ClassID:

213503

H01M8/04597 - 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; Electric variables; Current of auxiliary devices, e.g. batteries, capacitors

Recent Application in this class:
#1
20250260026
2025-08-14

SYSTEMS AND METHODS FOR PROVIDING HEAT CONTROL IN A MULTI-STACK FUEL CELL SYSTEM

#2
20250105319
2025-03-27

METHOD FOR OPERATING A FUEL CELL SYSTEM, AND CONTROL DEVICE

#3
20250096291
2025-03-20

Method and Device of Controlling Drain Valve in Fuel Cell, Controller, Fuel Cell System, and Medium

#4
20240413364
2024-12-12

COMPRESSOR SYSTEM FOR A FUEL CELL SYSTEM

#5
20240367554
2024-11-07

FUEL CELL POWER AND BATTERY STATE-OF-CHARGE MANAGEMENT

#6
20240322204
2024-09-26

METHOD FOR OPERATING A FUEL CELL SYSTEM

#7
20240258545
2024-08-01

TREATMENT OF HYDROGEN- AND OXYGEN-CONTAINING RESIDUAL GASES OF FUEL CELLS

#8
20240222666
2024-07-04

FUEL CELL HYDROGEN MODULE

#9
20240194911
2024-06-13

FUEL CELL SYSTEM AND AIR BLEEDING METHOD THEREOF

#10
20230387436
2023-11-30

VALVE OPENING/CLOSING DETECTION DEVICE FOR FUEL CELL SYSTEM AND METHOD THEREFOR

#11
20230282855
2023-09-07

POWER NET SYSTEM FOR FUEL CELLS AND METHOD FOR CONTROLLING THE SAME

#12
20230216307
2023-07-06

Power supply device and power supplying method

#13
20230187670
2023-06-15

FUEL CELL BASED POWER GENERATOR

#14
20230118048
2023-04-20

Fuel cell hydrogen module

#15
20220407091
2022-12-22

SOFC cooling system, fuel cell and hybrid vehicle

#16
20220399556
2022-12-15

FUEL CELL SYSTEM

#17
20220224232
2022-07-14

Power supply unit with current control

#18
20220052361
2022-02-17

Fuel cell oxygen delivery system, method and apparatus for clean fuel electric aircraft

#19
20210151782
2021-05-20

Redox flow battery system

#20
20200295390
2020-09-17

Fuel cell based power generator

#21
20200144643
2020-05-07

System and method of controlling air compressor motor for fuel cell vehicle and system and method of controlling operation of fuel cell vehicle using same

#22
20190337403
2019-11-07

Electrical vehicle system with converters to share power between fuel, cell, high voltage battery and low voltage battery

#23
20190273437
2019-09-05

Fuel cell system and method for controlling the fuel cell system

#24
20190207232
2019-07-04

Overload Protection Device

#25
20190193589
2019-06-27

Fuel Cell System

#26
20190148748
2019-05-16

System and method for fuel cell stack temperature control

#27
20190123368
2019-04-25

Power modulation for fuel cell powered datacenters

#28
20190123366
2019-04-25

Fuel cell vehicle

#29
20190054839
2019-02-21

Method for operating a fuel cell arrangement and also a corresponding fuel cell arrangement

#30
20180375134
2018-12-27

Circuit arrangement for impressing an electrical signal into an electrochemical energy supply device

#31
20180301719
2018-10-18

Motor vehicle with a fuel cell

#32
20180166720
2018-06-14

Fuel cell system and secondary battery diagnosis method

#33
20180114999
2018-04-26

Fuel cell system

#34
20170294664
2017-10-12

Battery pack manufacturing method using hot-melt fixing structure and battery pack manufactured using the same

