ClassID:

213442

H01M8/04141 - 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 water containing exhaust gases

Recent Application in this class:
#1
20260102741
2026-04-16

HOLLOW FIBER MEMBRANE MODULE

#2
20260058177
2026-02-26

SYSTEMS AND METHODS FOR FUEL CELL CATHODE EXHAUST HUMIDITY CONTROL

#3
20260058172
2026-02-26

HUMIDIFIER

#4
20260051521
2026-02-19

FUEL CELL SYSTEM

#5
20260045528
2026-02-12

Liquid Delivery System for Low-Pressure Cathodes in Electrochemical Hydrogen Expanders

#6
20260018629
2026-01-15

MEMBRANE ELEMENT FOR HUMIDIFIER AND HUMIDIFIER

#7
20250372669
2025-12-04

THERMAL MANAGEMENT SYSTEM OF FUEL ELECTRIC VEHICLE AND CONTROL METHOD THEREOF

#8
20250357508
2025-11-20

MID-CASE OF HUMIDIFIER FOR FUEL CELL AND HUMIDIFIER FOR FUEL CELL

#9
20250357506
2025-11-20

FUEL CELL EXHAUST MANAGEMENT

#10
20250336989
2025-10-30

MID-CASE OF HUMIDIFIER FOR FUEL CELL, AND HUMIDIFIER FOR FUEL CELL

#11
20250329761
2025-10-23

INTERMITTENT EXHAUST GAS RECIRCULATION DURING OPERATION OF A FUEL CELL SYSTEM

#12
20250329757
2025-10-23

AIR SUPPLY DEVICE FOR AN AIRCRAFT FUEL CELL DRIVE

#13
20250300197
2025-09-25

SPIRAL WOUND WATER EXCHANGERS, POWER GENERATORS COMPRISING THE SAME, AND METHODS OF USE THEREOF

#14
20250279452
2025-09-04

METHOD AND DEVICE FOR HUMIDIFYING CATHODE AIR IN A FUEL CELL SYSTEM AND FUEL CELL SYSTEM

#15
20250233173
2025-07-17

CATHODE RECIRCULATION LOOP FOR FUEL CELL

#16
20250105318
2025-03-27

HUMIDIFIER, METHOD FOR PRODUCING SUCH A HUMDIFIER AND FUEL CELL SYSTEM WITH SUCH A HUMIDIFIER

#17
20250105317
2025-03-27

FUEL CELL SYSTEM AND METHOD OF OPERATING THEREOF USING HUMIDIFIED AMMONIA FUEL

#18
20250096286
2025-03-20

MEMBRANE STACKING UNIT

#19
20250096285
2025-03-20

HUMIDIFIER

#20
20250087726
2025-03-13

HUMIDIFIER

#21
20250038231
2025-01-30

HUMIDIFIER STACK, HUMIDIFIER DEVICE, AND MEMBRANE FOR HUMIDIFIER STACK

#22
20250030023
2025-01-23

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#23
20250023069
2025-01-16

FUEL CELL SYSTEM

#24
20250015318
2025-01-09

FUEL CELL SYSTEM

#25
20250006960
2025-01-02

FIBER MEMBRANE BUNDLE WITHOUT A CORE

#26
20240429412
2024-12-26

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

#27
20240356049
2024-10-24

FUEL CELL MEMBRANE HUMIDIFIER

#28
20240356048
2024-10-24

HUMIDIFIER FOR FUEL CELL

#29
20240332557
2024-10-03

HUMIDIFIER

#30
20240322301
2024-09-26

MOISTURE AND CARBON DIOXIDE MANAGEMENT SYSTEM IN ELECTROCHEMICAL CELLS

#31
20240313238
2024-09-19

HUMIDIFIER FOR FUEL CELL

#32
20240304839
