ClassID:

213476

H01M8/04395 - 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:
#1
20260128332
2026-05-07

METHOD AND SYSTEM FOR CONTROLLING WATER BALANCE IN METAL-AIR ELECTROCHEMICAL CELLS

#2
20260112670
2026-04-23

METHODS AND SYSTEMS FOR OPTIMIZING OPERATION OF AN ELECTROCHEMICAL SYSTEM

#3
20260066317
2026-03-05

METHOD FOR ESTIMATING PARTIAL PRESSURES AND RELATIVE HUMIDITY OF GASES IN FUEL CELL

#4
20260066316
2026-03-05

METHOD FOR CONTROLLING ANODE PURGE VALVE OF FUEL CELL, DEVICE, MEDIUM, AND PRODUCT

#5
20260038856
2026-02-05

SYSTEMS AND METHODS FOR MULTI-INPUT CATHODE LOOP CONTROL FOR FUEL CELLS

#6
20260024791
2026-01-22

FUEL CELL SYSTEM CONTROL

#7
20260024789
2026-01-22

APPARATUS AND METHOD FOR DETERMINING AIR DISTRIBUTION PERFORMANCE OF A FUEL CELL SYSTEM

#8
20250372677
2025-12-04

Fuel Cell Vehicle and Method of Controlling Same

#9
20250364578
2025-11-27

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

#10
20250349871
2025-11-13

FUEL CELL SYSTEM

#11
20250329760
2025-10-23

FUEL CELL SYSTEM AND METHOD FOR STARTING A FUEL CELL SYSTEM

#12
20250323294
2025-10-16

Vehicle Control Apparatus and Method Thereof

#13
20250323288
2025-10-16

METAL-OXYGEN BATTERY AND METHOD OF USE THEREOF

#14
20250300207
2025-09-25

FUEL CELL SYSTEM

#15
20250279451
2025-09-04

FUEL CELL SYSTEM

#16
20250273717
2025-08-28

FUEL CELL SYSTEM AND CONTROL METHOD THEREOF

#17
20250260035
2025-08-14

FUEL CELL SYSTEM

#18
20250246656
2025-07-31

FUEL CELL SYSTEM

#19
20250246655
2025-07-31

FUEL CELL SYSTEM INCLUDING A SYSTEM EXHAUST BACKFLOW CONTROL VALVE AND METHODS OF OPERATING THE SAME

#20
20250246653
2025-07-31

FUEL CELL SYSTEM

#21
20250226429
2025-07-10

FUEL CELL SYSTEM AND METHOD OF CONTROLLING SAME

#22
20250192208
2025-06-12

FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME

#23
20250192206
2025-06-12

HUMIDIFIER LEAK DIAGNOSIS SYSTEM AND METHOD FOR A FUEL CELL SYSTEM

#24
20250183337
2025-06-05

SYSTEMS AND METHODS FOR DETERMINING SEQUENTIAL PRESSURE REGRESSION IN FUEL CELLS

#25
20250167270
2025-05-22

METHOD FOR CONTROLLING A FUEL CELL AT VERY LOW PARTIAL PRESSURES UP TO NULL

#26
20250149604
2025-05-08

Method and Device for Ascertaining the Oxidizing Agent Mass Flow in an Electrochemical Energy Converter

