ClassID:

213520

H01M8/04723 - 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 the coolant

Recent Application in this class:
#1
20260149011
2026-05-28

FUEL CELL VEHICLE

#2
20260109266
2026-04-23

MANAGING TRANSITION OF A FUEL CELL VEHICLE TO A HOT OPERATING MODE

#3
20260074248
2026-03-12

FUEL CELL SYSTEM CONTROL USING CELL VOLTAGE MONITORING

#4
20260024791
2026-01-22

FUEL CELL SYSTEM CONTROL

#5
20260018635
2026-01-15

LOAD REDUCTION LIMITATION IN HIGH-TEMPERATURE OPERATION

#6
20260011756
2026-01-08

Fuel Cell System

#7
20260005271
2026-01-01

SYSTEMS AND METHODS FOR INITIALIZING A FUEL CELL (FC) USING SPLIT BATTERIES AND POWERING A LOAD

#8
20260005270
2026-01-01

Fuel Cell Vehicle

#9
20250385285
2025-12-18

FLUID COOLING SYSTEM

#10
20250286094
2025-09-11

FUEL CELL COOLING SYSTEM

#11
20250260033
2025-08-14

FUEL CELL SYSTEM

#12
20250246658
2025-07-31

SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#13
20250233177
2025-07-17

FUEL CELL SYSTEM

#14
20250233176
2025-07-17

A METHOD FOR OPERATING A FUEL CELL SYSTEM

#15
20250233170
2025-07-17

THERMAL MANAGEMENT SYSTEM FOR A FUEL CELL STACK

#16
20250219115
2025-07-03

SYSTEMS AND METHODS FOR OPERATING A FUEL CELL SYSTEM

#17
20250201880
2025-06-19

FUEL CELL SYSTEM

#18
20250183339
2025-06-05

A METHOD FOR CONTROLLING A TEMPERATURE OF A FUEL CELL SYSTEM

#19
20250167269
2025-05-22

SYSTEMS AND METHODS OF ACCELERATING FUEL CELL START-UP AND WARM-UP TIMES

#20
20250158096
2025-05-15

FUEL CELL SYSTEM AND CONTROL METHOD

#21
20250135958
2025-05-01

RAILWAY VEHICLE COMPRISING A FUEL CELL POWER MODULE AND A SYSTEM FOR PRODUCING COOLING AIR USING RESIDUAL WATER

#22
20250118782
2025-04-10

COOLING SYSTEM FOR AN APPARATUS WITH A FUEL CELL DEVICE AND AN ELECTRICAL ENERGY STORE AND METHOD FOR COOLING A FUEL CELL DEVICE

#23
20250105324
2025-03-27

APPARATUS, SYSTEM, AND METHOD FOR CONTROLLING MULTIPLE INTEGRATED FUEL CELL SYSTEMS HAVING A COMMON COOLING SYSTEM

#24
20250087732
2025-03-13

METHOD FOR REDUCING TEMPERATURE PEAKS IN A FUEL CELL

#25
20250070204
2025-02-27

A METHOD FOR CONTROLLING A FUEL CELL SYSTEM

#26
20250062375
2025-02-20

A METHOD FOR OPERATING A FUEL CELL

#27
20250062371
2025-02-20

Additional Cooling Pack with Fans to Handle and Peak Shave Fuel Cell Transients and High Ambient Temperatures

#28
20250015319
2025-01-09

GRID-INTERACTIVE CRYOGENIC ENERGY STORAGE SYSTEMS WITH WASTE COLD RECOVERY CAPABILITIES

#29
20240399931
2024-12-05

COOLING SYSTEM FOR AIRCRAFT

#30
20240396065
2024-11-28

Fuel Cell System and Electric Vehicle

#31
20240347743
2024-10-17

FUEL CELL THERMAL MANAGEMENT SYSTEM AND METHOD OF CONTROLLING THE SAME

#32
20240322204
2024-09-26

METHOD FOR OPERATING A FUEL CELL SYSTEM

#33
20240290996
2024-08-29

CONTROL SYSTEM FOR FLOW CONTROL VALVE

#34
20240271833
2024-08-15

SYSTEMS, METHODS, AND APPARATUS FOR COOLING SUPERCONDUCTING MOTORS

#35
20240266557
2024-08-08

Cooler passivation process for a coolant cooler of a cooler device mounted in a motor vehicle, cooler device, and use of a motor vehicle to passivate a coolant cooler of a cooler device