2024-09-12

CARTRIDGE FOR FUEL CELL HUMIDIFIER, AND FUEL CELL HUMIDIFIER

#33
20240304838
2024-09-12

FUEL CELL MEMBRANE HUMIDIFIER

#34
20240243309
2024-07-18

FUEL CELL MEMBRANE HUMIDIFIER

#35
20240243307
2024-07-18

FUEL CELL MEMBRANE HUMIDIFIER

#36
20240234770
2024-07-11

WATER GAS SHIFT REACTOR COOLING ASSEMBLY FOR A FUEL CELL SYSTEM

#37
20240186541
2024-06-06

METHOD AND SYSEM FOR HUMIDIFYING AN AIR SUPPLY OF A FUEL CELL FOR AIRCRAFT

#38
20240178414
2024-05-30

FUEL CELL SYSTEM

#39
20240136556
2024-04-25

Water gas shift reactor cooling assembly for a fuel cell system

#40
20240120516
2024-04-11

FUEL CELL SYSTEM CAPABLE OF ADJUSTING BYPASS FLOW RATE

#41
20240120511
2024-04-11

FUEL CELL HUMIDIFIER

#42
20240079613
2024-03-07

MEMBRANE HUMIDIFIER FOR FUEL CELL

#43
20240079612
2024-03-07

FUEL CELL MEMBRANE HUMIDIFIER

#44
20240072275
2024-02-29

FUEL CELL SYSTEM

#45
20240063407
2024-02-22

FUEL CELL MEMBRANE HUMIDIFIER

#46
20240055627
2024-02-15

FUEL CELL MEMBRANE HUMIDIFIER AND FUEL CELL SYSTEM COMPRISING SAME

#47
20240055625
2024-02-15

AUTOMATIC FLOW RATE CONTROL CARTRIDGE AND FUEL CELL MEMBRANE HUMIDIFIER COMPRISING SAME

#48
20240047786
2024-02-08

Moisture and carbon dioxide management system in electrochemical cells

#49
20240021848
2024-01-18

CARTRIDGE OF FUEL CELL HUMIDIFIER, AND FUEL CELL HUMIDIFIER

#50
20240021846
2024-01-18

HUMIDIFICATION DEVICE FOR A FUEL CELL SYSTEM

#51
20240014418
2024-01-11

DEVICE FOR SUPPLYING AIR TO A FUEL CELL

#52
20230411649
2023-12-21

CARTRIDGE OF HUMIDIFIER FOR FUEL CELL AND HUMIDIFIER FOR FUEL CELL

#53
20230402627
2023-12-14

CARTRIDGE OF HUMIDIFIER FOR FUEL CELL AND HUMIDIFIER FOR FUEL CELL

#54
20230402626
2023-12-14

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#55
20230395828
2023-12-07

HUMIDIFIER FOR FUEL CELL

#56
20230387429
2023-11-30

HUMIDIFIER

#57
20230378492
2023-11-23

FUEL CELL MEMBRANE HUMIDIFIER AND FUEL CELL SYSTEM COMPRISING SAME

#58
20230327166
2023-10-12

Protonic ceramic fuel cell system

#59
20230327151
2023-10-12

HUMIDIFIER CONTROL APPARATUS AND METHOD AND FUEL CELL SYSTEM USING THE SAME

#60
20230317981
2023-10-05

Fuel Cell Cooling

#61
20230299315
2023-09-21

MANUFACTURABLE HUMIDIFIER

#62
20230290971
2023-09-14

FUEL CELL HUMIDIFIER

#63
20230290965
2023-09-14

FUEL CELL COOLING SYSTEM

#64
20230268524
2023-08-24

HUMIDIFIER FOR FUEL CELL

#65
20230231172
2023-07-20

SOLID OXIDE FUEL CELL SYSTEM WITH HYDROGEN PUMPING CELL WITH CARBON MONOXIDE TOLERANT ANODES AND INTEGRATED SHIFT REACTOR

