ClassID:

213464

H01M8/04305 - 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 Modeling, demonstration models of fuel cells, e.g. for training purposes

Recent Application in this class:
#1
20260091708
2026-04-02

COORDINATED OPTIMIZATION METHOD AND SYSTEM FOR HYDROGEN FUEL CELL VEHICLE, DEVICE, AND MEDIUM

#2
20260066316
2026-03-05

METHOD FOR CONTROLLING ANODE PURGE VALVE OF FUEL CELL, DEVICE, MEDIUM, AND PRODUCT

#3
20250336992
2025-10-30

COMBINED PREDICTION METHOD FOR PROTON EXCHANGE MEMBRANE (PEM) DEVICE, APPARATUS, MEDIUM, AND PRODUCT

#4
20250233185
2025-07-17

PRODUCTION METHOD AND PRODUCTION SYSTEM FOR PRODUCING A FUEL CELL STACK

#5
20250233175
2025-07-17

METHOD FOR MONITORING AN ELECTROCHEMICAL SYSTEM, AND AN ELECTROCHEMICAL SYSTEM

#6
20250183337
2025-06-05

SYSTEMS AND METHODS FOR DETERMINING SEQUENTIAL PRESSURE REGRESSION IN FUEL CELLS

#7
20250149603
2025-05-08

METHOD OF CONTROLLING OPERATION OF FUEL CELL TRIPLE COGENERATION SYSTEM

#8
20250087733
2025-03-13

METHOD AND SYSTEM FOR ACCELERATED LIFE TESTING (ALT) OF PROTON EXCHANGE MEMBRANE FUEL CELLS (PEMFCs)

#9
20250038230
2025-01-30

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#10
20250030026
2025-01-23

APPARATUS FOR CONTROLLING VEHICLE EQUIPPED WITH AMMONIA FUEL CELL AND METHOD FOR OPERATING THE SAME

#11
20250015323
2025-01-09

Fuel cell fault diagnosis method and system

#12
20240405235
2024-12-05

Simulation methodology for Fuel Cell stacks using RVE technique

#13
20240379978
2024-11-14

Method and Device for Detecting an Impaired Fuel Cell

#14
20240332562
2024-10-03

HEAT MANAGEMENT IN A FUEL CELL SYSTEM

#15
20240297317
2024-09-05

METHOD AND APPARATUS OF DETECTING PROTON EXCHANGE MEMBRANE FUEL CELL OPERATING STATE

#16
20240243316
2024-07-18

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

#17
20240079623
2024-03-07

POWER CONVERTER SYSTEMS FOR ELECTROLYSIS STACKS

#18
20230420709
2023-12-28

FUEL CELL PERFORMANCE OPTIMIZATION METHODOLOGY COMBINED WITH SIMULATION AND EXPERIMENT

#19
20230361323
2023-11-09

DISCRETIZATION MODELING METHOD FOR ELECTRO-OSMOTIC DRAG EFFECT OF WATER CONSERVATION IN A FUEL CELL

#20
20230261221
2023-08-17

METHOD AND DEVICE FOR THE INITIAL COMMISSIONING OF A FUEL CELL STACK

#21
20230253589
2023-08-10

METHOD FOR OPERATING A FUEL CELL SYSTEM

#22
20230216071
2023-07-06

SYSTEMS AND METHODS FOR REDUCING EMISSIONS WITH A FUEL CELL

#23
20230211887
2023-07-06

CONTROL OF A PROPULSION SYSTEM HAVING A FUEL CELL

#24
20230187659
2023-06-15

MODELING METHODS FOR DESIGNING FUEL CELL FLOW FIELD

#25
20230115653
2023-04-13

DIMENSIONAL FLUID MAPPING SYSTEMS WITH MULTI-FREQUENCY EXCITATION

#26
20230056450
2023-02-23

FUEL CELL REGENERATION

#27
20220414302
2022-12-29

Simulation of gas dynamics of different gas channel geometries in fuel cells

#28
20220246962
2022-08-04

Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof

#29
20220246960
2022-08-04

Apparatus having at least one fuel cell

#30
20220231313
2022-07-21

Online observation method of anode nitrogen concentration for proton exchange membrane fuel cell