#36
20240234759
2024-07-11

METHOD FOR CONTROLLING A DRYING PROCESS OF A FUEL CELL SYSTEM

#37
20240222665
2024-07-04

SYSTEM AND METHOD FOR THERMAL MANAGEMENT OF ELECTRIC PARTS

#38
20240170699
2024-05-23

Antioxidant Liquid for Fuel Cell and Method of Charging Same

#39
20240162457
2024-05-16

FUEL CELL SYSTEM AND A FUEL CELL SYSTEM CONTROL METHOD

#40
20240063412
2024-02-22

FUEL CELL SYSTEM AND THERMAL MANAGEMENT METHOD THEREOF

#41
20240047718
2024-02-08

METHOD FOR ESTABLISHING THE DEGRADATION OF A HUMIDIFIER

#42
20240039019
2024-02-01

FUEL CELL SYSTEM AND METHOD FOR START CONTROL THEREIN

#43
20230395829
2023-12-07

Grid-interactive cryogenic energy storage systems with waste cold recovery capabilities

#44
20230382537
2023-11-30

System for providing protection from icing using a fuel cell

#45
20230290965
2023-09-14

FUEL CELL COOLING SYSTEM

#46
20230282849
2023-09-07

FUEL CELL SYSTEM

#47
20230268526
2023-08-24

SYSTEM FOR PROTECTING A FUEL CELL FROM COLD TEMPERATURES

#48
20230187671
2023-06-15

STRUCTURE FOR IMPROVING PERFORMANCE OF FUEL CELL THERMAL MANAGEMENT SYSTEM

#49
20230187664
2023-06-15

SYSTEMS AND METHODS FOR CONTROLLING THE THERMAL MANAGEMENT SYSTEM IN A FUEL CELL POWERTRAIN SYSTEM

#50
20230155149
2023-05-18

PI control partial derivative based I-term for wind-up prevention

#51
20230101923
2023-03-30

SYSTEMS AND METHODS FOR LIQUID HEATING BALANCE OF PLANT COMPONENTS OF A FUEL CELL MODULE

#52
20230078213
2023-03-16

Cooling system in a fuel cell electric vehicle and method of controlling a cooling system in a fuel cell electric vehicle

#53
20230029261
2023-01-26

ENERGY RECOVERY DEVICE

#54
20230026964
2023-01-26

Fuel device and the use thereof in a motor vehicle

#55
20230016974
2023-01-19

Fuel cell system, working machine including the same, and method of controlling fuel cell system

#56
20230011420
2023-01-12

COOLING SYSTEM

#57
20230008243
2023-01-12

FUEL CELL COOLING SYSTEM

#58
20230006224
2023-01-05

Method for dealing with fault in fuel cell system

#59
20220376277
2022-11-24

Method and apparatus for controlling coolant temperature in fuel cell system

#60
20220306128
2022-09-29

Preconditioning a fuel cell using route data

#61
20220271307
2022-08-25

Fuel cell system

#62
20220231314
2022-07-21

Method for optimizing performance in fuel cell system

#63
20220200027
2022-06-23

Temperature control method for vehicular proton exchange membrane fuel cell system