#66
20230178766
2023-06-08

HUMIDIFIER FOR FUEL CELL

#67
20230178765
2023-06-08

FUEL CELL STACK HUMIDIFICATION SYSTEM

#68
20230163329
2023-05-25

MEMBRANE HUMIDIFIER FOR FUEL CELLS

#69
20230163328
2023-05-25

TEST SYSTEM, AIR MIXTURE LINE AND GAS CONTROL UNIT

#70
20230120297
2023-04-20

Aircraft propulsion system

#71
20230043105
2023-02-09

Fuel cell system and exhaust gas treatment device

#72
20230018380
2023-01-19

HUMIDIFIER

#73
20230012761
2023-01-19

MEMBRANE HUMIDIFIER

#74
20230006222
2023-01-05

FUEL CELL SYSTEM

#75
20220393199
2022-12-08

Humidifier for fuel cell

#76
20220328852
2022-10-13

Fuel cell system and condensate water storage device

#77
20220278348
2022-09-01

Fuel cell stack

#78
20220255096
2022-08-11

DETERMINATION DEVICE AND METHOD FOR CALCULATING A MOISTURE VALUE IN A FUEL CELL SYSTEM

#79
20220255092
2022-08-11

HUMIDIFIER FOR FUEL CELL AND METHOD FOR MANUFACTURING SAME

#80
20220238898
2022-07-28

High efficiency humidity management system for fuel cells and higher-temperature electrochemical systems

#81
20220200022
2022-06-23

PEM FUEL CELL POWER SYSTEMS WITH EFFICIENT HYDROGEN GENERATION

#82
20220181655
2022-06-09

FUEL CELL HUMIDIFIER AND PACKING MEMBER FOR SAME

#83
20220166038
2022-05-26

Humidifier for fuel cell

#84
20220149402
2022-05-12

Fuel cell motor vehicle and method

#85
20220118843
2022-04-21

Vehicle including fuel cell system

#86
20220093946
2022-03-24

Membrane humidifier for fuel cell, and fuel cell system comprising same

#87
20220069330
2022-03-03

Fuel Cell and Fuel Cell Vehicle

#88
20220069322
2022-03-03

Manufacturable humidifier

#89
20210399329
2021-12-23

PROTONIC CERAMIC FUEL CELL SYSTEM

#90
20210391586
2021-12-16

Membrane assembly for a humidification device

#91
20210305601
2021-09-30

Method for preparation for the start of a parked fuel cell system

#92
20210273246
2021-09-02

Method for humidifying a reactant, and fuel cell system for carrying out the method

#93
20210273245
2021-09-02

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

#94
20210265643
2021-08-26

Long endurance fuel cell-based power source

#95
20210249715
2021-08-12

Moisture and carbon dioxide management system in electrochemical cells

#96
20210226238
2021-07-22

Fuel cell system

#97
20210226237
2021-07-22

Fuel cell system

#98
20210159517
2021-05-27

Fuel cell system

#99
20210154624
2021-05-27

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

#100
20210111420
2021-04-15

Fuel cell humidifier with bypass tube

#101
20210075035
2021-03-11

Humidifier, for Example for a Fuel Cell

#102
20210028471
2021-01-28

METHOD FOR REGULATING THE HUMIDITY OF A MEMBRANE OF A FUEL CELL

#103
20200388864
2020-12-10

Vehicle having a fuel cell system, and method for treating a fluid emerging from the fuel cell system

#104
20200373591
2020-11-26

Humidification system, and fuel cell system comprising a humidification system

#105
20200358113
2020-11-12

HUMIDIFIER

#106
20200321638
2020-10-08

Fuel cell having a variable water permeability

#107
20200303758
2020-09-24

Solid oxide fuel cell system with hydrogen pumping cell with carbon monoxide tolerant anodes and integrated shift reactor

#108
20200295386
2020-09-17

WATER EXCHANGER FOR A FUEL CELL BASED POWER GENERATOR

#109
20200185738
2020-06-11

Humidifier for fuel cell

#110
20200153003
2020-05-14

PEM FUEL CELL POWERSYSTEMS WITH EFFICIENT HYDROGEN GENERATION

#111
20200144639
2020-05-07

PEM fuel cell powersystems with efficient hydrogen generation

#112
20200075976
2020-03-05

Humidity transfer assemblies for fuel cells and higher-temperature electrochemical systems