#31
20220179382
2022-06-09

POWER PREDICTION DEVICE AND POWER PREDICTION METHOD

#32
20220109170
2022-04-07

Device and computer-implemented method for determining a state of a fuel cell system

#33
20210305605
2021-09-30

Hydrogen-energy control system and control method for hydrogen-energy control system

#34
20210305597
2021-09-30

GAS SAMPLING SYSTEM AND GAS SAMPLING METHOD FOR FUEL CELL, CURRENT DENSITY DISTRIBUTION ESTIMATION METHOD FOR FUEL CELL, AND CALIBRATION METHOD FOR INTERNAL STATE MODEL OF FUEL CELL

#35
20210242509
2021-08-05

Stripline detector for in situ battery and fuel cell NMR

#36
20210028472
2021-01-28

Similar Principle Analysis Method of Input and Output Characteristics for Fuel Cell

#37
20200328439
2020-10-15

Methods and apparatus for detecting electrical short circuits in fuel cell stacks

#38
20200321641
2020-10-08

Degradation-conscious control for PEM fuel cells

#39
20200194813
2020-06-18

Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof

#40
20190280319
2019-09-12

STL actuation-path planning

#41
20180375130
2018-12-27

APPARATUS AND METHOD FOR PREDICTING LIFE SPAN OF FUEL CELL, AND VEHICLE SYSTEM HAVING THE SAME

#42
20180316025
2018-11-01

Jig module for solid oxide fuel cell

#43
20180215283
2018-08-02

Output prediction device for fuel cell, output prediction method for fuel cell and fuel cell system

#44
20180196108
2018-07-12

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

#45
20180053973
2018-02-22

Stripline detector for in situ battery NMR

#46
20180048005
2018-02-15

Test cell of an apparatus for characterising a cell of a fuel cell and method for producing such a test cell

#47
20170309936
2017-10-26

Accelerated lifetime test device for redox flow battery

#48
20170279140
2017-09-28

System and method for condition monitoring of redox flow batteries using data analytics

#49
20170236427
2017-08-17

Flight path calculating and searching method of a unmanned aerial vehicle with regenerative fuel cells and solar cells for high altitude long endurance, and a searching apparatus thereof

#50
20170168116
2017-06-15

Fuel cell powered vehicle testing system and method thereof

#51
20170141418
2017-05-18

Stack for simulating cell voltage reversal behavior in fuel cell

#52
20170098839
2017-04-06

Determination of a spatial distribution of the catalytic activity of an electrochemical-cell electrode

#53
20170098838
2017-04-06

Determination of a spatial distribution of the permeability of an electrochemical - cell electrode

#54
20170098837
2017-04-06

Determination of a spatial distribution of an electrical production parameter of an electrochemical cell

#55
20170084941
2017-03-23

Validation and correction of gen 2 anode H2 concentration estimation

#56
20170082696
2017-03-23

Determining of a spatial distribution of the electrical contact resistance of an electrochemical cell

#57
20170077535
2017-03-16

Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof

#58
20170003239
2017-01-05

Apparatus for measuring micro-cracks in a membrane electrode assembly and method for predicting generation of micro-cracks in the same

#59
20160344048
2016-11-24

Fuel cell system and controlling method thereof

#60
20150362441
2015-12-17

Method for characterizing the catalyst structure in a fuel cell and fuel cell design suitable therefor

#61
20150140462
2015-05-21

Intelligent system for the dynamic modeling and operation of fuel cells

#62
20140199605
2014-07-17

Transient inlet relative humidity estimation via adaptive cathode humidification unit model and high frequency resistance

#63
20140147759
2014-05-29

Vehicle application for air storage cathode carbon loss estimation

#64
20140120446
2014-05-01

Cathode flow split control and pressure control for a vehicle fuel cell power system