#27
20250128646
2025-04-24

VEHICLE FUEL CELL SENSOR PLAUSIBILITY CHECK

#28
20250062375
2025-02-20

A METHOD FOR OPERATING A FUEL CELL

#29
20250030023
2025-01-23

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#30
20240379986
2024-11-14

FLOW STRAIGHTENER FOR A FUEL CELL CATHODE SUBSYSTEM

#31
20240288333
2024-08-29

LEAK INSPECTION APPARATUS AND LEAK INSPECTION METHOD

#32
20240239242
2024-07-18

FUEL CELL VEHICLE WITH DIFFERENTIAL PRESSURE FLOW METER FOR HUMIDITY MEASUREMENT

#33
20240234768
2024-07-11

Fuel Cell Cooling Control System and Method

#34
20240234764
2024-07-11

DEVICE FOR SUPPLYING A PLURALITY OF CATHODES OF A FUEL SYSTEM

#35
20240234761
2024-07-11

DYNAMIC AIRFLOW CONTROL IN A FUEL CELL SYSTEM

#36
20240234757
2024-07-11

HIGH EFFICIENCY FUEL CELL AIR MANAGEMENT SYSTEM

#37
20240186547
2024-06-06

FUEL CELL VIRTUAL SENSOR

#38
20240162462
2024-05-16

METHOD FOR CALIBRATING A FUEL SENSOR

#39
20240136555
2024-04-25

Fuel Cell Cooling Control System and Method

#40
20240136553
2024-04-25

DEVICE FOR SUPPLYING A PLURALITY OF CATHODES OF A FUEL SYSTEM

#41
20240136552
2024-04-25

DYNAMIC AIRFLOW CONTROL IN A FUEL CELL SYSTEM

#42
20240136549
2024-04-25

FUEL CELL SYSTEM AND CONTROL METHOD THEREOF

#43
20240097167
2024-03-21

COMPRESSOR ARRANGEMENT FOR A FUEL CELL SYSTEM

#44
20240097164
2024-03-21

FUEL CELL SYSTEM

#45
20240072281
2024-02-29

LEAK INSPECTION METHOD

#46
20240047720
2024-02-08

FUEL CELL SYSTEM

#47
20240014423
2024-01-11

AIR SUPPLY SYSTEM FOR FUEL CELLS AND METHOD FOR CONTROLLING THE SAME

#48
20230420708
2023-12-28

VESSEL FOR A FUEL CELL, A FUEL CELL SYSTEM, AND A METHOD FOR MAINTAINING A NON-EXPLOSIVE ATMOSPHERE IN A VESSEL FOR A FUEL CELL

#49
20230411656
2023-12-21

Fuel cell system and method for controlling purge thereof

#50
20230387432
2023-11-30

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

#51
20230378499
2023-11-23

FUEL CELL SYSTEM

#52
20230369619
2023-11-16

PERFORMANCE PREDICTION METHOD AND SYSTEM FOR FUEL CELL IN ANODE RECIRCULATION MODE

#53
20230317994
2023-10-05

FUEL CELL SYSTEM

#54
20230317988
2023-10-05

FUEL CELL SYSTEM

#55
20230317984
2023-10-05

FUEL CELL SYSTEM

#56
20230290979
2023-09-14

ELECTRODE PRESSURE BALANCE FOR A NITROGEN BLANKETING PROCESS

#57
20230268528
2023-08-24

CONTROLLING CATHODE STOICHIOMETRY IN FUEL CELLS

#58
20230261218
2023-08-17

CATHODE CIRCULATION SYSTEM OF FUEL CELL AND ITS CONTROL METHOD

#59
20230261217
2023-08-17

ANODE RECOVERY SYSTEM OF FUEL CELL

#60
20230197994
2023-06-22

Reforming catalyst pattern for fuel cell operated with enhanced COutilization

#61
20230094726
2023-03-30

SYSTEM INCLUDING FUEL CELL ASSEMBLY VOLTAGE MONITOR

#62
20230051988
2023-02-16

Fuel cell control system and fuel cell control method

#63
20230011354
2023-01-12

INCORPORATED AIR SUPPLYING APPARATUS FOR FUEL CELL STACK AND METHOD FOR CONTROLLING AIR FLOW FOR FUEL CELL STACK USING SAME

#64
20220416278
2022-12-29

OPERATING SYSTEMS AND METHODS OF USING A PROPORTIONAL CONTROL VALVE IN A FUEL CELL SYSTEM

#65
20220399554
2022-12-15

Fuel cell control system for vehicles

#66
20220352535
2022-11-03

Elevated pressure operation of molten carbonate fuel cells with enhanced COutilization