#113
20200058948
2020-02-20

Humidifier for fuel cell

#114
20200036016
2020-01-30

Humidifier

#115
20190356004
2019-11-21

Fuel cell system

#116
20190348695
2019-11-14

PEM fuel cell power systems with efficient hydrogen generation

#117
20190326618
2019-10-24

Humidifying device for fuel cell

#118
20190326617
2019-10-24

Driving pressure adjusting valve device for fuel cell system

#119
20190305342
2019-10-03

Preventing the formation of black ice as a result of exhaust water from motor vehicles

#120
20190305334
2019-10-03

High power fuel cell system

#121
20190288306
2019-09-19

Membrane humidifier, preferably for a fuel cell system

#122
20190267645
2019-08-29

Fuel cell system and control method of fuel cell system

#123
20190245253
2019-08-08

Moisture and carbon dioxide management system in electrochemical cells

#124
20190237779
2019-08-01

Fuel cell system and fuel cell vehicle

#125
20190123364
2019-04-25

FUEL CELL HAVING AN INTEGRATED WATER VAPOR TRANSFER REGION

#126
20190081335
2019-03-14

Cooling and humidifying device and fuel cell system having the same

#127
20190067717
2019-02-28

Humidifier and fuel cell system having the same

#128
20190015787
2019-01-17

Hollow fiber membrane module

#129
20190013530
2019-01-10

Heat exchanger and fuel cell system

#130
20190006685
2019-01-03

System for the treatment of water

#131
20180339757
2018-11-29

Undersea vehicle and method for operating a reactor

#132
20180316028
2018-11-01

Fuel cell system and humidifier therefor

#133
20180294491
2018-10-11

Fuel cell vehicle

#134
20180277860
2018-09-27

High power fuel cell system

#135
20180269500
2018-09-20

Apparatus and method for controlling humidification amount of membrane humidifier for fuel cell

#136
20180261870
2018-09-13

Rechargeable electrochemical device for producing electric energy

#137
20180261858
2018-09-13

Fuel cell stack break-in procedures and break-in conditioning systems

#138
20180205098
2018-07-19

Integrated gas management device for a fuel cell system

#139
20180159158
2018-06-07

Fuel cell system

#140
20180159151
2018-06-07

Air conditioner and fuel cell system including same

#141
20180145357
2018-05-24

MITIGATION STRATEGIES FOR ENHANCED DURABILITY OF PFSA-BASED SHEET STYLE WATER VAPOR TRANSFER DEVICES

#142
20180062186
2018-03-01

Heat recovery for saturator water recovery of a direct fuel cell system

#143
20170346111
2017-11-30

Fuel cell system having a humidified oxidant flow

#144
20170346110
2017-11-30

Humidifier for fuel cell systems

#145
20170338501
2017-11-23

FUEL CELL SYSTEM

#146
20170301932
2017-10-19

Method for producing a humidifier block for a humidifier

#147
20170288240
2017-10-05

Fuel cell power generation module

#148
20170279138
2017-09-28

Humidifier, for example for a fuel cell

#149
20170263963
2017-09-14

Device for decreasing hydrogen concentration of fuel cell system

#150
20170263962
2017-09-14

Device for decreasing hydrogen concentration of fuel cell system

#151
20170263957
2017-09-14

Body structure element for a vehicle with integrated humidifier

#152
20170250423
2017-08-31

Method for controlling fuel cell system

#153
20170222235
2017-08-03

Humidifier, plate, device, and motor vehicle

#154
20170187052
2017-06-29

Hydrogen purging device and method for fuel cell system

#155
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

#156
20170155159
2017-06-01

Fuel cell device having a water-transferring anode gas path, and method for operating a fuel cell

#157
20170149077
2017-05-25

Fuel cell system and control method for fuel cell system

#158
20170149074
2017-05-25

Humidifier for fuel cell

#159
20170141417
2017-05-18

Fuel cell system and method for recirculating water in a fuel cell system

#160
20170125827
2017-05-04

Cathode supply for a fuel cell

#161
20170092966
2017-03-30

TREATMENT DEVICE FOR TREATING EXHAUST GAS OF A FUEL CELL STACK, FUEL CELL SYSTEM AND VEHICLE WITH A FUEL CELL SYSTEM

#162
20170084935
2017-03-23

Humidifier, for Example for a Fuel Cell

#163
20170077530
2017-03-16

Apparatus and method for controlling humidification amount of membrane humidifier for fuel cell