#35
20170214070
2017-07-27

Power modulation for fuel cell powered datacenters

#36
20170203669
2017-07-20

Power control device for vehicle

#37
20170187056
2017-06-29

FUEL CELL VEHICLE

#38
20170110746
2017-04-20

Methods and systems for detecting leaks in a fuel cell stack

#39
20160238664
2016-08-18

Method for estimating power of fuel cell

#40
20150333350
2015-11-19

Fuel cell activation apparatus, fuel cell activation method, and fuel cell activation system

#41
20150180057
2015-06-25

Method for generating injection current for fuel cell stack and apparatus for performing the same

#42
20150112530
2015-04-23

Method and system for controlling a fuel cell vehicle

#43
20150075885
2015-03-19

Fuel cell vehicle

#44
20140132238
2014-05-15

System and method for sensing and mitigating hydrogen evolution within a flow battery system

#45
20130149573
2013-06-13

Flow and SOC determination using pump measurements

#46
20120321916
2012-12-20

System and method for sensing and mitigating hydrogen evolution within a flow battery system

#47
20120292990
2012-11-22

Method of controlling fuel cell vehicle

#48
20120270128
2012-10-25

Fuel cell power generation system

#49
20120135324
2012-05-31

DEVICE FOR REMOVING GENERATED WATER

#50
20120062166
2012-03-15

Integrated fuel processor and fuel cell system control method

#51
20120028151
2012-02-02

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

#52
20120007545
2012-01-12

Fuel cell system, control method for the fuel cell system, and vehicle equipped with the fuel cell system

#53
20110229781
2011-09-22

Variable anode flow rate for fuel cell vehicle start-up

#54
20110226048
2011-09-22

Diagnosis concept for valve controlled coolant bypass paths

#55
20110223506
2011-09-15

Method for HV bus voltage control in fuel cell vehicles featuring HV lithium batteries

#56
20110171550
2011-07-14

METHOD FOR CONTROLLING FUEL CELL SYSTEM AND FUEL CELL SYSTEM USING THE SAME

#57
20110111318
2011-05-12

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

#58
20110064976
2011-03-17

Fuel cell vehicle and method of controlling fuel cell and storage battery provided in the fuel cell vehicle