#67
20220302484
2022-09-22

Fuel cell system and method of controlling fuel cell system

#68
20220302476
2022-09-22

Fuel cell system and method of controlling the system

#69
20220285711
2022-09-08

Fuel cell system

#70
20220285703
2022-09-08

Fuel cell system

#71
20220255096
2022-08-11

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

#72
20220203867
2022-06-30

Circuit arrangement for a vehicle electrical system of an electrically driven motor vehicle and method for operating a circuit arrangement of this type

#73
20220140369
2022-05-05

Fuel Cell System

#74
20220085395
2022-03-17

Fuel cell system

#75
20220059853
2022-02-24

Flow-field plate

#76
20220052359
2022-02-17

Fuel cell system

#77
20220045343
2022-02-10

Fuel cell control method and system based on model predictive control

#78
20220006109
2022-01-06

Method for reducing the carbon corrosion in a fuel cell stack, and motor vehicle

#79
20210384533
2021-12-09

Gas supply system

#80
20210376357
2021-12-02

Fuel cell system

#81
20210359310
2021-11-18

Catalyst materials for a fuel cell stack

#82
20210351423
2021-11-11

FUEL CELL THROTTLE

#83
20210265647
2021-08-26

Method of inspection for erroneous assembly of fuel cell stacks

#84
20210226238
2021-07-22

Fuel cell system

#85
20210226236
2021-07-22

Fuel cell system, and method of estimating humidity in exhaust gas therefrom

#86
20210202968
2021-07-01

System including fuel cell assembly voltage monitor

#87
20200403249
2020-12-24

Locally engineered PEM cells components with optimized operation for improved durability

#88
20200381757
2020-12-03

Hydrated magnesium hydride energy system

#89
20200381753
2020-12-03

Fuel cell throttle

#90
20200280083
2020-09-03

Fuel cell system

#91
20200274176
2020-08-27

FUEL CELL SYSTEM AND CONTROL METHOD OF FUEL CELL SYSTEM

#92
20200266468
2020-08-20

Fuel cell control system

#93
20200243886
2020-07-30

Fuel cell system and method of controlling fuel cell system

#94
20200243880
2020-07-30

Turbo compressor path and rate control

#95
20200203739
2020-06-25

Fuel cell system

#96
20200176800
2020-06-04

Reforming catalyst pattern for fuel cell operated with enhanced COutilization

#97
20200176794
2020-06-04

METHOD FOR DETECTING A LEAK IN A FUEL CELL SYSTEM AND FUEL CELL SYSTEM

#98
20200176793
2020-06-04

Regeneration of molten carbonate fuel cells for deep COcapture

#99
20200176791
2020-06-04

Elevated pressure operation of molten carbonate fuel cells with enhanced CO2 utilization

#100
20200176789
2020-06-04

Operation of molten carbonate fuel cells with enhanced COutilization

#101
20200168921
2020-05-28

Controlling method and device of fuel cell system with multiple stack towers

#102
20200161682
2020-05-21

Pressure control system and control method of fuel cell stack

#103
20200153010
2020-05-14

Fuel cell system and method for controlling the same

#104
20200153008
2020-05-14

Fuel cell state determination method and fuel cell state determination apparatus

#105
20200153005
2020-05-14

Fuel cell device and method for operating a fuel cell device

#106
20200144652
2020-05-07

Fuel cell system

#107
20200144644
2020-05-07

FUEL CELL SYSTEM

#108
20200127312
2020-04-23

FUEL CELL SYSTEM, CONTROL METHOD THEREFOR, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM IN WHICH A PROGRAM IS STORED

#109
20200067109
2020-02-27

Systems and methods for fuel-cell stack flow control with simultaneous load following

