ClassID:

213582

H01M8/1013 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged; Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC] Other direct alcohol fuel cells [DAFC]

Recent Application in this class:
#1
20260031379
2026-01-29

FUEL CELL SYSTEM INCLUDING ALCOHOL VAPORIZATION COMPONENTS AND METHOD OF OPERATING THE SAME

#2
20250105325
2025-03-27

FUEL CELL SYSTEM INCLUDING ALCOHOL VAPORIZATION COMPONENTS AND METHOD OF OPERATING THE SAME

#3
20240014410
2024-01-11

HIGH-ENTROPY ALLOY FOR HIGH-PERFORMANCE DIRECT ETHANOL FUEL CELLS

#4
20230420690
2023-12-28

Methods for producing alpha-keto acid and pyruvic acid

#5
20230127594
2023-04-27

VAPOR-FED RECHARGEABLE DIRECT LIQUID HYDROGEN CARRIER FUEL CELL

#6
20220029187
2022-01-27

Direct alcohol fuel cell

#7
20210376365
2021-12-02

Direct isopropanol fuel cell

#8
20210119237
2021-04-22

Polymer electrolyte membrane for medium and high temperature, preparation method thereof and high temperature polymer electrolyte membrane fuel cell comprising the same

#9
20210057758
2021-02-25

Methods for producing alpha-keto acid and pyruvic acid

#10
20200061571
2020-02-27

PROCESSING BIOMASS AND PETROLEUM CONTAINING MATERIALS

#11
20190148755
2019-05-16

Direct isopropanol fuel cell

#12
20190091650
2019-03-28

Processing biomass and petroleum containing materials

#13
20180161749
2018-06-14

Processing biomass and petroleum containing materials

#14
20170133692
2017-05-11

Method for producing bipolar plates

#15
20170110750
2017-04-20

Direct isopropanol fuel cell

#16
20160289705
2016-10-06

Processing biomass and petroleum containing materials

#17
20160289704
2016-10-06

Processing biomass and petroleum containing materials

#18
20150292093
2015-10-15

Methods and systems for fuel production in electrochemical cells and reactors

#19
20150155570
2015-06-04

Selective catalyst, particularly for electroreduction of oxygen, an electrochemical system containing thereof, an palladium-inert gas alloy and use thereof, and a cell, particularly a photovoltaic cell containing thereof

#20
20150140469
2015-05-21

COMPARTMENTLESS ABIOTIC SUCROSE-AIR FUEL CELL

#21
20150064604
2015-03-05

Polymer-supported electrodes containing multi-atomic clusters and methods of making and using same

#22
20140302409
2014-10-09

Fuel system for fuel cells

#23
20140233776
2014-08-21

Portable electronic device for wearing at the ear and a method of operating a portable electronic device

#24
20140147771
2014-05-29

Fuel cell, a portable electronic device and a method of manufacturing a fuel cell reservoir

#25
20130150230
2013-06-13

Bulk metallic glass nanowires for use in energy conversion and storage devices

#26
20130040224
2013-02-14

Carbon catalyst for direct fuel cell cathode, and direct fuel cell cathode and direct fuel cell using same

#27
20130034793
2013-02-07

Fuel battery

#28
20120148928
2012-06-14

DIRECT OXIDATION FUEL CELL SYSTEM

#29
20120100986
2012-04-26

GAS DIFFUSION CATHODE USING NANOMETER SIZED PARTICLES OF TRANSITION METALS FOR CATALYSIS

#30
20120088176
2012-04-12

Method for the direct oxidation and/or internal reforming of ethanol, solid oxide fuel cell for direct oxidation and/or internal reforming of ethanol, catalyst and multifunctional electrocatalytic anode for direct oxidation and/or internal

