ClassID:

213456

H01M8/04246 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells Short circuiting means for defective fuel cells

Recent Application in this class:
#1
20250015314
2025-01-09

MODULE FOR AN ELECTROCHEMICAL DEVICE, HAVING A LONGER USEFUL LIFE

#2
20230057780
2023-02-23

CONNECTIONS FOR REDOX BATTERY INTEGRATION

#3
20230027847
2023-01-26

Fuel cell, fuel cell stack and method of operating a fuel cell stack

#4
20220384835
2022-12-01

Fuel Cell Array and Fuel Cell Inspection Method

#5
20210229557
2021-07-29

Power supply device having a fuel cell arrangement and method for lowering voltage in a fuel cell arrangement

#6
20210028474
2021-01-28

Apparatus and method for controlling emergency driving for fuel cell vehicle

#7
20200227762
2020-07-16

FUEL CELL SYSTEM AND CONTROL METHOD THEREFOR

#8
20200044268
2020-02-06

REDOX FLOW BATTERY

#9
20190013533
2019-01-10

Isolation of a fuel cell

#10
20180277866
2018-09-27

Method for repairing a fuel cell stack

#11
20180148851
2018-05-31

System and method for tuning an electrochemical cell stack

#12
20180148850
2018-05-31

System and method for tuning an electrochemical cell stack

#13
20170352904
2017-12-07

Fuel cell assembly and associated method of operation

#14
20150024298
2015-01-22

System and method for tuning an electrochemical cell stack

#15
20120315509
2012-12-13

Fuel cell bypass diode structures and attachment methods

#16
20120217812
2012-08-30

Fuel cell stack

#17
20120043820
2012-02-23

FUEL CELL SYSTEM HAVING BYPASS CIRCUIT AND METHOD OF DRIVING THE SAME

#18
20110300458
2011-12-08

Fuel cell assembly and method for operating a fuel cell assembly

#19
20110117469
2011-05-19

Fuel cell stack conditioned to operate safely with failed cells

#20
20110111317
2011-05-12

Fuel cell system for preventing excessive power generation

#21
20110097635
2011-04-28

System and method for electrochemical cell system and leak detection and indication

#22
20110033761
2011-02-10

Fuel Cell System With at Least One Fuel Cell

#23
20110003219
2011-01-06

SOLID OXIDE FUEL CELL INCLUDING BYPASS CIRCUIT

#24
20100285382
2010-11-11

Fuel cell system and mobile article

#25
20100264930
2010-10-21

Fuel cell system

#26
20100233554
2010-09-16

FUEL CELL SYSTEM AND OPERATING METHOD THEREOF

#27
20100151347
2010-06-17

Bipolar plate for fuel cell comprising a housing for measuring connector

#28
20100092814
2010-04-15

Online configurable control system for fuel cells

#29
20100028729
2010-02-04

FUEL CELL POWER PLANT INCLUDING A VARIABLE RESISTIVE DEVICE

#30
20090233132
2009-09-17

Fuel Cell System and Mobile Article

#31
20090162711
2009-06-25

Fuel cell

#32
20090079382
2009-03-26

Electrical power unit

#33
20080254331
2008-10-16

FUEL CELL WITH SHUTOFF DEVICE

#34
20080220301
2008-09-11

Fuel cell including bypass circuit for interconnecting fuel cells

#35
20080213643
2008-09-04

Electricity production installation comprising fuel cells connected in series and comprising means for isolating a cell and method for monitoring such an installation

#36
20080208490
2008-08-28

Failure determination device for cell voltage monitor

#37
20080197852
2008-08-21

System for monitoring a group of electrochemical cells and device therefor

#38
20080152957
2008-06-26

Non-functional fuel cell for fuel cell stack

#39
20080102326
2008-05-01

Fuel cell start optimization

#40
20080038596
2008-02-14

Method and Device for Operational Control of Fuel Cell Modules

#41
20080038590
2008-02-14

Combustible gas detector, process for producing combustible gas detector, and fuel cell system equipped with combustible gas detector

#42
20070292726
2007-12-20

Fuel Cell System And Method For Inspecting Gas Leakage Of Same

#43
20070269686
2007-11-22

Monopolar membrane-electrode assembly

#44
20070268727
2007-11-22

Circuit connection control system of fuel cell and method of operating the same

#45
20070243435
2007-10-18

Online configurable control system for fuel cells

#46
20070196709
2007-08-23

Fuel cell system and control method of same

#47
20070172708
2007-07-26

Fuel cell system failure diagnosis method, failure diagnosis device using same, and fuel cell system

#48
20070082240
2007-04-12

Abnormality detecting device of fuel cell system

#49
20070048566
2007-03-01

Fuel cell unit, control method for fuel cell unit, and information processing apparatus

#50
20070013382
2007-01-18

Method for detection and diagnosis of isolation faults in fuel cell hybrid vehicles

#51
20060166060
2006-07-27

Fuel cell system and gas leak detection method

#52
20060127710
2006-06-15

System and method for bypassing failed stacks in a multiple stack fuel cell

#53
20060115697
2006-06-01

Substance shutoff device and fuel cell

#54
20060078788
2006-04-13

Method for monitoring the operational state of a fuel cell stack

#55
20060035118
2006-02-16

Method for detecting a gas leak in a pem fuel cell

#56
20060029856
2006-02-09

Modular electrochemical power system

#57
20050231153
2005-10-20

High voltage isolation detection of a fuel cell system using magnetic field cancellation

#58
20050209800
2005-09-22

System and method for alarm recovery for an electrolyzer cell module

#59
20050191537
2005-09-01

Fuel cell gasket having an integrated sensor

#60
20050142417
2005-06-30

Terminal member to be connected for cell voltage-measuring use

#61
20050130001
2005-06-16

Fuel cell life predicting device and fuel cell system

#62
20050112419
2005-05-26

Controlling solid oxide fuel cell operation

#63
20050110453
2005-05-26

Dynamic fuel cell system management controller

#64
20050064254
2005-03-24

Methods and apparatus for isolating solid oxide fuel cells

#65
20050019630
2005-01-27

Fuel cell having a short-circuiting means

#66
20050019621
2005-01-27

Power supply system