#110
20190393526
2019-12-26

CLOSED LOOP CONTROL FOR FUEL CELL WATER MANAGEMENT

#111
20190372142
2019-12-05

Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same

#112
20190372141
2019-12-05

Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same

#113
20190363384
2019-11-28

Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same

#114
20190280315
2019-09-12

Fuel cell system and method of controlling the same

#115
20190273273
2019-09-05

Fuel cell system, moving object including fuel cell system, and wind speed deriving method in fuel cell system

#116
20190273272
2019-09-05

Fuel cell system and method of controlling the same

#117
20190267645
2019-08-29

Fuel cell system and control method of fuel cell system

#118
20190267644
2019-08-29

Fuel cell load cycling to support the electric grid

#119
20190260048
2019-08-22

Fuel cell system and control method of fuel cell system

#120
20190229356
2019-07-25

Fuel cell system and method of controlling fuel cell system

#121
20190207230
2019-07-04

Temperature control system and method for fuel cell system and fuel cell system

#122
20190181475
2019-06-13

Equation based state estimate for air system controller

#123
20190181473
2019-06-13

Hydrogen concentration estimating method and system for fuel cell

#124
20190181465
2019-06-13

Fuel cell control method and control system

#125
20190178739
2019-06-13

Semiconductor pressure sensor

#126
20190140293
2019-05-09

Fuel cell module arrangement with leak recovery and methods of use

#127
20190137571
2019-05-09

Fuel cell stack prediction utilizing IHOS

#128
20190131642
2019-05-02

Fuel cell system and control method for turbine

#129
20190123367
2019-04-25

Fuel cell system and control method of fuel cell system

#130
20190115606
2019-04-18

Pinhole determination method and system for fuel cell

#131
20190093242
2019-03-28

Water electrolysis system (SOEC) or fuel cell (SOFC) operating under pressure in a tight enclosure with improved regulation

#132
20190088961
2019-03-21

Fuel cell system and method of controlling fuel cell system

#133
20190081339
2019-03-14

Fuel cell system and control method thereof

#134
20190074530
2019-03-07

Method for operating a fuel cell system

#135
20190071952
2019-03-07

FUEL CELL APPARATUS AND METHOD FOR DOWNHOLE POWER SYSTEMS

#136
20180375129
2018-12-27

Fuel cell system with anode degradation reduction control

#137
20180366749
2018-12-20

Method for controlling fuel cell system and fuel cell system

#138
20180351184
2018-12-06

FUEL CELL, CONTROL METHOD FOR FUEL CELL, AND COMPUTER READABLE RECORDING MEDIUM

#139
20180331376
2018-11-15

Fuel cell system and control method of fuel cell system

#140
20180323456
2018-11-08

Electrochemical cell and method of operation

#141
20180309144
2018-10-25

Method for controlling air flow in a fuel cell power system

#142
20180301724
2018-10-18

Fuel cell system and control method therefor

#143
20180272890
2018-09-27

Fuel cell vehicle

#144
20180269506
2018-09-20

Air supply control method and system for fuel cell

#145
20180212261
2018-07-26

Power generation system and method for activating fuel cell in power generation system

#146
20180196108
2018-07-12

Method and device for observing a state of a fuel-cell electrochemical system

#147
20180175409
2018-06-21

Fuel cell system

#148
20180175408
2018-06-21

Fuel cell system

#149
20180166719
2018-06-14

System and method for controlling fuel cell vehicle

#150
20180166712
2018-06-14

Air shut-off valve apparatus for fuel cell system and method of controlling same

#151
20180108928
2018-04-19

Method for power control of a fuel cell system in a vehicle

#152
20180097246
2018-04-05

Method and device for operating fuel cells with artificial air

#153
20180026286
2018-01-25

Fuel cell system having improved timing control and vehicle utilizing the same

#154
20180026285
2018-01-25

Fuel cell system

#155
20170373331
2017-12-28

STATE DETECTION DEVICE AND METHOD FOR FUEL CELL

#156
20170352899
2017-12-07

Fuel cell system with cathode bypass valve and control method for fuel cell system