#31
20120077672
2012-03-29

Porous catalyst for a fuel cell and method for producing the catalyst thereof

#32
20120009495
2012-01-12

CONCENTRATION SENSOR USING AN ELECTROLYTIC CELL FOR AQUEOUS HYDROCARBON FUEL

#33
20110281192
2011-11-17

Method for producing bipolar plates

#34
20110269029
2011-11-03

DIRECT ALCOHOL ANION FUEL CELL WITH BIOCATHODE

#35
20110244361
2011-10-06

LIQUID FUEL AND FUEL CELL

#36
20110212378
2011-09-01

FUEL CELL ARRANGEMENT WITH FUEL CELLS DISPOSED IN A SHINGLE CONSTRUCTION AND ALSO PURPOSES OF USE

#37
20110190116
2011-08-04

GAS DIFFUSION CATHODE USING NANOMETER SIZED PARTICLES OF TRANSITION METALS FOR CATALYSIS

#38
20110155559
2011-06-30

Processing biomass and petroleum containing materials

#39
20110130269
2011-06-02

ELECTROCHEMICAL CATALYSTS

#40
20110123902
2011-05-26

Permselective Membrane-Free Direct Fuel Cell and Components Thereof

#41
20110091796
2011-04-21

ELECTROCHEMICAL CATALYSTS

#42
20110081585
2011-04-07

Process for Co-Production of Power and Carboxylic Acids

#43
20110076595
2011-03-31

DIRECT OXIDATION FUEL CELL

#44
20110039170
2011-02-17

Fuel cells

#45
20110012296
2011-01-20

Method for producing carbon nanofiber supporting metal fine particle

#46
20110008707
2011-01-13

Catalyst layer for fuel cell membrane electrode assembly, fuel cell membrane electrode assembly using the catalyst layer, fuel cell, and method for producing the catalyst layer

#47
20100330438
2010-12-30

PASSIVE DILUTION UNIT FOR DILUTING FUELS

#48
20100316927
2010-12-16

Exhaust gas purification system for a fuel cell or a fuel cell stack

#49
20100239942
2010-09-23

Fuel cell

#50
20100233566
2010-09-16

FUEL CELL AND FUEL CELL SYSTEM

#51
20100209806
2010-08-19

MEMBRANE ELECTRODE ASSEMBLY

#52
20100196801
2010-08-05

Alkaline fuel cell electrode catalyst, alkaline fuel cell, manufacture method for alkaline fuel cell electrode catalyst, and manufacture method for alkaline fuel cell

#53
20100167175
2010-07-01

ELECTROCHEMICAL CATALYSTS

#54
20100151356
2010-06-17

Fuel cell and method for generating electric power

#55
20100124679
2010-05-20

METHOD FOR INCREASING THE DURABILITY OF DIRECT OXIDATION FUEL CELLS

#56
20100108567
2010-05-06

Processing biomass and petroleum containing materials

#57
20100092826
2010-04-15

FUEL CELL AND FUEL CELL SYSTEM

#58
20100081036
2010-04-01

ALCOHOL OXIDATION CATALYST, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL USING THE ALCOHOL OXIDATION CATALYST

#59
20100069228
2010-03-18

ELECTROCHEMICAL CATALYSTS

#60
20100068592
2010-03-18

Electrodes for use in hydrocarbon-based membrane electrode assemblies of direct oxidation fuel cells

#61
20100068584
2010-03-18

Flat fuel cell assembly with air channel defined by case

#62
20100068562
2010-03-18

Electrochemical device comprising linked bonded bodies

#63
20100062293
2010-03-11

INTERNAL REFORMING ALCOHOL HIGH TEMPERATURE PEM FUEL CELL

#64
20100055510
2010-03-04

Polymer electrolyte fuel cell

#65
20100028753
2010-02-04

Fuel cells

#66
20090325002
2009-12-31

Fuel cells with improved resistance to fuel crossover

#67
20090286113
2009-11-19

Fuel Cell, Supply And Disposal Unit For Fuel Cells, And Method For Removing Reaction Products From Fuel Cells

#68
20090202868
2009-08-13

FUEL CELL UNIT OF DMFC TYPE AND ITS OPERATION

#69
20090162719
2009-06-25

Liquid Fuel and Fuel Cell

#70
20090136794
2009-05-28

DIRECT OXIDATION FUEL CELL FOR THE CONVECTION-FREE TRANSPORT OF FUEL AND METHOD FOR OPERATING THE FUEL CELL

#71
20090134879
2009-05-28

Method of measuring concentration of fuel

#72
20090130532
2009-05-21

Mixing Pump Device and Fuel Cell

#73
20090123808
2009-05-14

FUEL CELL STACK

#74
20090104479
2009-04-23

FUEL CELL WITH AN ION WICK

#75
20090098429
2009-04-16

FUEL CARTRIDGE FOR FUEL CELL, AND FUEL CELL

#76
20090092867
2009-04-09

FUEL CELL SYSTEM AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#77
20090081500
2009-03-26