#64
20220169149
2022-06-02

Fuel cell system

#65
20220158204
2022-05-19

CATALYTIC HEATERS FOR EVAPORATIVELY COOLED FUEL CELL SYSTEMS

#66
20220102743
2022-03-31

Electrochemical cell system

#67
20220045342
2022-02-10

Fuel cell system

#68
20220032818
2022-02-03

Spraying water in ram air for fuel cell power systems in aircraft

#69
20220029181
2022-01-27

Fuel cell vehicle with a water system

#70
20210384534
2021-12-09

Thermal management system for fuel cell vehicle and control method thereof

#71
20210376352
2021-12-02

Control system, moving body, and control method

#72
20210376343
2021-12-02

Device and method for controlling start-up of fuel cell vehicle

#73
20210336282
2021-10-28

Apparatus and method for controlling cooling of fuel cell-based generator system

#74
20210242477
2021-08-05

Method for start preparation

#75
20210226231
2021-07-22

Devices and Methods for Controlling A Fluid Module

#76
20210210776
2021-07-08

Fuel cell system and a method and apparatus for starting a fuel cell stack

#77
20210202962
2021-07-01

Fuel cell flow field design for thermal management

#78
20210175521
2021-06-10

System and method for controlling fuel cell

#79
20210111423
2021-04-15

Cooling control system and control method of fuel cell

#80
20210098805
2021-04-01

Aircraft fuel cells system

#81
20210091390
2021-03-25

Media management plate comprising water trap and water reservoir, and fuel cell system

#82
20210075046
2021-03-11

Fuel cell system, control apparatus, and control method

#83
20210036349
2021-02-04

Control system and control method for fuel cell cooling

#84
20210028468
2021-01-28

Fuel cell system and method of operating same

#85
20210020966
2021-01-21

Fuel cell system

#86
20200331361
2020-10-22

Method for operating a fuel cell system for a motor vehicle

#87
20200321641
2020-10-08

Degradation-conscious control for PEM fuel cells

#88
20200321637
2020-10-08

Fuel cell system

#89
20200309473
2020-10-01

APPARATUS FOR PROTECTING NEGATIVE PRESSURE

#90
20200303750
2020-09-24

Coolant storage tank

#91
20200259191
2020-08-13

Method for operating a fuel cell and controller therefore

#92
20200251759
2020-08-06

System and method for controlling coolant temperature for fuel cell

#93
20200235412
2020-07-23

Fuel cell system and refrigerant flow rate estimation method for the same

#94
20200185746
2020-06-11

Catalyst deterioration recovery device and catalyst deterioration recovery method

#95
20200185733
2020-06-11

Cooling control system and method of fuel cell

#96
20200176796
2020-06-04

Methods and systems for controlling water imbalance in an electrochemical cell

#97
20200156800
2020-05-21

Cooling and gas dehumidifying system, transport means, and method for operating a cooling and gas dehumidifying system

#98
20200136157
2020-04-30

Fuel cell system

#99
20200099070
2020-03-26

Fuel cell system

#100
20200067115
2020-02-27

Fuel cell system

#101
20200052313
2020-02-13

Fuel cell system

#102
20190386323
2019-12-19

Method for detecting and lessening fuel starvation in fuel cell systems

#103
20190245222
2019-08-08

Coolant storage tank

#104
20190173113
2019-06-06

Fuel cell system and fuel cell system control method

#105
20190165396
2019-05-30

Cooling system dT/dt based control

#106
20190165395
2019-05-30

Equation based state estimator for cooling system controller

#107
20190165394
2019-05-30

Equation based cooling system control strategy/method

#108
20190165392
2019-05-30

Fuel cell system

#109
20190165387
2019-05-30

Partial derivative based feedback controls for pid

#110
20190123406
2019-04-25

Fuel-cell vehicle

#111
20190051917
2019-02-14

Control device for fuel cell system

#112
20190020041
2019-01-17

Fuel cell flow field design for thermal management

#113
20180219237
2018-08-02

Fuel Cell Freeze Protection Device and System

#114
20180183080
2018-06-28

FUEL CELL COOLING SYSTEM

#115
20180175420
2018-06-21

Heat exchange device for cooling water of fuel cell and fuel cell system comprising the same