#157
20170338503
2017-11-23

Method for controlling a fuel cell and associated fuel cell system

#158
20170338501
2017-11-23

FUEL CELL SYSTEM

#159
20170338500
2017-11-23

Air control system and method for fuel cell stack system

#160
20170331128
2017-11-16

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

#161
20170324100
2017-11-09

Fuel cell multifunction cathode valve

#162
20170317366
2017-11-02

Pinhole determination method and system for fuel cell

#163
20170301936
2017-10-19

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

#164
20170297451
2017-10-19

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

#165
20170263960
2017-09-14

Fuel cell system and control method of the same

#166
20170256805
2017-09-07

Fuel cell system and control method of the same

#167
20170248657
2017-08-31

Power generation characteristic estimation device for fuel cell

#168
20170237096
2017-08-17

Control of an electrochemical device with integrated diagnostics, prognostics and lifetime management

#169
20170229721
2017-08-10

Fuel cell system and fuel cell system control method

#170
20170207470
2017-07-20

Electrochemical cell and method of operation

#171
20170170495
2017-06-15

Wet state control device for fuel cell

#172
20170162886
2017-06-08

Fuel cell system

#173
20170162885
2017-06-08

Method for adjusting output of fuel cell system

#174
20170092255
2017-03-30

Fuel cell system

#175
20170018791
2017-01-19

Fuel cell system

#176
20160359181
2016-12-08

Apparatus and method for controlling air supply into fuel cell stack

#177
20160351928
2016-12-01

Fuel cell system and control method for fuel cell system

#178
20160336610
2016-11-17

METHOD FOR ADJUSTING AN OPERATING GAS FLOW IN A FUEL CELL SYSTEM, AND A FUEL CELL SYSTEM

#179
20160336609
2016-11-17

Apparatus and method for diagnosing failure of air supply system of fuel cell system

#180
20160308228
2016-10-20

Fuel cell system

#181
20160301091
2016-10-13

Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same

#182
20160285117
2016-09-29

Fuel cell system and method for controlling fuel cell system

#183
20160276681
2016-09-22

Fuel cell system

#184
20160254557
2016-09-01

Liquid fuel CPOX reformer and fuel cell systems, and methods of producing electricity

#185
20160254555
2016-09-01

Fuel cell system

#186
20160240904
2016-08-18

Fuel cell system and method for controlling fuel cell system

#187
20160240872
2016-08-18

Fuel cell system

#188
20160204455
2016-07-14

Simplification of the electrical system of fuel cells by means of depletion of the cathode supply

#189
20160201436
2016-07-14

Fuel cell apparatus and method for downhole power systems

#190
20160197367
2016-07-07

Fuel cell system and method for controlling fuel cell system

#191
20160190616
2016-06-30

Structure of fuel cell system and controlling method thereof

#192
20160164131
2016-06-09

Activation apparatus of fuel cell stack for performing automatic activation and performance evaluation