#59
20110027670
2011-02-03

APPARATUS FOR GENERATING ELECTRICITY FROM A CHEMICAL HYDRIDE

#60
20100304244
2010-12-02

Solid oxide fuel cell device

#61
20100266916
2010-10-21

Fuel cell system

#62
20100266914
2010-10-21

Fuel cell system

#63
20100151339
2010-06-17

FUEL CELL SYSTEM AND METHOD FOR REGULATING A FUEL CELL SYSTEM

#64
20100047645
2010-02-25

COGENERATION SYSTEM

#65
20100009225
2010-01-14

Fuel cell system and mobile body

#66
20090263687
2009-10-22

Fuel Cell System Having Hydrogen Generating Apparatus

#67
20090261657
2009-10-22

Method and system of hybrid power management

#68
20090233127
2009-09-17

FUEL CELL SYSTEM

#69
20090226770
2009-09-10

Fuel cell system and AC impedance measurement method

#70
20090197129
2009-08-06

Fuel cell system having decreased deterioration during initiation

#71
20090110966
2009-04-30

Method for improving FCS reliability after end cell heater failure

#72
20090085410
2009-04-02

Electronic apparatus and fuel cell system

#73
20090068520
2009-03-12

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

#74
20090004515
2009-01-01

Fuel cell and method of operating fuel cell

#75
20080286622
2008-11-20

Transient Recognition Control for Hybrid Fuel Cell Systems

#76
20080248351
2008-10-09

Fuel Cell System

#77
20080238355
2008-10-02

FUEL CELL SYSTEM AND OPERATION METHOD THEREFOR

#78
20080182144
2008-07-31

Fuel cell control unit for limiting power output

#79
20080026269
2008-01-31

System for generating electricity from a chemical hydride

#80
20070254193
2007-11-01

Fuel cell power generation system

#81
20070251331
2007-11-01

Method for Monitoring Duct Ventilation

#82
20070248857
2007-10-25

FUEL CELL SYSTEM

#83
20070220890
2007-09-27

Vehicle power supply system

#84
20070199747
2007-08-30

Control method for fuel cell vehicle, and fuel cell vehicle

#85
20070199746
2007-08-30

Hybrid power supply apparatus for battery replacement applications

#86
20070178336
2007-08-02

Method for controlling fuel cell stack current

#87
20070141429
2007-06-21

Storing energy in a fuel cell system

#88
20070141428
2007-06-21

Preventing backfeeding of current to a fuel cell stack from energy storage

#89
20070141411
2007-06-21

Maximizing energy storage life in a fuel cell system using active temperature compensation

#90
20070141404
2007-06-21

Detecting leakage from a capacitor of a fuel cell system

#91
20070087232
2007-04-19

Capacitor hybrid fuel cell power generator

#92
20070087231
2007-04-19

METHOD AND APPARATUS FOR MULTIPLE MODE CONTROL OF VOLTAGE FROM A FUEL CELL SYSTEM

#93
20070077468
2007-04-05

Power supply apparatus with fuel cell and method of controlling the same

#94
20070048570
2007-03-01

FUEL CELL CAPABLE OF LOAD-DEPENDENT OPERATION

#95
20070042233
2007-02-22

Systems and methods for initiating auxiliary fuel cell system operation

#96
20070026280
2007-02-01

Fuel cell system and method of controlling gas pressure in fuel cell system

#97
20060286418
2006-12-21

Fuel cell system for setting predetermined operation state when substitutional value control is impossible

#98
20060269805
2006-11-30

Liquid-type fuel cell system and control circuit of the same

#99
20060246329
2006-11-02

Systems and methods for adaptive energy management in a fuel cell system

#100
20060240297
2006-10-26

Fuel cell unit and power generating system using the fuel cell unit

#101
20060240291
2006-10-26

Power supply apparatus using fuel cell and method of controlling the same

#102
20060222916
2006-10-05

Mehotd for determining a maximum power point voltage of a fuel cell, as well as fuel cell control system and power controller used in the fuel cell control system

#103
20060222909
2006-10-05

Electric system for fuel cell, fuel cell vehicle, and method of supplying electric power

#104
20060210851
2006-09-21

Fuel cell power generating system with learning control

#105
20060170390
2006-08-03

Secondary battery charging system capable of preventing drop of charged electric power

#106
20060166055
2006-07-27

Method for operating fuel cell

#107
20060159966
2006-07-20

Fuel cell system and method of stopping operation of the fuel cell system

#108
20060105206
2006-05-18

Fuel cell power supply

#109
20060083955
2006-04-20

Mobile type information terminal and self diagnosis method and operation method thereof

#110
20050287402
2005-12-29

AC impedance monitoring of fuel cell stack

#111
20050277003
2005-12-15

FCPM freeze start heater

#112
20050260480
2005-11-24

Cathode humidification of a PEM fuel cell through exhaust gas recirculation into a positive displacement compressor

#113
20050249989
2005-11-10

Apparatus and method for hybrid power module systems

#114
20050249988
2005-11-10

Apparatus and method for hybrid power module systems

#115
20050214602
2005-09-29

Load following algorithm for a fuel cell based distributed generation system

#116
20050197751
2005-09-08

Control device and method for fuel cell powered vehicle

#117
20050110453
2005-05-26

Dynamic fuel cell system management controller

#118
20050076075
2005-04-07

Method for determining specifications of fuel cell power generation system and fuel cell power generation system

#119
20050058865
2005-03-17

Self -thawing fuel cell

#120
20050048330
2005-03-03

Electronic system and power supply method

#121
17075451
2022-11-08

Power management system and method of operating the same

#122
15440534
2021-01-12

Power management system utilizing metastable hydrogen carrier and method of operating the same