#116
20180145355
2018-05-24

Fuel cell system

#117
20180114998
2018-04-26

Thermal management system for fuel cell vehicle and control method thereof

#118
20180040908
2018-02-08

Radiator cleaning treatment method and method for cleaning radiator

#119
20180019485
2018-01-18

Control of fuel cell cooling system in a vehicle

#120
20170365865
2017-12-21

Cooling system and method for use with a fuel cell

#121
20170346106
2017-11-30

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

#122
20170309929
2017-10-26

Coolant injection controller

#123
20170301935
2017-10-19

APPARATUS AND METHOD FOR CONTROLLING FUEL CELL STACK

#124
20170250426
2017-08-31

POWER GENERATION STOPPING METHOD FOR FUEL CELL SYSTEM AND FUEL CELL SYSTEM

#125
20170214065
2017-07-27

Coolant storage tank

#126
20170170495
2017-06-15

Wet state control device for fuel cell

#127
20170167808
2017-06-15

APPARATUS FOR PROTECTING NEGATIVE PRESSURE

#128
20170166082
2017-06-15

Control method of cooling water pump of fuel cell vehicle

#129
20170162890
2017-06-08

Fuel cell system

#130
20170092971
2017-03-30

Systems and methods for initiating voltage recovery in a fuel cell system

#131
20170062846
2017-03-02

Thermal management system of fuel cell vehicle

#132
20170054167
2017-02-23

Device and method for improving stack performance of fuel cell system

#133
20170012310
2017-01-12

Cooling system and operating method of cooling system

#134
20170008420
2017-01-12

Driving control method and system of fuel cell vehicle

#135
20160380288
2016-12-29

Warming feature for aircraft fuel cells

#136
20160380282
2016-12-29

Fuel cell system

#137
20160301089
2016-10-13

Fuel cell system and control method thereof

#138
20160233530
2016-08-11

Fuel cell assembly with cooling system

#139
20160149238
2016-05-26

APPARATUS AND METHOD FOR CONTROLLING COOLING PUMP OF FUEL CELL SYSTEM

#140
20160149234
2016-05-26

Fuel cell system

#141
20160141680
2016-05-19

Fuel cell system

#142
20160141679
2016-05-19

Fuel cell system, fuel cell mountable vehicle and method of controlling fuel cell system

#143
20160141647
2016-05-19

Fuel cell system and control method for fuel cell system

#144
20160141645
2016-05-19

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

#145
20160036070
2016-02-04

Dynamically controlled heat exchange for cascading startup of fuel cell grids

#146
20160006059
2016-01-07

DRIVING CONTROL METHOD AND SYSTEM OF FUEL CELL SYSTEM

#147
20150349358
2015-12-03

Fuel cell system and control method for the same

#148
20150311543
2015-10-29

Fuel cell system and control method thereof

#149
20150288014
2015-10-08

APPARATUS AND METHOD FOR CONTROLLING COOLANT TEMPERATURE OF FUEL CELL SYSTEM

#150
20150270565
2015-09-24

System and method for recovering output of fuel cell

#151
20150183338
2015-07-02

Thermal management system for fuel cell vehicles

#152
20140363752
2014-12-11

Systems and methods for controlling cabin heating in fuel cell vehicles

#153
20140342259
2014-11-20

Fuel cell system

#154
20140329160
2014-11-06

System and method for thermal priority operation of a fuel cell power plant

#155
20140220467
2014-08-07

Fuel cell system

#156
20140162152
2014-06-12

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

#157
20140147764
2014-05-29

System for adjusting temperature of cooling-liquid for fuel cell, and thermostat valve