#193
20160164127
2016-06-09

Control method and system of fuel cell system

#194
20160164121
2016-06-09

Air supply control system of fuel cell

#195
20160156046
2016-06-02

Fuel cell system and control method of fuel cell system

#196
20160149242
2016-05-26

Fuel cell system and method of controlling fuel cell system

#197
20160141905
2016-05-19

Power supply system and voltage control method for fuel cell

#198
20160141678
2016-05-19

Fuel cell system and a method of detecting a hydrogen gas leak

#199
20160141656
2016-05-19

Fuel cell system and control method therefor

#200
20160141654
2016-05-19

Fuel cell system and air system abnormality determination method

#201
20160141649
2016-05-19

Device and method for supplying a fuel cell battery

#202
20160133974
2016-05-12

Fuel cell system and control method of fuel cell system

#203
20160133969
2016-05-12

Fuel cell system and power generation monitoring method

#204
20160111736
2016-04-21

Fuel cell system programmed for improved air compressor control

#205
20160079786
2016-03-17

Rechargeable battery

#206
20160064756
2016-03-03

Fuel cell system and method of controlling the fuel cell system

#207
20160049672
2016-02-18

Fuel cell system and method of controlling fuel cell system

#208
20160049671
2016-02-18

Fuel cell system and control method therefor

#209
20160043417
2016-02-11

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

#210
20160036078
2016-02-04

Fuel cell device

#211
20160036077
2016-02-04

Apparatus and method for managing fuel cell vehicle system

#212
20160006060
2016-01-07

Method of controlling operation of fuel cell system

#213
20150357661
2015-12-10

Method for detecting leakage of a reducing fluid throughout an electrolyte membrane of an electrochemical cell

#214
20150349359
2015-12-03

Fuel cell system

#215
20150340717
2015-11-26

Method and system for controlling air intake of fuel cell vehicle

#216
20150325874
2015-11-12

Redox flow battery system and method of controlling it

#217
20150311547
2015-10-29

Fuel cell cathode balance of plant freeze strategy

#218
20150295256
2015-10-15

Power generation system, and methods for starting and operating fuel cell in power generation system

#219
20150288015
2015-10-08

Module level redundancy for fuel cell systems

#220
20150288009
2015-10-08

Power generation system and method for activating fuel cell in power generation system

#221
20150244012
2015-08-27

Method for supplying air to a fuel cell

#222
20150207159
2015-07-23

Fuel cell system and control method thereof

#223
20150162629
2015-06-11

Fuel cell system

#224
20150155577
2015-06-04

Fuel cell stack and control method thereof

#225
20150155574
2015-06-04

Driving control method and system of fuel cell system

#226
20150140464
2015-05-21

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

#227
20150134277
2015-05-14

Method for checking the gas tightness of a fuel cell system

#228
20150086894
2015-03-26

Fuel cell system

#229
20150064589
2015-03-05

Fuel cell system and its control method

#230
20150037701
2015-02-05

Fuel cell system

#231
20150030956
2015-01-29

Cell stack device, fuel cell module, fuel cell device, and method of fabricating cell stack device

#232
20150030953
2015-01-29

Fuel cell system

#233
20150004511
2015-01-01

Method for controlling air flow in a fuel cell power system

#234
20150004508
2015-01-01

Fuel cell system and control method for fuel cell system

#235
20150004506
2015-01-01

Fuel cell system

#236
20140356751
2014-12-04

Method sensor and regulation apparatus for regulating gas operated energy converter plants

#237
20140322625
2014-10-30

Systems and methods to monitor and control a flow of air within a fuel cell stack

#238
20140295302
2014-10-02

Fuel cell monitoring device

#239
20140272654
2014-09-18

Remedial actions for air flow errors in a fuel cell system

#240
20140272646
2014-09-18

Fuel cell system and method to prevent water-induced damage

#241
20140272644
2014-09-18

FCS overall efficiency by using stored cathode oxygen during down-transients

#242
20140272611
2014-09-18

Metal/oxygen battery with an oxygen supply system

#243
20140220466
2014-08-07

Fuel cell system

#244
20140205923
2014-07-24

Power generation characteristic estimation device for fuel cell

#245
20140203636
2014-07-24

Operating method for an electric energy system of a motor vehicle comprising a fuel cell system, an accumulator and an electric motor

