#100
20220181649
2022-06-09

Gasket assembly and fuel cell humidifier including same

#101
20220166040
2022-05-26

Fuel cell vehicle and method of stopping the same

#102
20220131165
2022-04-28

Aircraft electrical power supply system and method of supplying electrical power in an aircraft

#103
20220102741
2022-03-31

Fuel cell system

#104
20220093950
2022-03-24

SOLID OXIDE FUEL CELL ARRANGEMENT GENERATING AMMONIA AS BYPRODUCT AND UTILIZING AMMONIA AS SECONDARY FUEL

#105
20220052362
2022-02-17

FUEL CELL ACTIVATION METHOD AND APPARATUS

#106
20220045342
2022-02-10

Fuel cell system

#107
20220034597
2022-02-03

Heat exchanger with porous material

#108
20210408571
2021-12-30

Fuel cell device

#109
20210328244
2021-10-21

Fuel cell system and control method thereof

#110
20210305613
2021-09-30

Direct ammonia alkaline membrane fuel cell and method of operating same

#111
20210273245
2021-09-02

Humidifier and motor vehicle with a fuel cell device having a humidifier

#112
20210249670
2021-08-12

Fuel cell power pack

#113
20210242478
2021-08-05

Cathode inlet humidity sensing with oxygen sensor

#114
20210202969
2021-07-01

Fuel cell system

#115
20210170912
2021-06-10

Method of controlling fuel cell vehicle and the fuel cell vehicle

#116
20210159522
2021-05-27

Fuel cell system

#117
20210159521
2021-05-27

PROCESS OF CONVERTING SEAWATER TO HYDROGEN, PIPING IT AND REFORMING IT TO FRESHWATER

#118
20210154624
2021-05-27

Composite hollow fiber membrane, manufacturing method therefor, hollow fiber membrane cartridge including same, and fuel cell membrane humidifier

#119
20210151781
2021-05-20

Advanced Electrolytic Storage and Recovery of Hydrogen

#120
20210075044
2021-03-11

Fuel cell vehicle and method of setting stop time scavenging period of the vehicle

#121
20210075035
2021-03-11

Humidifier, for Example for a Fuel Cell

#122
20210066733
2021-03-04

Fuel cell membrane humidifier capable of controlling flow direction of fluid

#123
20210036346
2021-02-04

Humidifier

#124
20210020960
2021-01-21

Fuel cell

#125
20200403260
2020-12-24

Low pressure carbon dioxide removal from the anode exhaust of a fuel cell

#126
20200287224
2020-09-10

Hydrogen generation using a fuel cell system with an REP

#127
20200251756
2020-08-06

Humidification device

#128
20200168935
2020-05-28

Solid oxide fuel cell system configured for higher hydrocarbon fuels

#129
20200161679
2020-05-21

Fuel cell stack

#130
20200147514
2020-05-14

Atmospheric water generator for extracting water droplets from ambient air

#131
20200136157
2020-04-30

Fuel cell system

#132
20200091526
2020-03-19

Fuel cell module

#133
20200075981
2020-03-05

Low pressure carbon dioxide removal from the anode exhaust of a fuel cell

#134
20200036016
2020-01-30

Humidifier

#135
20200028191
2020-01-23

FUEL CELL SYSTEM AND LIQUID WATER AMOUNT ESTIMATING METHOD

#136
20190393526
2019-12-26

CLOSED LOOP CONTROL FOR FUEL CELL WATER MANAGEMENT

#137
20190375282
2019-12-12

Parts arrangement structure of fuel cell electric vehicle

#138
20190363377
2019-11-28

Fuel cell system and method for operating the same

#139
20190356009
2019-11-21

FUEL CELL SYSTEM

#140
20190348694
2019-11-14

Fuel cell system and method for controlling same

#141
20190312290
2019-10-10

Humidifying and cooling apparatus for fuel cell

#142
20190285358
2019-09-19

Heat exchanger with porous material

#143
20190237787
2019-08-01

Method of manufacturing an integrated water vapor transfer device and fuel cell

#144
20190190040
2019-06-20

System and method for MEA conditioning in a fuel cell

#145
20190173114
2019-06-06

Hydrogen supply system for adjusting dew point of a hydrogen-containing gas supplied thereto