#164
20170054166
2017-02-23

Fuel cell system and method for operating such a system

#165
20170018787
2017-01-19

Humidification system and method for a fuel cell

#166
20160322655
2016-11-03

Moisture exchanger and fuel cell arrangement comprising same

#167
20160315334
2016-10-27

Method for controlling an operating point change of a fuel cell stack and a fuel cell system

#168
20160268614
2016-09-15

Fuel cell purge line system

#169
20160240904
2016-08-18

Fuel cell system and method for controlling fuel cell system

#170
20160218383
2016-07-28

Method for controlling pressure

#171
20160190626
2016-06-30

Grafted functional groups on expanded tetrafluoroethylene (ePTFE) support for fuel cell and water transport membranes

#172
20160190620
2016-06-30

Fuel cell system and method of controlling the same

#173
20160190611
2016-06-30

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

#174
20160175767
2016-06-23

Carbon membrane, process for the manufacture of carbon membranes and use thereof

#175
20160079619
2016-03-17

Humidification apparatus for fuel cell system

#176
20160056483
2016-02-25

Method for the production of a water transfer compound

#177
20160036076
2016-02-04

Method of operating fuel cell system with performance recovery control

#178
20160036075
2016-02-04

Device for adjusting hollow fiber membrane density for humidification device of fuel cell

#179
20160036074
2016-02-04

Humidification device for fuel cell and fuel cell system comprising the same

#180
20150380751
2015-12-31

Humidifier, in particular for a fuel cell

#181
20150372328
2015-12-24

Operation method of fuel cell system and fuel cell system

#182
20150364778
2015-12-17

Fuel cell system and method for controlling the same

#183
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

#184
20150244009
2015-08-27

Back-up fuel cell electric generator comprising a compact manifold body, and methods of managing the operation thereof

#185
20150180060
2015-06-25

Humidification device for humidifying process gases and fuel cell arrangement comprising same

#186
20150180059
2015-06-25

Humidifier for fuel cell systems

#187
20150079489
2015-03-19

Fuel cell system having ejector

#188
20150064581
2015-03-05

Hybrid Ionomer Electrochemical Devices

#189
20150056527
2015-02-26

HYDROGEN PURGING DEVICE AND METHOD FOR FUEL CELL SYSTEM

#190
20150040986
2015-02-12

Conditioning system for fuel cell exhaust

#191
20150004506
2015-01-01

Fuel cell system

#192
20150004504
2015-01-01

Integrated gas management device for a fuel cell system

#193
20140342132
2014-11-20

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

#194
20140291874
2014-10-02

Membrane humidifier

#195
20140242481
2014-08-28

Separating device for a fuel cell system, fuel cell system with the separating device and method for operating the separating device

#196
20140227618
2014-08-14

Fuel cell system

#197
20140193726
2014-07-10

FULL CELL SYSTEM AND METHOD OF HUMIDIFYING AND COOLING THE SAME

#198
20140186727
2014-07-03

Humidification apparatus for fuel cell system

#199
20140138060
2014-05-22

Compressed air cooling apparatus of fuel cell system

#200
20140120436
2014-05-01

Fuel cell humidification management method and system

#201
20140106244
2014-04-17

Plate-style water vapor transfer unit with integral headers

#202
20140072895
2014-03-13

Method for a fuel cell air system leakage diagnostic

#203
20140069571
2014-03-13

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

#204
20140011105
2014-01-09

Reverse flow relief valve for a fuel cell system

#205
20130323616
2013-12-05

System and method for minimizing fuel cell degradation after shutdown

#206
20130252117
2013-09-26

APPARATUS AND METHOD FOR HUMIDIFIED FLUID STREAM DELIVERY TO FUEL CELL STACK

#207
20130252116
2013-09-26

Model Based Approach For In-Situ WVTD Degradation Detection In Fuel Cell Vehicles

