ClassID:

213570

H01M8/0681 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Combination of fuel cells with means for production of reactants or for treatment of residues; Treatment of gaseous reactants or gaseous residues, e.g. cleaning Reactant purification by the use of electrochemical cells

Recent Application in this class:
#1
20260151730
2026-06-04

ELECTROCHEMICAL CELL AND METHOD OF PROCESSING A GASEOUS STREAM CONTAINING HYDROGEN

#2
20260054217
2026-02-26

ELECTROCHEMICAL COMPRESSION FOR HYDROGEN RECOVERY AND HIGH PLANT YIELD IN AMMONIA SYNTHESIS PROCESSES

#3
20260038858
2026-02-05

FUEL CELL SYSTEM WITH SEPARATION OF HYDROGEN GAS FROM ANODE EXHAUST GAS AND METHOD OF ITS OPERATION AS WELL AS USE THEREOF

#4
20260018636
2026-01-15

HIGH-TEMPERATURE PEM FUEL CELL SYSTEM WITH HEAT PUMP FOR HEATING A REFORMER AND METHOD OF ITS OPERATION AS WELL AS USE THEREOF

#5
20250125393
2025-04-17

HIGH HYDROGEN UTILIZATION FUEL CELL SYSTEM

#6
20240379981
2024-11-14

METHODS AND SYSTEMS FOR PROCESSING ELECTROCHEMICAL SYSTEM FUEL EXHAUST

#7
20240304844
2024-09-12

USE OF A FUEL CELL TO DECARBONIZE A HYDROCARBON CRACKING SYSTEM

#8
20240291279
2024-08-29

ROAD-BASED SOLAR SYSTEM FOR PRODUCTION OF HYDROGEN AND ELECTRICITY

#9
20240102181
2024-03-28

Production of a synthesis gas comprising carbon monoxide and hydrogen

#10
20240039086
2024-02-01

REFUELABLE BATTERY SYSTEMS, DEVICES, AND COMPONENTS

#11
20230395833
2023-12-07

ELECTROCHEMICAL DEVICES AND FUEL CELL SYSTEMS

#12
20230231172
2023-07-20

SOLID OXIDE FUEL CELL SYSTEM WITH HYDROGEN PUMPING CELL WITH CARBON MONOXIDE TOLERANT ANODES AND INTEGRATED SHIFT REACTOR

#13
20230203677
2023-06-29

ELECTROCHEMICAL HYDROGEN PUMP

#14
20230191319
2023-06-22

LOW TEMPERATURE ELECTROCHEMICAL SYSTEM FOR HYDROGEN PURIFICATION AND PRESSURIZATION

#15
20230191318
2023-06-22

ELECTROCHEMICALLY DRIVEN CARBON DIOXIDE SEPARATOR

#16
20230178778
2023-06-08

WATER SUPPLY OXYGENATION SYSTEMS AND METHODS

#17
20230155151
2023-05-18

FUEL CELL SYSTEM INCLUDING FUEL EXHAUST PROCESSOR AND METHOD OF OPERATING THE SAME

#18
20230067326
2023-03-02

ELECTROCHEMICAL PUMP AND FUEL CELL SYSTEM

#19
20220274055
2022-09-01

Electrochemical cell and method of processing a gaseous stream containing hydrogen

#20
20220131165
2022-04-28

Aircraft electrical power supply system and method of supplying electrical power in an aircraft

#21
20220077482
2022-03-10

Reaction device and fuel cell power generation system

#22
20210387140
2021-12-16

HYDROGEN SYSTEM

#23
20210376363
2021-12-02

METHOD AND A DEVICE FOR OPERATING PEM FUEL CELL WITH CO CONTAMINATED HYDROGEN GAS

#24
20210184238
2021-06-17

FUEL CELL SYSTEM FOR SUBMARINE USING SELECTIVE OXIDATION REACTION

#25
20210179436
2021-06-17

Carbon monoxide production process optimized by SOEC

#26
20210050610
2021-02-18

Molten carbonate fuel cell anode exhaust post-processing for carbon dioxide capture

#27
20210036350
2021-02-04

Electrochemical devices and fuel cell systems

#28
20200303758
2020-09-24

Solid oxide fuel cell system with hydrogen pumping cell with carbon monoxide tolerant anodes and integrated shift reactor

#29
20200251755
2020-08-06

Ultra high efficiency fuel cell power generation system

#30
20200161684
2020-05-21

Electrochemical devices and fuel cell systems

#31
20200124039
2020-04-23

Electrochemical hydrogen pump

#32
20200099076
2020-03-26

FUEL CELL SYSTEM INCLUDING SULFUR OXIDATION SUBSYSTEM AND METHOD OF OPERATING THE SAME

#33
20200020957
2020-01-16

FUNCTIONALIZED, POROUS GAS CONDUCTION PART FOR ELECTROCHEMICAL MODULE

#34
20190173114
2019-06-06

Hydrogen supply system for adjusting dew point of a hydrogen-containing gas supplied thereto

#35
20190148753
2019-05-16

Load following power generation and power storage using REP and PEM technology

#36
20190140298
2019-05-09

High efficiency fuel cell system with hydrogen and syngas export

#37
20190140295
2019-05-09

Molten carbonate fuel cell anode exhaust post-processing for carbon dioxide

#38
20190131645
2019-05-02

Carbon dioxide sequestration using molten carbonate fuel cell and hydrogen separation technology