#146
20190173108
2019-06-06

Power supply device, apparatus, and control method

#147
20190173107
2019-06-06

Fuel cell system and control method for fuel cell system

#148
20190165389
2019-05-30

WATER MANAGEMENT SYSTEM IN ELECTROCHEMICAL CELLS WITH VAPOR RETURN COMPRISING AIR ELECTRODES

#149
20190140297
2019-05-09

CARBON DIOXIDE SEPARATOR, FUEL CELL SYSTEM INCLUDING SAME, AND METHOD OF OPERATING THE FUEL CELL SYSTEM

#150
20190084442
2019-03-21

Anode exhaust reservoir assembly

#151
20190074532
2019-03-07

Method for operating a fuel cell and fuel cell system

#152
20190013530
2019-01-10

Heat exchanger and fuel cell system

#153
20190006687
2019-01-03

METHOD OF AND APPARATUS FOR ACTIVATING FUEL CELL

#154
20180358635
2018-12-13

Gas supply, conditioning, and discharge systems and methods

#155
20180342744
2018-11-29

Fuel cell stack

#156
20180331374
2018-11-15

Fuel cell stack having bipolar plates, and fuel cell system

#157
20180269501
2018-09-20

Fuel cell system

#158
20180248208
2018-08-30

CONTROL DEVICE FOR FUEL CELL SYSTEM AND CONTROL METHOD FOR FUEL CELL SYSTEM

#159
20180248204
2018-08-30

Bipolar plate and a fuel cell stack comprising same

#160
20180175421
2018-06-21

Fuel cell system for preventing flooding of a fuel cell stack

#161
20180175412
2018-06-21

HUMIDIFIER INTEGRATED STACK

#162
20180166711
2018-06-14

Fuel cell cooling system

#163
20180159158
2018-06-07

Fuel cell system

#164
20180159151
2018-06-07

Air conditioner and fuel cell system including same

#165
20180151896
2018-05-31

Recirculation fuel cell

#166
20180118032
2018-05-03

Motor drive control method and system, and method of controlling drive of air compressor in fuel cell system using the same

#167
20180034078
2018-02-01

Method of controlling fuel cell system by comparing pressures in fuel gas path

#168
20170346111
2017-11-30

Fuel cell system having a humidified oxidant flow

#169
20170331128
2017-11-16

Method for switching off a fuel cell stack, and fuel cell system

#170
20170324100
2017-11-09

Fuel cell multifunction cathode valve

#171
20170297451
2017-10-19

Method and system for controlling air flow supplied to vehicle fuel cell

#172
20170279138
2017-09-28

Humidifier, for example for a fuel cell

#173
20170271696
2017-09-21

Fuel cell control method and apparatus through estimation of amount of water

#174
20170250414
2017-08-31

METHOD TO PRODUCE A GAS DIFFUSION LAYER AND FUEL CELL COMPRISING A GAS DIFFUSION LAYER

#175
20170222287
2017-08-03

LITHIUM-AIR BATTERY AND LITHIUM-AIR BATTERY DEVICE

#176
20170222235
2017-08-03

Humidifier, plate, device, and motor vehicle

#177
20170179510
2017-06-22

Fuel cell and fuel cell system

#178
20170179509
2017-06-22

Valve for fuel cell

#179
20170179505
2017-06-22

Humidifier with an integrated water separator for a fuel cell system, fuel cell system including a humidifier, and vehicle including same

#180
20170170499
2017-06-15

System and method for fuel cell cathode gas humidification

#181
20170149074
2017-05-25

Humidifier for fuel cell

#182
20170117561
2017-04-27

Fuel cell system

#183
20170092972
2017-03-30

Relative humidity estimators for fuel cell stack ports

#184
20170054162
2017-02-23

Recirculation device of a fuel cell

#185
20170047597
2017-02-16

Fuel cell cogeneration system, method of starting operation of the fuel cell cogeneration system, and method of operating the fuel cell cogeneration system

#186
20170018790
2017-01-19

STACK PROTECTION METHOD IN CASE OF EMERGENCY SHUT DOWN OR BLACK OUT IN SOLID OXIDE FUEL CELL SYSTEM

#187
20160372772
2016-12-22

Evaporator and fuel cell system using the evaporator

#188
20160362191
2016-12-15

Supply system for providing at least oxygen depleted air and water in a vehicle and aircraft having such a supply system

#189
20160359181
2016-12-08

Apparatus and method for controlling air supply into fuel cell stack

#190
20160344046
2016-11-24

Fuel cell system having valve module between fuel cell stack and humidifier

#191
20160322659
2016-11-03

MODULAR FUEL CELL POWER SYSTEM

#192
20160322654
2016-11-03

Membrane humidifier for fuel cell

#193
20160293978
2016-10-06

Water management system in electrochemical cells with vapor return comprising air electrodes

