ClassID:

213495

H01M8/04537 - 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

Sub-classes:
Recent Application in this class:
#1
20250105328
2025-03-27

Fuel Cell Stack, Fuel Cell and Associated Vehicle

#2
20250105313
2025-03-27

Fuel Cell

#3
20250038230
2025-01-30

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#4
20250030019
2025-01-23

SELECTIVE GROUNDING OF GRID PARALLEL INVERTER SYSTEMS

#5
20250012751
2025-01-09

MEASURING ELECTRO-CHEMICAL PROPERTIES OF FLOWABLE MATERIALS

#6
20240123841
2024-04-18

FUEL CELL SYSTEM AND FUEL CELL VEHICLE

#7
20240072268
2024-02-29

FUEL CELL SYSTEM

#8
20230246208
2023-08-03

Fuel cell system

#9
20230238559
2023-07-27

DEVICES AND METHODS FOR DATA COMMUNICATION AND SENSING

#10
20230163334
2023-05-25

CATALYST DETERIORATION SUPPRESSION DEVICE

#11
20230092461
2023-03-23

Method for controlling fuel cell device

#12
20220293984
2022-09-15

Fuel cell system

#13
20220181653
2022-06-09

UNIVERSAL TUBULAR SOLID OXIDE FUEL CELL TESTING DEVICE

#14
20220149633
2022-05-12

Selective grounding of grid parallel inverter systems

#15
20210367254
2021-11-25

Flow battery control method, flow battery control system and flow battery

#16
20210159519
2021-05-27

Universal tubular solid oxide fuel cell testing kit

#17
20190312286
2019-10-10

Connecting element for electrically contact-connecting separator plates of a fuel cell stack

#18
20190161870
2019-05-30

Systems, devices, and methods employing electrochemical processing of hydrofluoroolefins

#19
20190123369
2019-04-25

Flow battery control method, flow battery control system and flow battery

#20
20190109337
2019-04-11

Method for making contact with a plurality of separator plates and fuel cell system

#21
20180358639
2018-12-13

Fuel cell system and control method for fuel cell system

#22
20180236894
2018-08-23

Fuel cell vehicle and control method thereof

#23
20180198140
2018-07-12

Method for monitoring the operating state of fuel cells

#24
20180166720
2018-06-14

Fuel cell system and secondary battery diagnosis method

#25
20180111502
2018-04-26

Voltage control device for fuel-cell vehicle

#26
20170309929
2017-10-26

Coolant injection controller

#27
20170054162
2017-02-23

Recirculation device of a fuel cell

#28
20160329618
2016-11-10

Method and system for storing electricity in metals

#29
20160322832
2016-11-03

Multimode charging device and method

#30
20160301094
2016-10-13

FUEL CELL ASSEMBLY AND METHOD

#31
20160091570
2016-03-31

System for measuring a stack cell voltage of a fuel cell and method thereof

#32
20150380753
2015-12-31

Method for stopping fuel cell system and fuel cell system

#33
20150346140
2015-12-03

Hydrogen quality monitor

#34
20150270563
2015-09-24

Apparatus and method for controlling fuel cell system using reconfigurable switch network

#35
20150263359
2015-09-17

Electrical signal processing system for fuel cell stack

#36
20150253275
2015-09-10

Electric-field enhanced performance in catalysis and solid-state devices involving gases

#37
20150162631
2015-06-11

Measurement device for measuring voltages along a linear array of voltage sources

#38
20140287331
2014-09-25

Method and device for operating fuel cells

#39
20140272653
2014-09-18

Flow Battery System and Method of SOC Determination

#40
20140220465
2014-08-07

Method for the detection of fuel cell system short circuits

#41
20140139190
2014-05-22

Control system for a flow cell battery

#42
20130187645
2013-07-25

Magnetoresistor integrated sensor for measuring voltage or current, and diagnostic system

#43
20130158757
2013-06-20

System and method of in-situ diagnosis of fuel cell health during vehicle operation

#44
20130065091
2013-03-14

Fuel cell system, and control method for fuel cell system

#45
20130029245
2013-01-31

Measurement device for measuring voltages along a linear array of voltage sources

#46
20120295175
2012-11-22

MANAGEMENT OF THE OPERATION OF A SYSTEM FOR PRODUCING ELECTRIC POWER FROM HYDROGEN AND HYDROGEN FROM ELECTRIC POWER

#47
20120129057
2012-05-24

FUEL CELL SYSTEM

#48
20120064427
2012-03-15

Fuel cell system

#49
20120028158
2012-02-02

Solid oxide fuel cell

#50
20110074357
2011-03-31

Control system for a flow cell battery

#51
20110027629
2011-02-03

Instrumented fluid-surfaced electrode

#52
20100323258
2010-12-23

Electric-field enhanced performance in catalysis and solid-state devices involving gases

#53
20100304251
2010-12-02

System and method of operating an electrical energy storage device or an electrochemical energy generation device using thermal conductivity materials based on mobile device states and vehicle states

#54
20100261081
2010-10-14

Multi-cell electric signal processing bipolar plate features

#55
20100253356
2010-10-07

Fuel cell measurement apparatus

#56
20100151347
2010-06-17

Bipolar plate for fuel cell comprising a housing for measuring connector

#57
20100009220
2010-01-14

Fuel cell load controller

#58
20090317674
2009-12-24

FUEL CELL SYSTEM

#59
20090291332
2009-11-26

System and method of controlling fluid to a fluid consuming battery

#60
20090261657
2009-10-22

Method and system of hybrid power management

#61
20090246574
2009-10-01

FUEL CELL APPARATUS AND DRIVE METHOD THEREOF

#62
20090146662
2009-06-11

Multi-channel measuring apparatus for connection to a fuel cell stack

#63
20090068515
2009-03-12

Fuel Supplying and Controlling Method and Fuel Cell Apparatus Using the Same

#64
20080197857
2008-08-21

Multi-MEA test station and multi-MEA test method using the same

#65
20070116997
2007-05-24

Active isolation system for fuel cell

#66
20070099041
2007-05-03

Fuel cell with IC components

#67
20060188764
2006-08-24

Power generation system

#68
20060152085
2006-07-13

Power system method and apparatus

#69
20060057441
2006-03-16

Using a fuel cell as energy storage for inverter and converter systems

#70
20050084726
2005-04-21

Fuel cell system with load management