#65
20140120443
2014-05-01

Cathode pressure control utilizing a capacitance model

#66
20140065507
2014-03-06

Stack for simulating cell voltage reversal behavior in fuel cell

#67
20130158757
2013-06-20

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

#68
20130040211
2013-02-14

Method to correct for permeation uncertainties using a concentration sensor

#69
20130024051
2013-01-24

Device and method for regulating the humidity of a fuel cell

#70
20120107705
2012-05-03

Anode gas composition utilizing H2 injection pressure wave propagation rates

#71
20110177408
2011-07-21

Environmentally friendly, energy-economic system for testing fuel cell stacks

#72
20110159388
2011-06-30

Visualization Apparatus for PEMFC Stack

#73
20110159387
2011-06-30

Visualization apparatus for large area PEMFC

#74
20110104524
2011-05-05

Visualization apparatus for transparent PEMFC

#75
20100323279
2010-12-23

Fuel cell simulator and fuel cell

#76
20100228535
2010-09-09

Simulator of SOFC for electric characteristics

#77
20100227236
2010-09-09

Intelligent system for the dynamic modeling and operation of fuel cells

#78
20100209808
2010-08-19

Fuel cell and electrode powder constituting the catalytic layer thereof

#79
20100179774
2010-07-15

METHOD FOR EVALUATING DURABILITY OF UNIT CELL, DEVICE FOR EVALUATING DURABILITY, PROGRAM FOR EVALUATING DURABILITY, AND UNIT CELL OF FUEL CELL

#80
20100098984
2010-04-22

Load device for SOFC stack and a high-temperature furnace using the same

#81
20100047632
2010-02-25

TEST BENCH AND TESTING METHOD FOR A FUEL CELL STACK

#82
20090253008
2009-10-08

Fuel cell system

#83
20090117450
2009-05-07

METHOD FOR EVALUATING PERFORMANCE OF ELECTRODE CATALYST FOR CELL, SEARCH METHOD, ELECTRODE CATALYST FOR CELL AND FUEL CELL USING SAME

#84
20090085580
2009-04-02

Apparatus for testing catalysis electrode of fuel cell

#85
20090024373
2009-01-22

Method for optimizing diffusion media with spatially varying mass transport resistance

#86
20080284443
2008-11-20

Method for scientific research

#87
20080238430
2008-10-02

Method of testing an electrochemical device

#88
20080206610
2008-08-28

Method of Operating an Electrochemical Device Including Mass Flow and Electrical Parameter Controls

#89
20080182139
2008-07-31

Algorithm for online adaptive polarization curve estimation of a fuel cell stack

#90
20080160358
2008-07-03

Method and System of Operating Molten Carbonate Fuel Cells

#91
20080154558
2008-06-26

Estimating and controlling states of a fuel cell system

#92
20080154390
2008-06-26

Predicting reactant production in a fuel cell system

#93
20080141760
2008-06-19

LEAK DETECTION IN A FUEL CELL SYSTEM

#94
20080050619
2008-02-28

Fuel cell life counter and method of managing remaining life

#95
20080014472
2008-01-17

Fuel cell anode stoichiometry control

#96
20070288126
2007-12-13

System and methods for implementing a non-linear electrical circuit dynamic fuel cell model

#97
20070231642
2007-10-04

Fuel cell voltage unit for detecting a failed plate connection

#98
20070208432
2007-09-06

HYDROCARBON FLUID PROCESSING PLANT DESIGN

#99
20060269820
2006-11-30

Testing fixture for membrane electrode assembly

#100
20060210850
2006-09-21

Method, system and apparatus for diagnostic testing of an electrochemical cell stack

#101
20060210843
2006-09-21

Multiplexer and system for supplying current to an electrochemical cell stack

#102
20060125441
2006-06-15

Nonlinear thermal control of a PEM fuel cell stack

#103
20060083975
2006-04-20

Fuel cell stack mock-up and pressure measuring instrument of fuel cell balance of plant using fuel cell stack mock-up

#104
20060070886
2006-04-06

Methods of removing sulfur from a fuel cell electrode

#105
20060024551
2006-02-02

Array fuel cell reactors with a switching system

#106
20060001430
2006-01-05

Apparatus for combinatorial screening of electrochemical materials

#107
20050263393
2005-12-01

System and method of performing electrochemical tests of solid oxide fuel cells

#108
20050153180
2005-07-14

Functional test and demonstration apparatus for fuel cell power system

#109
20050091023
2005-04-28

Fuel cell simulator, simulation result display method, and computer program product

#110
20050079401
2005-04-14

Fuel cell stack simulator

#111
20050048336
2005-03-03

Fuel cell system, and operation and program for same

#112
19027229
2025-10-14

Method for controlling temperature of thermal management system of fuel cell, device, medium and product

#113
18987143
2025-09-23

Prediction method of electrochemical and mechanical performances in SOFC cold and hot cycle