#158
20140093796
2014-04-03

Wet state control device for fuel cell

#159
20140080024
2014-03-20

Electric power supply system

#160
20140072894
2014-03-13

COOLANT CYCLE FOR A FUEL CELL SYSTEM AND METHOD FOR OPERATING A COOLANT CYCLE

#161
20130337356
2013-12-19

FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME

#162
20130323539
2013-12-05

Fuel cell system and fuel cell system control method

#163
20130288082
2013-10-31

Warming feature for aircraft fuel cells

#164
20130236804
2013-09-12

Cooling system and method for use with a fuel cell

#165
20130157158
2013-06-20

Fuel cell system

#166
20130149624
2013-06-13

AIR-INTAKE APPARATUS FOR AIR-COOLED FUEL CELL

#167
20130078543
2013-03-28

OPERATION METHOD FOR FUEL CELL, AND FUEL CELL SYSTEM

#168
20120304673
2012-12-06

INTEGRATED ENERGY MANAGEMENT SYSTEM INCLUDING A FUEL CELL COUPLED REFRIGERATION SYSTEM

#169
20120304672
2012-12-06

FUEL CELL-COUPLED HEATING AND REFRIGERATION SYSTEM

#170
20120118878
2012-05-17

Induction heating device for fuel cell system

#171
20120115052
2012-05-10

Fuel cell system and method for operating fuel cell system

#172
20120082914
2012-04-05

Method to thaw frozen coolant in a fuel cell system

#173
20120021320
2012-01-26

FUEL CELL SYSTEM AND METHOD FOR OPERATING FUEL CELL SYSTEM

#174
20110269035
2011-11-03

FUEL CELL SYSTEM AND OPERATING METHOD THEREOF

#175
20110265981
2011-11-03

SYSTEM FOR RECYCLING THERMAL ENERGY GENERATED FROM A FUEL CELL MODULE

#176
20110223507
2011-09-15

Systems and methods for fuel cell thermal management

#177
20110177416
2011-07-21

Cooling system

#178
20110159393
2011-06-30

Vehicle fuel cell cooling system

#179
20110104581
2011-05-05

Heat controllable visualization apparatus for transparent PEMFC

#180
20110086279
2011-04-14

FLUID COOLING APPARATUS FOR A FUEL CELL DEVICE AND FUEL CELL SYSTEM

#181
20110039177
2011-02-17

Fuel cell with cooling method at start up

#182
20100330448
2010-12-30

Fuel cell power plant having improved operating efficiencies

#183
20100320960
2010-12-23

Fuel cell system and control method thereof

#184
20100304260
2010-12-02

Fuel cell system and method of controlling fuel cell system

#185
20100255396
2010-10-07

Fuel cell system

#186
20100248047
2010-09-30

FUEL CELL SYSTEM

#187
20100221624
2010-09-02

Fuel cell system

#188
20100183934
2010-07-22

Fuel cell system

#189
20100167149
2010-07-01

Fuel cell system

#190
20100151340
2010-06-17

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

#191
20100112389
2010-05-06

Fuel cell system and warming up completion determining method for the same

#192
20100104908
2010-04-29

Fuel cell system and operating method thereof

#193
20100086812
2010-04-08

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

#194
20100068569
2010-03-18

Fuel cell system and method for controlling the fuel cell system

#195
20100035095
2010-02-11

Fuel cell system

#196
20100015483
2010-01-21

Reaction gas temperature and humidity regulating module for fuel cell stack

#197
20100015474
2010-01-21

Adaptive Technique and Apparatus to Detect an Unhealthy Condition of a Fuel Cell System

#198
20090286111
2009-11-19

Self-tuning thermal control of an automotive fuel cell propulsion system

#199
20090274940
2009-11-05

FUEL CELL AND FUEL CELL SYSTEM

#200
20090239108
2009-09-24

Fuel cell cogeneration system, method of operating

#201
20090181271
2009-07-16

Fuel cell system

#202
20090176135
2009-07-09

Operating fuel cell during down time on cryogenic hydrogen boil-off

#203
20090169934
2009-07-02

Fuel cell system

#204
20090162710
2009-06-25

Fuel cell system

#205
20090136804
2009-05-28

Fuel cell system and its temperature adjusting method

#206
20090126902
2009-05-21

Air and coolant circuit configurations and control of fuel cell systems as power source in automotive, stationary, and portable applications