#194
20160268613
2016-09-15

FUEL CELL SYSTEM FOR INDUSTRIAL ELECTRIC VEHICLE

#195
20160248111
2016-08-25

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

#196
20160190620
2016-06-30

Fuel cell system and method of controlling the same

#197
20160190613
2016-06-30

Fuel cell system and method of controlling operation of fuel cell

#198
20160190611
2016-06-30

Fuel cell system as well as vehicle having such a fuel cell system

#199
20160172698
2016-06-16

Fuel cell module

#200
20160164121
2016-06-09

Air supply control system of fuel cell

#201
20160156046
2016-06-02

Fuel cell system and control method of fuel cell system

#202
20160149233
2016-05-26

Fuel cell system with waste heat recovery for production of high pressure steam

#203
20160141688
2016-05-19

Fuel cell system and dryness degree acquisition method

#204
20160079622
2016-03-17

Fuel cell module

#205
20160079619
2016-03-17

Humidification apparatus for fuel cell system

#206
20160072138
2016-03-10

FUEL CELL SYSTEM

#207
20160043417
2016-02-11

Method for creating an oxygen depleted gas in a fuel cell system

#208
20160036072
2016-02-04

Air supply device using cooling water heater of fuel cell vehicle

#209
20150380756
2015-12-31

Fuel cell module

#210
20150357659
2015-12-10

Fuel cell system and fuel cell powered vehicle

#211
20150349361
2015-12-03

Air humidification device and air humidification method for fuel cell using injector

#212
20150340715
2015-11-26

FUEL CELL POWER GENERATING SYSTEM

#213
20150333357
2015-11-19

Fuel cell

#214
20150311543
2015-10-29

Fuel cell system and control method thereof

#215
20150295258
2015-10-15

Ascertaining fuel cell inlet humidity by means of pressure sensors, and a mass flow rate-dependent control of the humidifier bypass

#216
20150263355
2015-09-17

Fuel cell and method for operating the fuel cell

#217
20150180058
2015-06-25

Fuel cell system

#218
20150180051
2015-06-25

Fuel Cell Module for a Vehicle

#219
20150162627
2015-06-11

Humidifier, in particular for a fuel cell

#220
20150162626
2015-06-11

System and method for controlling dehydration of fuel cell stack

#221
20150104722
2015-04-16

Freeze-tolerant valve

#222
20150099201
2015-04-09

Fuel cell gas inlet manifold drain

#223
20150086894
2015-03-26

Fuel cell system

#224
20150086886
2015-03-26

Fuel Cell Stack Arrangement with at least one Multi-Functional End Plate

#225
20150079490
2015-03-19

Fuel cell assembly and method for operating a fuel cell assembly

#226
20150079489
2015-03-19

Fuel cell system having ejector

#227
20150064582
2015-03-05

Fuel cell startup apparatus and method

#228
20150056532
2015-02-26

Fuel cell apparatus and method of operation

#229
20150010836
2015-01-08

EMERGENCY AIR PORT AND FUEL CELL SYSTEM HAVING THE SAME

#230
20140377675
2014-12-25

Centrifugal water separator for a fuel cell system

#231
20140377674
2014-12-25

FUEL CELL AIR FLOW METHOD AND SYSTEM

#232
20140377673
2014-12-25

Fuel cell

#233
20140349202
2014-11-27

HUMIDIFYING HEAT EXCHANGER FOR FUEL CELL

#234
20140342253
2014-11-20

Air blower for fuel cell vehicle

#235
20140329157
2014-11-06

Method of operating fuel cell with high power and high power fuel cell system

#236
20140291874
2014-10-02

Membrane humidifier

#237
20140272630
2014-09-18

Cathode humidification unit adapting degradation factor

#238
20140212704
2014-07-31

MANIFOLD FOR FUEL CELLS

#239
20140199605
2014-07-17

Transient inlet relative humidity estimation via adaptive cathode humidification unit model and high frequency resistance

#240
20140183763
2014-07-03

HUMIDIFIER FOR FUEL CELL SYSTEM

#241
20140170512
2014-06-19

METHOD FOR MITIGATING RECOVERABLE VOLTAGE LOSS THROUGH HUMIDIFICATION CONTROL

#242
20140162152
2014-06-12

Control system for a sealed coolant flow field fuel cell power plant having a water reservoir

