ClassID:

213546

H01M8/04917 - 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; Electric variables; Current of auxiliary devices, e.g. batteries, capacitors

Recent Application in this class:
#1
20260106193
2026-04-16

FUEL CELL SYSTEM AND METHOD FOR CONTROLLING A HEATING CURRENT FOR TEMPERATURE CONTROL OF A FUEL CELL STACK OF A FUEL CELL SYSTEM

#2
20260036260
2026-02-05

METHOD FOR OPERATING AND/OR FUELING A COMPRESSED GAS SUPPLY SYSTEM AND ELECTRONIC DEVICE

#3
20250320099
2025-10-16

Variable Current Load System and Control Method

#4
20250083572
2025-03-13

POWER SOURCE ASSEMBLY FOR AN AERONAUTICAL VEHICLE

#5
20240367554
2024-11-07

FUEL CELL POWER AND BATTERY STATE-OF-CHARGE MANAGEMENT

#6
20240247390
2024-07-25

METHOD FOR OPERATING AN ELECTROLYZER AND A FUEL CELL BY MEANS OF A COMMON CONVERTER, APPARATUS AND ELECTROLYSIS SYSTEM

#7
20240243314
2024-07-18

ELECTROCHEMICAL HYDROGEN COMPRESSION SYSTEM

#8
20240194914
2024-06-13

METHOD FOR USING FUEL CELL SYSTEM AIR THROTTLE TO CONTROL HYBRID POWER SYSTEM

#9
20240154140
2024-05-09

MAGNETIC FRAGMENT FILTER

#10
20230261225
2023-08-17

Apparatus for Converting Power of Fuel Cell for Power Generation and Method Thereof

#11
20230147324
2023-05-11

DEVICE AND METHOD FOR CONTROLLING FUEL CELL SYSTEM

#12
20220209267
2022-06-30

Power supply device and method thereof for fuel cell

#13
20210384536
2021-12-09

Fuel cell pump and method for controlling fuel cell pump

#14
20210305600
2021-09-30

Method of operating fuel cell system

#15
20210101492
2021-04-08

Fuel cell system installed in vehicle

#16
20200176996
2020-06-04

Electric energy supply device comprising a busbar matrix, and method for operating the energy supply device