#208
20130224613
2013-08-29

Method and system for cooling charge air for a fuel cell, and three-fluid charge air cooler

#209
20130202979
2013-08-08

Piping unit for fuel cell, fuel cell unit equipped with piping unit and fuel cell system

#210
20130137005
2013-05-30

Humidifier for fuel cell

#211
20130137003
2013-05-30

FUEL CELL SYSTEM

#212
20130130135
2013-05-23

Fuel cell system and humidification device of the same

#213
20130078541
2013-03-28

Jet fuel based high pressure solid oxide fuel cell system

#214
20130065140
2013-03-14

Membrane humidifier for fuel cell

#215
20130056080
2013-03-07

Adjustable air flow bypass in a water vapor transfer assembly to reduce beginning of life water transfer variation

#216
20130004866
2013-01-03

Fuel cell system comprising at least one fuel cell

#217
20120308904
2012-12-06

Fuel cell system having a fluid flow distribution feature

#218
20120301799
2012-11-29

Method and apparatus for enhancing power density of direct liquid fuel cells

#219
20120301798
2012-11-29

Fuel cell system

#220
20120270120
2012-10-25

Humidifier for fuel cell

#221
20120270118
2012-10-25

Anode water separator for a fuel cell system

#222
20120217661
2012-08-30

Separator roll membrane coating for fuel cell humidifier

#223
20120193820
2012-08-02

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

#224
20120189932
2012-07-26

Fuel cell system and method of operating a fuel cell system

#225
20120181712
2012-07-19

Humidifier for fuel cell systems

#226
20120171582
2012-07-05

Open type fuel cell system

#227
20120141890
2012-06-07

FUEL CELL SYSTEM

#228
20120135326
2012-05-31

Back-up fuel cell electric generator comprising a compact manifold body, and methods of managing the operation thereof

#229
20120135322
2012-05-31

FUEL CELL SYSTEM

#230
20120129057
2012-05-24

FUEL CELL SYSTEM

#231
20120115055
2012-05-10

Fuel cell system

#232
20120094197
2012-04-19

Humidifier including an auxiliary humidifier utilzing electroosmosis

#233
20120064417
2012-03-15

FUEL CELL SYSTEM

#234
20120058408
2012-03-08

Fuel cell systems with a cover and related methods

#235
20120040260
2012-02-16

FUEL CELL SYSTEM AND WATER DRAINING METHOD FOR FUEL CELL SYSTEM

#236
20120040258
2012-02-16

Fuel Cell System Comprising at Least One Fuel Cell

#237
20120034539
2012-02-09

HIGH EFFICIENCY AND RELIABLE FUEL CELL SYSTEM OPERATING AT NEAR 100% FUEL UTILIZATION

#238
20120015261
2012-01-19

Fuel cell system and stack thereof

#239
20120007371
2012-01-12

Fuel Cell System Comprising at Least One Fuel Cell

#240
20110311890
2011-12-22

Open type fuel cell system with unreacted material removing function

#241
20110311889
2011-12-22

Fuel cell system

#242
20110305968
2011-12-15

Fuel cell stack

#243
20110297261
2011-12-08

Water vapor transfer assembly

#244
20110294032
2011-12-01

Water vapor transfer membrane attachment to gas diffusion separators

#245
20110274992
2011-11-10

Water content estimation apparatus for fuel cell and fuel cell system

#246
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

#247
20110250519
2011-10-13

Fuel cell system

#248
20110244343
2011-10-06

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

#249
20110244342
2011-10-06

Fuel cell system

#250
20110236781
2011-09-29

FUEL CELL COOLING

#251
20110223503
2011-09-15

Electrode structure capable of separate delivering gas and fluid and passive fuel cell using the same