#243
20140120433
2014-05-01

Apparatus and method of in-situ measurement of membrane fluid crossover

#244
20140106245
2014-04-17

METHODS FOR THE OPERATION OF A HUMIDIFICATION DEVICE FOR A FUEL CELL

#245
20140057186
2014-02-27

Fuel cell and method of operating fuel cell

#246
20140023947
2014-01-23

Solid oxide fuel cell device

#247
20130344405
2013-12-26

METHOD OF USING A HYBRID HUMIDIFIER FUEL CELL

#248
20130344404
2013-12-26

HYBRID HUMIDIFIER FUEL CELL

#249
20130302706
2013-11-14

DEVICE FOR GENERATING ELECTRICITY USING A FUEL CELL

#250
20130288141
2013-10-31

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

#251
20130280640
2013-10-24

Compact fuel cell system with fuel cell in fluid tank

#252
20130260272
2013-10-03

Fuel cell system and fuel cell system diagnosis method

#253
20130202975
2013-08-08

In-vehicle fuel cell system

#254
20130189596
2013-07-25

FUEL CELL SYSTEM, METHOD AND PROGRAM OF DETERMINING CAUSE OF NEGATIVE VOLTAGE, AND STORAGE MEDIUM STORING PROGRAM

#255
20130164640
2013-06-27

Operation method of polymer electrolyte fuel cell system and polymer electrolyte fuel cell system

#256
20130157153
2013-06-20

Apparatus and method of in situ catalyst degradation detection during fuel cell operation

#257
20130078542
2013-03-28

Fuel cell system

#258
20130024051
2013-01-24

Device and method for regulating the humidity of a fuel cell

#259
20130022884
2013-01-24

Three-way diverter assembly for a fuel cell system

#260
20130022883
2013-01-24

Apparatus and method for activating fuel cell stack

#261
20130022882
2013-01-24

FUEL CELL SYSTEM

#262
20120321972
2012-12-20

Water management in fuel cells

#263
20120288773
2012-11-15

Apparatus for humidifying a gas flow

#264
20120258375
2012-10-11

Fuel cell system and method for stopping power generation in fuel cell system

#265
20120251910
2012-10-04

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

#266
20120189930
2012-07-26

FUEL CELL SYSTEM

#267
20120168975
2012-07-05

Method for processing a porous article

#268
20120152113
2012-06-21

Gas Humidification and Pressure Control

#269
20120115053
2012-05-10

FUEL CELL SYSTEM

#270
20120088166
2012-04-12

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

#271
20120082910
2012-04-05

Carbon-based fuel cell system

#272
20120082908
2012-04-05

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

#273
20120077103
2012-03-29

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

#274
20120058404
2012-03-08

Fuel cell system

#275
20120045706
2012-02-23

Cooling system and method of a fuel cell

#276
20120028147
2012-02-02

FUEL CELL VEHICLE AND METHOD FOR CONTROLLING OPERATION OF THE SAME

#277
20120028139
2012-02-02

Fuel cell

#278
20120028138
2012-02-02

Fuel cell system and driving method for the same

#279
20120021318
2012-01-26

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

#280
20120015263
2012-01-19

Method and apparatus for determining humidity states of individual cells in a fuel cell, method and apparatus for controlling humidity states of individual cells in a fuel cell, and a fuel cell system

#281
20120015260
2012-01-19

Fuel cell system

#282
20110300458
2011-12-08

Fuel cell assembly and method for operating a fuel cell assembly

#283
20110281191
2011-11-17

Polymer electrolyte fuel cell, fuel cell stack including the same, fuel cell system, and method for operating fuel cell system

#284
20110244343
2011-10-06

Fuel cell system including water injection device and return passage bypassing compressor

#285
20110229787
2011-09-22

PROTON EXCHANGE MEMBRANE FUEL CELL STACK

#286
20110229782
2011-09-22

ACTIVATION METHOD FOR FUEL CELL SYSTEM

#287
20110223498
2011-09-15

Supply assembly for coupling to a fuel cell device and fuel cell system having the supply assembly

#288
20110195344
2011-08-11

Passive water drain

#289
20110195322
2011-08-11

HYDROGEN GENERATOR, FUEL CELL SYSTEM, AND METHOD FOR OPERATING HYDROGEN GENERATOR

#290
20110171564
2011-07-14

Reversible superhydrophilic-superhydrophobic coating for fuel cell bipolar plates and method of making the same

#291
20110165479
2011-07-07

Charge Air Humidification of Fuel Cells

#292
20110165478
2011-07-07

Humidifier device for humidifying a fluid in a fuel cell system

#293
20110159393
2011-06-30

Vehicle fuel cell cooling system

#294
20110143241
2011-06-16

FUEL CELL OPERATIONAL METHODS FOR OXYGEN DEPLETION AT SHUTDOWN

#295
20110129740
2011-06-02

Membrane humidifier for fuel cell

#296
20110097638
2011-04-28

Fuel cell and fuel cell system

#297
20110097636
2011-04-28

Disconnecting Procedure For Fuel Cell Systems

#298
20110091780
2011-04-21

In-situ fuel cell stack reconditioning

#299
20110045367
2011-02-24

Fuel Cell Supply System, Fuel Cell System and Method of Operating the Same

#300
20110039170
2011-02-17

Fuel cells