#39
20190088964
2019-03-21

HYDROGEN PURIFIERS AND HYDROGEN PURIFICATION SYSTEMS

#40
20190013532
2019-01-10

DISTRIBUTED HYDROGEN EXTRACTION SYSTEM

#41
20180347054
2018-12-06

INTEGRATED ELECTROCHEMICAL COMPRESSOR AND CASCADE STORAGE METHOD AND SYSTEM

#42
20180261865
2018-09-13

System for capturing CO2 from a fuel cell

#43
20180254498
2018-09-06

Fuel cell-fuel cell hybrid system for energy storage

#44
20180175425
2018-06-21

Water treatment system using alkaline water electrolysis device and alkaline fuel cell

#45
20180166713
2018-06-14

Electrochemical hydrogen compression apparatus

#46
20180155193
2018-06-07

Electrochemical hydrogen pump

#47
20170365899
2017-12-21

Metal/air battery with gas separations unit and load-leveling oxygen storage system

#48
20170350021
2017-12-07

Electrochemical hydrogen pump

#49
20170250429
2017-08-31

Method and system for producing carbon dioxide, purified hydrogen and electricity from a reformed process gas feed

#50
20170207472
2017-07-20

System and method for generating power and enhanced oil recovery

#51
20170117600
2017-04-27

Electrochemical battery maintaining oxygen concentration by air recirculation

#52
20170092974
2017-03-30

Proton conducting membrane and fuel cell comprising the same

#53
20170069921
2017-03-09

Distributed hydrogen extraction system

#54
20170054170
2017-02-23

HYDROGEN PURIFIERS AND HYDROGEN PURIFICATION SYSTEMS

#55
20160240878
2016-08-18

Enhanced electrochemical oxidation of carbonaceous deposits in liquid-hydrocarbon fueled solid oxide fuel cells

#56
20160168730
2016-06-16

Hydrogen refining pressure-boosting device

#57
20150255818
2015-09-10

Methods of purifying a hydrogen gas stream containing hydrogen sulfide impurities

#58
20150060294
2015-03-05

Integrated electrochemical compressor and cascade storage method and system

#59
20140030615
2014-01-30

Distributed hydrogen extraction system

#60
20130316255
2013-11-28

Solid oxide fuel cell system and a method of operating a solid oxide fuel cell system

#61
20130224612
2013-08-29

Gas decomposition component, power generation apparatus, and method for decomposing gas

#62
20130209286
2013-08-15

HYDROGEN PUMP SYSTEM OPERABLE WITHOUT EXTERNAL ELECTRIC POWER SUPPLY

#63
20130118735
2013-05-16

System and method for generating power and enhanced oil recovery

#64
20130108517
2013-05-02

Membrane reactor for treating gases containing tritium

#65
20120273366
2012-11-01

Hydrogen or oxygen electrochemical pumping catalytic membrane reactor and its applications

#66
20120141334
2012-06-07

Solid reactant sheet, solid reactant stack, and fuel cartridge

#67
20120114980
2012-05-10

Fuel cell device and method of operating the same

#68
20110262818
2011-10-27

Electrochemical removal of contaminants from hydrogen

#69
20110236776
2011-09-29

Fuel cell system suitable for organic fuels and a method of operation of the same

#70
20100323255
2010-12-23

FUEL CELL SYSTEM SUITABLE FOR COMPLEX FUELS AND A METHOD OF OPERATION OF THE SAME

#71
20100119888
2010-05-13

Fuel cell system and control method thereof

#72
20090320368
2009-12-31

Methods and Systems for Gasifying a Process Stream

#73
20090301870
2009-12-10

Electrochemical device and exhaust gas purification apparatus

#74
20090208785
2009-08-20

SOFC electrochemical anode tail gas oxidizer

#75
20090130508
2009-05-21

Fuel cell system

#76
20090130505
2009-05-21

Enhanced efficiency of a combined SORFC energy storage and fuel generation system

#77
20090123791
2009-05-14

Hydrogen and power generation system and method for shutting down the same

#78
20090110980
2009-04-30

Fluid recycling apparatus and fuel cell system using the same

#79
20090084085
2009-04-02

EXHAUST GAS PURIFICATION SYSTEM AND METHOD FOR PURIFYING EXHAUST GAS

#80
20080292921
2008-11-27

RECOVERY OF INERT GAS FROM A FUEL CELL EXHAUST STREAM

#81
20080248369
2008-10-09

FUEL CELL SYSTEM WITH FLAME ARRESTING RECOMBINER

#82
20080145737
2008-06-19

Rechargeable fuel cell system

#83
20080083614
2008-04-10

Pressurized electrolyzer stack module

#84
20070246374
2007-10-25

PERFORMANCE MANAGEMENT FOR INTEGRATED HYDROGEN SEPARATION AND COMPRESSION SYSTEMS

#85
20070246373
2007-10-25

INTEGRATED ELECTROCHEMICAL HYDROGEN SEPARATION SYSTEMS

#86
20070246363
2007-10-25

INTEGRATED ELECTROCHEMICAL HYDROGEN COMPRESSION SYSTEMS

#87
20070178338
2007-08-02

Fuel cell system with electrochemical anode exhaust recycling

#88
20070128478
2007-06-07

High efficiency fuel cell system

#89
20070125233
2007-06-07

Self-contained chromatography system

#90
20070099062
2007-05-03

Fuel cell system suitable for complex fuels and a method of operation of the same

#91
20060210852
2006-09-21

Electrochemical preferential oxidation of carbon monoxide from reformate

#92
20060191408
2006-08-31

Composite mixed oxide ionic and electronic conductors for hydrogen separation

#93
20060166055
2006-07-27

Method for operating fuel cell

#94
20050249990
2005-11-10

Fuel cell minimum fuel recycle with maximum fuel utilization

#95
20050103643
2005-05-19

Fresh water generation system and method

#96
18179979
2024-04-09

Use of a fuel cell to decarbonize a hydrocarbon cracking system