#17
20200044266
2020-02-06

FUEL CELL POWER GENERATION PLANT AND METHOD OF COMMUNICATION

#18
20190123366
2019-04-25

Fuel cell vehicle

#19
20190058203
2019-02-21

Shutdown and storage method for fuel cell system at below freezing temperatures

#20
20190058202
2019-02-21

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

#21
20190054839
2019-02-21

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

#22
20180342747
2018-11-29

Method and system for controlling startup of fuel cell

#23
20180205103
2018-07-19

Power source with wireless capability

#24
20180162233
2018-06-14

Drive system and vehicle

#25
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

#26
20170373333
2017-12-28

Fuel cell system

#27
20170133691
2017-05-11

Fuel cell mounting structure

#28
20170047599
2017-02-16

Fuel Cell System Coupled to a Portable Computing Device

#29
20160375777
2016-12-29

Power net system of fuel cell vehicle and method for controlling the same

#30
20160272086
2016-09-22

Two-power-supply load driving fuel cell system

#31
20160144738
2016-05-26

System and method for power distribution of fuel cell hybrid vehicle

#32
20160028136
2016-01-28

Power system for a telecommunications network

#33
20150270565
2015-09-24

System and method for recovering output of fuel cell

#34
20150125766
2015-05-07

System and method for controlling fuel cell module

#35
20150112530
2015-04-23

Method and system for controlling a fuel cell vehicle

#36
20140145697
2014-05-29

Step-up converter for boosting voltage from a power source system

#37
20130171533
2013-07-04

Method and arrangement to control operating conditions in fuel cell device

#38
20130106341
2013-05-02

Hybrid battery system for portable electronic devices

#39
20130004869
2013-01-03

FUEL CELL SYSTEM

#40
20120028151
2012-02-02

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

#41
20110313589
2011-12-22

Fuel cell system coupled to a portable computing device

#42
20110266994
2011-11-03

Fuel cell system and electronic device

#43
20110217615
2011-09-08

FUEL CELL STABILISATION SYSTEM AND METHOD

#44
20110181113
2011-07-28

FUEL CELL SYSTEM AND POWER MANAGEMENT METHOD THEREOF

#45
20110160928
2011-06-30

RANDOM CONTROLLED FUEL CELL POWER MODULE

#46
20100266916
2010-10-21

Fuel cell system

#47
20100266914
2010-10-21

Fuel cell system

#48
20100151339
2010-06-17

FUEL CELL SYSTEM AND METHOD FOR REGULATING A FUEL CELL SYSTEM

#49
20100119888
2010-05-13

Fuel cell system and control method thereof

#50
20100096927
2010-04-22

Power generation system and operation method thereof

#51
20090246581
2009-10-01

FUEL CELL SYSTEM AND COOLING AIR SUPPLYING METHOD OF FUEL CELL

#52
20090233127
2009-09-17

FUEL CELL SYSTEM

#53
20090186247
2009-07-23

Fuel cell power supply

#54
20090148730
2009-06-11

Fuel cell power generation system, its stopping/safekeeping method and program

#55
20090092861
2009-04-09

INTEGRATED FUEL CELL CONTROLLER FOR DEVICES

#56
20080286614
2008-11-20

METHOD AND APPARATUS FOR FUEL CELL SYSTEMS

#57
20080171239
2008-07-17

SYSTEMS AND METHODS FOR PROTECTING A FUEL CELL

#58
20080169207
2008-07-17

FUEL CELL CARTRIDGE FILTERS AND PRESSURE RELIEF

#59
20080094868
2008-04-24

Power system for a telecommunications network

#60
20080081235
2008-04-03

Fuel cell system

#61
20080028477
2008-01-31

Chip with Power Supply Device

#62
20070292724
2007-12-20

System and method to start a fuel cell stack during a cold-start condition

#63
20070275276
2007-11-29

Power supply system of fuel cell vehicle

#64
20070237993
2007-10-11

Fuel cell reforming

#65
20070199747
2007-08-30

Control method for fuel cell vehicle, and fuel cell vehicle

#66
20070184314
2007-08-09

Fuel cell system

#67
20070134529
2007-06-14

Power supply apparatus and method for line connection type fuel cell system

#68
20070087231
2007-04-19

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

#69
20060240297
2006-10-26

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

#70
20060240291
2006-10-26

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

#71
20060234116
2006-10-19

External hybridisation

#72
20060210852
2006-09-21

Electrochemical preferential oxidation of carbon monoxide from reformate

#73
20060194082
2006-08-31

Systems and methods for protecting a fuel cell

#74
20060172162
2006-08-03

Electric power plant with adjustable array of fuel cell systems

#75
20060166055
2006-07-27

Method for operating fuel cell

#76
20060162973
2006-07-27

Hybrid power supply module

#77
20060102397
2006-05-18

Method and apparatus for controlling a hybrid power supply system in a vehicle

#78
20060099463
2006-05-11

Direct current/direct current converter for a fuel cell system

#79
20060083955
2006-04-20

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

#80
20060073365
2006-04-06

Fuel cell cartridge with reformate filtering

#81
20060071009
2006-04-06

Fuel cell cartridge with leak detection

#82
20060070891
2006-04-06

Fuel cell cartridge filters and pressure relief

#83
20060029851
2006-02-09

Fuel cell with electroosmotic pump

#84
20060024554
2006-02-02

Fuel cell cartridge connector

#85
20060024553
2006-02-02

Hot swappable fuel cell system

#86
20060024543
2006-02-02

Fuel cell system with controller and smart cartridge

#87
20060021882
2006-02-02

Fire retardant fuel cell cartridge

#88
20060014070
2006-01-19

Hydrogen fuel source refiller

#89
20060014069
2006-01-19

Smart fuel cell cartridge

#90
20060008687
2006-01-12

Fuel cell system internal to portable computer

#91
20050249988
2005-11-10

Apparatus and method for hybrid power module systems

#92
20050249985
2005-11-10

Hybrid power source

#93
20050233192
2005-10-20

Fuel cell system having secondary cell

#94
20050214602
2005-09-29

Load following algorithm for a fuel cell based distributed generation system

#95
20050206342
2005-09-22

Integrated fuel cell controller for devices

#96
20050119842
2005-06-02

Load following algorithm for a fuel cell based system

#97
20050118472
2005-06-02

Power management system for hybrid fuel cell and battery driven electric vehicles

#98
20050077364
2005-04-14

Temperature/humidity control system for a fuel cell stack and a method thereof

#99
20050076075
2005-04-07

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

#100
20050037247
2005-02-17

Fuel cell system and method for removal of water from fuel cells

#101
20050008908
2005-01-13

Portable fuel cartridge for fuel cells

#102
18077112
2023-12-26

Fuel cell system air throttle for hybrid power control