#207
20090123788
2009-05-14

Fuel cell system and operating method thereof

#208
20090110966
2009-04-30

Method for improving FCS reliability after end cell heater failure

#209
20090104478
2009-04-23

Method for controlling the pressure in an anode of a fuel cell, and a fuel cell

#210
20090087702
2009-04-02

Fuel cell system

#211
20090075127
2009-03-19

METHOD FOR MEASURING HIGH-FREQUENCY RESISTANCE OF FUEL CELL IN A VEHICLE

#212
20090061269
2009-03-05

Fuel cell system and control method therefor

#213
20090053564
2009-02-26

METHOD AND SYSTEM FOR OPERATING FUEL CELL STACKS TO REDUCE NON-STEADY STATE CONDITIONS DURING LOAD TRANSIENTS

#214
20090035613
2009-02-05

Fuel cell system

#215
20090023023
2009-01-22

Fuel Cell Control System

#216
20080220300
2008-09-11

Method and apparatus for controlling an integrated fuel cell system

#217
20080081238
2008-04-03

Water transfer efficiency improvement in a membrane humidifier by reducing dry air inlet temperature

#218
20070287041
2007-12-13

System level adjustments for increasing stack inlet RH

#219
20070259227
2007-11-08

Fuel cell system and control method therefor

#220
20070248857
2007-10-25

FUEL CELL SYSTEM

#221
20070243427
2007-10-18

Fuel cell employing cooling liquid passages for starting at low temperature

#222
20070231643
2007-10-04

Fuel cell system

#223
20070204984
2007-09-06

Coolant circuit and method of cooling a fuel cell stack

#224
20070202367
2007-08-30

Fuel cell system and fuel cell system failure judgment method

#225
20070196708
2007-08-23

Fuel cell system and activation method of fuel cell

#226
20070154755
2007-07-05

Apparatus for measuring an electrical characteristic of an electrochemical device

#227
20070065695
2007-03-22

Coolant flow estimation for the thermal loop of a fuel cell system using stack loss power

#228
20070065694
2007-03-22

Advanced control for an electrical heatable wax thermostat in the thermal coolant loop of fuel cell systems

#229
20070042235
2007-02-22

Fuel cell system

#230
20070029123
2007-02-08

Rapid startup of a fuel cell power module using motor drive

#231
20060280977
2006-12-14

Fuel cell system

#232
20060263653
2006-11-23

Management via dynamic water holdup estimator in a fuel cell

#233
20060263652
2006-11-23

Fuel cell system relative humidity control

#234
20060263651
2006-11-23

Relative humidity profile control strategy for high current density stack operation

#235
20060251943
2006-11-09

Polymer electrolyte fuel cell power generation system

#236
20060172164
2006-08-03

Fuel cell and fuel cell system

#237
20060063048
2006-03-23

Optimal temperature tracking for necessary and accurate thermal control of a fuel cell system

#238
20060046126
2006-03-02

Fuel cell and information terminal carrying the same

#239
20060019136
2006-01-26

Fuel cell stack temperature control system and method

#240
20050282050
2005-12-22

Integrated fuel cell stack thermostat

#241
20050214607
2005-09-29

Polymer electrolyte fuel cell power generation system and stationary co-generation system using the same

#242
20050130005
2005-06-16

Fuel cell system with partial heating of each individual fuel cell

#243
20050128689
2005-06-16

Self-sustaining environmental control unit

#244
20050118473
2005-06-02

Fuel cell device and related control method

#245
20050079393
2005-04-14

Method and system for controlling constant temperature for fuel cells

#246
20050019631
2005-01-27

Fuel cell cogeneration system

#247
18324748
2023-09-12

Dynamic adjustment of current or power draw for fuel cell applications with enhanced transient capabilities

#248
16181965
2020-03-17

Methods and systems for controlling water imbalance in an electrochemical cell