ClassID:

213539

H01M8/04865 - 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 Voltage

Sub-classes:
Recent Application in this class:
#1
20250289348
2025-09-18

Fuel Cell Auxiliary Power Generation System for a Vehicle

#2
20250246656
2025-07-31

FUEL CELL SYSTEM

#3
20250216471
2025-07-03

Method and Device for Controlling DCDC Converter, Computer Program Product and Computer-readable Medium

#4
20250105327
2025-03-27

FLOW BATTERY CHARGING INITIATION METHOD, CONTROLLER FOR FLOW BATTERY SYSTEM AND FLOW BATTERY SYSTEM

#5
20240417084
2024-12-19

ELECTRICAL SYSTEM

#6
20240243316
2024-07-18

METHOD FOR REGULATING THE PLATINUM OXIDE FRACTION IN A FUEL CELL, AND FUEL CELL SYSTEM FOR A MOTOR VEHICLE

#7
20240227627
2024-07-11

Fuel cell auxiliary power generation system for a vehicle

#8
20240186550
2024-06-06

FUEL CELL CONTROL PROGRAM AND FUEL CELL SYSTEM

#9
20240055642
2024-02-15

NEGATIVE ELECTROLYTE MANAGEMENT SYSTEM

#10
20230396086
2023-12-07

POWER SUPPLY SYSTEM, CONTROL METHOD, AND STORAGE MEDIUM

#11
20230268533
2023-08-24

REDOX FLOW BATTERY SYSTEM AND METHOD FOR OPERATING REDOX FLOW BATTERY

#12
20230126285
2023-04-27

REDOX FLOW BATTERY SYSTEM AND OPERATING METHOD

#13
20230048237
2023-02-16

Fuel cell auxiliary power generation system for a vehicle

#14
20220393208
2022-12-08

FUEL CELL SHIP

#15
20220311023
2022-09-29

Method of aging fuel cell

#16
20220209266
2022-06-30

Fuel cell system

#17
20220037684
2022-02-03

Fuel cell system

#18
20200044270
2020-02-06

Fuel cell system and fuel cell control program

#19
20190267651
2019-08-29

On-board aircraft electrochemical system

#20
20190190046
2019-06-20

Fuel cell system and control method of fuel cell system

#21
20190123368
2019-04-25

Power modulation for fuel cell powered datacenters

#22
20190074532
2019-03-07

Method for operating a fuel cell and fuel cell system

#23
20180294498
2018-10-11

CONTROL METHOD AND SYSTEM FOR STOP MODE OF FUEL CELL

#24
20180290559
2018-10-11

Fuel cell system

#25
20180196108
2018-07-12

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

#26
20180083299
2018-03-22

FUEL CELL DRIVING METHOD, FUEL CELL SYSTEM, AND VEHICLE

#27
20180054151
2018-02-22

Electric power adjustment system and control method for electric power adjustment system

#28
20180019489
2018-01-18

Fuel cell system

#29
20170352904
2017-12-07

Fuel cell assembly and associated method of operation

#30
20170331131
2017-11-16

On-board aircraft electrochemical system

#31
20170250427
2017-08-31

Fuel battery system and control method for fuel battery system

#32
20170244123
2017-08-24

Performance recovery of a fuel cell

#33
20170222238
2017-08-03

Fuel cell system and control method for fuel cell system

#34
20170214070
2017-07-27

Power modulation for fuel cell powered datacenters

#35
20170166082
2017-06-15

Control method of cooling water pump of fuel cell vehicle

#36
20170054162
2017-02-23

Recirculation device of a fuel cell

#37
20170033380
2017-02-02

Method for synchronizing voltage of fuel cell vehicle

#38
20170012311
2017-01-12

Device and method for controlling starting fuel cell vehicle

#39
20160380285
2016-12-29

Fuel cell system

#40
20160344050
2016-11-24

Fuel cell system

#41
20160285123
2016-09-29

Method for operating redox flow battery

#42
20160133967
2016-05-12

Operation control method of fuel cell and operation control apparatus of fuel cell

#43
20160006061
2016-01-07

Power converter for fuel cell and method for controlling the same

#44
20150380753
2015-12-31

Method for stopping fuel cell system and fuel cell system

#45
20150357659
2015-12-10

Fuel cell system and fuel cell powered vehicle

#46
20150325896
2015-11-12

Fuel cell system

#47
20150188168
2015-07-02

Voltage synchronization method and system

#48
20150180068
2015-06-25

Method and apparatus for controlling operation of redox flow battery

#49
20150140365
2015-05-21

Fuel cell system

#50
20150086890
2015-03-26

Fuel cell system

#51
20150017485
2015-01-15

FUEL CELL SYSTEM

#52
20140315114
2014-10-23

Method and regulation apparatus for operating a fuel cell or a fuel cell stack

#53
20140248548
2014-09-04

Output control apparatus for fuel cell

#54
20140056035
2014-02-27

Method and arrangement for improved operability of a high temperature fuel cell system

#55
20130038249
2013-02-14

Drive system and machine

#56
20120321976
2012-12-20

Controlling fuel cell

#57
20120274137
2012-11-01

Fuel cell system and control method therefor

#58
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

#59
20120135279
2012-05-31

Measuring system for cells in a fuel cell stack

#60
20120086385
2012-04-12

FUEL PROCESSOR/FUEL CELL SYSTEM FOR PROVIDING POWER TO REFRIGERATORS AT OUT-OF-GRID LOCATIONS, AND A METHOD OF USE THEREOF

#61
20110008686
2011-01-13

Performance recovery of a fuel cell

#62
20100159340
2010-06-24

Fuel cell stack with stoichiometry determination in individual cells

#63
20100086815
2010-04-08

Fuel cell system

#64
20100068577
2010-03-18

Fuel cell system and method therefor

#65
20100068574
2010-03-18

Fuel cell system and power supply control method

#66
20100068567
2010-03-18

Fuel cell system having output voltage corrector

#67
20090152953
2009-06-18

Hybrid Power Supply Apparatus with Fuel Cell Output Control

#68
20080182143
2008-07-31

FUEL CELL SYSTEM WITH SERIES-PARALLEL CIRCUIT

#69
20080176120
2008-07-24

FUEL CELL WITH PROTECTIVE DEVICE

#70
20070116997
2007-05-24

Active isolation system for fuel cell

#71
20060141299
2006-06-29

Detecting and handling a fault condition in a fuel cell system

#72
20060078772
2006-04-13

Power supply apparatus with fuel cell assembly

#73
20060068242
2006-03-30

Electric power source apparatus using fuel cell and method of controlling the same

#74
20060040160
2006-02-23

Drainage structure in fuel cell electric vehicle

#75
20060037801
2006-02-23

Apparatus for protecting a high-voltage wire in an electric vehicle

#76
20050260470
2005-11-24

Fuel cell and control method thereof

#77
20050249985
2005-11-10

Hybrid power source

#78
20050233192
2005-10-20

Fuel cell system having secondary cell

#79
20050156431
2005-07-21

Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators

#80
20050095472
2005-05-05

Performance enhancing break-in method for a PEM fuel cell