#252
20110223500
2011-09-15

MCFC POWER GENERATION SYSTEM AND METHOD FOR OPERATING SAME

#253
20110223498
2011-09-15

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

#254
20110207023
2011-08-25

Compressor system with a freewheeling expander

#255
20110195325
2011-08-11

HUMIDIFIER MODULE FOR A FUEL CELL SYSTEM

#256
20110195324
2011-08-11

METHODS AND PROCESSES TO RECOVER VOLTAGE LOSS OF PEM FUEL CELL STACK

#257
20110165478
2011-07-07

Humidifier device for humidifying a fluid in a fuel cell system

#258
20110129741
2011-06-02

Fuel cell system and fuel cell automotive vehicle

#259
20110127683
2011-06-02

Humidifier for fuel cell

#260
20110104580
2011-05-05

Fuel cell system

#261
20110081588
2011-04-07

Method and apparatus for PEM fuel cell freezing protection

#262
20110070509
2011-03-24

Fuel cell system having two fuel cell stacks connected in series

#263
20110053014
2011-03-03

Fuel cell system and method for adjusting moisture content in a polymer electrolyte membrane

#264
20110053012
2011-03-03

Fuel cell system with improved humidification performance

#265
20110053007
2011-03-03

Perfluorocyclobutane based water vapor transfer membranes

#266
20110045374
2011-02-24

FUEL CELL SYSTEM

#267
20110045365
2011-02-24

Method for removing residual water from fuel cell

#268
20110033763
2011-02-10

Fuel cell system and reverse flow relief valve

#269
20110027669
2011-02-03

System and method for hydrating a proton exchange membrane fuel cell

#270
20110014530
2011-01-20

RESERVOIR FOR HOT WEATHER OPERATION OF EVAPORATIVELY COOLED FUEL CELL

#271
20100297512
2010-11-25

FUEL CELL SYSTEM

#272
20100273082
2010-10-28

Structure and method for optimizing system efficiency when operating an SOFC system with alcohol fuels

#273
20100273081
2010-10-28

FUEL CELL SYSTEM AND MOVING BODY

#274
20100255390
2010-10-07

Fuel cell system operation method

#275
20100255389
2010-10-07

FUEL CELL

#276
20100255388
2010-10-07

Fuel cell system and method of operating a fuel cell system

#277
20100248045
2010-09-30

FUEL CELL SYSTEM AND METHOD FOR OPERATING THE SAME

#278
20100248044
2010-09-30

ON BOARD GENERATION OF N2 FOR FUEL CELLS USING A MEMBRANE

#279
20100239928
2010-09-23

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

#280
20100227230
2010-09-09

Anode water separator for a fuel cell system

#281
20100216039
2010-08-26

Fuel humidifier assembly for use in high temperature fuel cell systems

#282
20100203365
2010-08-12

Method and device for operating a fuel cell system having a recirculation blower disposed in a fuel circuit of the fuel cell system

#283
20100193975
2010-08-05

HUMIDIFIER

#284
20100190093
2010-07-29

Hollow fiber membrane for humidifier and method for manufacturing the same

#285
20100167174
2010-07-01

FUEL CELL SYSTEM

#286
20100167152
2010-07-01

Fuel Cell System

#287
20100167142
2010-07-01

Mobile body

#288
20100159342
2010-06-24

Fuel cell system and its control method

#289
20100151337
2010-06-17

Humidifier and fuel cell system

#290
20100136454
2010-06-03

FUEL CIRCUIT OF A FUEL CELL SYSTEM

#291
20100124680
2010-05-20

Fuel cell system operated with liquid gas

#292
20100122461
2010-05-20

COMPACT SPRING LOADED FUEL CELL MONOPOLAR STACK

#293
20100099005
2010-04-22

VAPOR FED DIRECT HYDROCARBON ALKALINE FUEL CELLS

#294
20100092810
2010-04-15

Fuel cell system with a compensation region for moistening and/or tempering

#295
20100086827
2010-04-08

GAS-LIQUID SEPARATION DEVICE AND FUEL CELL SYSTEM

#296
20100086818
2010-04-08

RECOOLING AND HUMIDIFICATION DEVICE FOR USE IN FUEL CELLS

#297
20100086812
2010-04-08

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

#298
20100068603
2010-03-18

Hollow fiber membrane module and fuel cell system

#299
20100028741
2010-02-04

Hydride fuel-cell cooler and condensate cooler for aircraft

#300
20100028740
2010-02-04

Fuel cell system with heater