#246
20140162171
2014-06-12

Anode leak location detection

#247
20140162155
2014-06-12

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

#248
20140154601
2014-06-05

Module level redundancy for fuel cell systems

#249
20140134508
2014-05-15

Fuel cell system and method for controlling fuel cell system

#250
20140120447
2014-05-01

Reactive compressor surge mitigation strategy for a fuel cell power system

#251
20140120444
2014-05-01

Systems and methods for controlling a compressor recirculation valve

#252
20140093796
2014-04-03

Wet state control device for fuel cell

#253
20140081497
2014-03-20

System and method for controlling fuel cell system

#254
20140080022
2014-03-20

Apparatus and method for managing fuel cell vehicle system

#255
20140017584
2014-01-16

Module level redundancy for fuel cell systems

#256
20140011105
2014-01-09

Reverse flow relief valve for a fuel cell system

#257
20130323618
2013-12-05

Pressure-regulating device for a system of fuel-cell stacks

#258
20130288148
2013-10-31

Fuel cell system

#259
20130171533
2013-07-04

Method and arrangement to control operating conditions in fuel cell device

#260
20130157158
2013-06-20

Fuel cell system

#261
20130089800
2013-04-11

Fuel cell system having a fuel cell arranged in a housing

#262
20130004869
2013-01-03

FUEL CELL SYSTEM

#263
20120328911
2012-12-27

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

#264
20120321979
2012-12-20

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

#265
20120308908
2012-12-06

Fuel cell system

#266
20120282536
2012-11-08

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

#267
20120276465
2012-11-01

Method for detecting the sealed state of a fuel cell

#268
20120270127
2012-10-25

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

#269
20120251914
2012-10-04

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

#270
20120208102
2012-08-16

Fluid regulating microvalve assembly for fluid consuming cells with spring-like shape-retaining aperture cover

#271
20120202131
2012-08-09

Fuel cell system and control method for fuel cell system

#272
20120148927
2012-06-14

Controller for estimating relative humidity and condensed water, and method for controlling condensed water drain using the same

#273
20120141897
2012-06-07

Start-up method for fuel cell

#274
20120141896
2012-06-07

FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME

#275
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

#276
20120107711
2012-05-03

Operation control device and operation control method for fuel cell power plant

#277
20120088177
2012-04-12

Adaptive compressor surge control in a fuel cell system

#278
20120082873
2012-04-05

Cross-flow electrochemical batteries

#279
20120077097
2012-03-29

FUEL CELL SYSTEM AND OPERATION METHOD THEREFOR

#280
20120070753
2012-03-22

FUEL CELL SYSTEM AND CONTROL SYSTEM FOR SAME

#281
20120028147
2012-02-02

FUEL CELL VEHICLE AND METHOD FOR CONTROLLING OPERATION OF THE SAME

#282
20120021322
2012-01-26

Fuel cell stack flow diversion

#283
20120015270
2012-01-19

Fuel cell system control during low efficiency operation

#284
20120003557
2012-01-05

Fuel cell system and start-up control method therefor

#285
20120000435
2012-01-05

Engine systems and methods of operating an engine

#286
20110274998
2011-11-10

Fuel cell system and method for controlling same

#287
20110250519
2011-10-13

Fuel cell system

#288
20110250516
2011-10-13

Method of shut-down and starting of a fuel cell

#289
20110223504
2011-09-15

Fuel cell system

#290
20110217608
2011-09-08

Power generation control device and power generation control method for fuel cell

#291
20110207013
2011-08-25

MULTIPLE FLOW STREAM SENSOR

#292
20110183226
2011-07-28

Fuel cell system

#293
20110143244
2011-06-16

Start-up method for fuel cell

#294
20110143241
2011-06-16

FUEL CELL OPERATIONAL METHODS FOR OXYGEN DEPLETION AT SHUTDOWN

#295
20110129744
2011-06-02

Thermal management system for high-temperature fuel cell

#296
20110123885
2011-05-26

Fuel cell system and gas control method

#297
20110123883
2011-05-26

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

#298
20110113857
2011-05-19

Online estimation of cathode inlet and outlet RH from stack average HFR

#299
20110111318
2011-05-12

METHOD OF OPERATING A FUEL CELL/BATTERY PASSIVE HYBRID POWER SUPPLY

#300
20110091779
2011-04-21

PEM fuel cell stack inlet water regulation system