FUEL CELL UTILIZING AMMONIA, ETHANOL OR COMBINATIONS THEREOF

#78
20090068544
2009-03-12

FUEL CELL USING POLYHYDRIC MIXTURES DIRECTLY AS A FUEL

#79
20090068515
2009-03-12

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

#80
20090061274
2009-03-05

DIRECT ALCOHOL FUEL CELLS USING SOLID ACID ELECTROLYTES

#81
20090035625
2009-02-05

HYDROGEN FUEL CELL WITH INTEGRATED REFORMER

#82
20090031566
2009-02-05

SHAVER CLEANER AND SHAVER SYSTEM

#83
20080318109
2008-12-25

Method for the production of a sulfonated poly (1, 3, 4-oxadiazole) polymer

#84
20080292931
2008-11-27

Membrane Electrode Assembly for Organic/Air Fuel Cells

#85
20080280190
2008-11-13

Electrochemical catalysts

#86
20080277174
2008-11-13

High-grade ethanol vehicle with fuel-cell motors and optional flexible-fuel engine

#87
20080199749
2008-08-21

ORGANIC ANODES FOR HYDROCARBON FUEL CELLS

#88
20080187795
2008-08-07

Use of an Electrochemical Cell Such as a Fuel Cell

#89
20080171256
2008-07-17

DIRECT ALCOHOL FUEL CELL

#90
20080118805
2008-05-22

MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, METHOD OF PREPARING SAME AND FUEL CELL SYSTEM INCLUDING SAME

#91
20080096091
2008-04-24

Flat fuel cell assembly having gas barrier material layer

#92
20080070083
2008-03-20

Permselective composite membrane for electrochemical cells

#93
20080050630
2008-02-28

Membrane-Electrode Assemblies for Fuel Cell, Their Manufacture and Use and Fuel Cells Incorporating Them

#94
20080032885
2008-02-07

Electrocatalyst for ethanol oxidation and direct ethanol fuel cell using the same

#95
20070281200
2007-12-06

Electrode Catalyst, Method for Preparation Thereof, Direct Alcohol Fuel Cell

#96
20070220890
2007-09-27

Vehicle power supply system

#97
20070207370
2007-09-06

Stack for mixed reactant fuel cell and mixed reactant fuel cell system including the same

#98
20070190397
2007-08-16

Cathode catalyst for fuel cell, and membrane-electrode assembly for fuel cell and fuel cell system including same

#99
20070190396
2007-08-16

Membrane-electrode assembly for mixed reactant fuel cell and mixed reactant fuel cell system including same

#100
20070190379
2007-08-16

Controlled-release vapor fuel cell

#101
20070111077
2007-05-17

Carbon dioxide remover for direct oxidation fuel cell and fuel cell system having the same

#102
20070092784
2007-04-26

Gas diffusion cathode using nanometer sized particles of transition metals for catalysis

#103
20070092773
2007-04-26

Organic vapor fuel cell

#104
20070077479
2007-04-05

High electrical performance direct oxidation fuel cells & systems

#105
20070077478
2007-04-05

Electrolyte membrane for fuel cell utilizing nano composite

#106
20070077464
2007-04-05

METHOD OF CONTROLLING FUEL CONCENTRATION IN A DIRECT LIQUID FUEL CELL

#107
20060199068
2006-09-07

Electrode and membrane/electrode assembly for fuel cells and fuel cell systems comprising same

#108
20060115702
2006-06-01

Liquid fuel cartridge and direct liquid feed fuel cell having the same

#109
20060110653
2006-05-25

Alcohol-air fuel cell

#110
20060099484
2006-05-11

Fuel cell for portable radio-electronic equipment

#111
20060094928
2006-05-04

Fuel cell for microcapsule-type robot and microcapsule-type robot powered by the same

#112
20060058500
2006-03-16

Platinum-free electrocatalyst materials

#113
20060024536
2006-02-02

Fuel cell system

#114
20050271915
2005-12-08

Direct alcohol fuel cells using solid acid electrolytes

#115
20050142433
2005-06-30

Fuel cell and production method thereof

#116
20050079402
2005-04-14

Fuel cell

#117
20050064281
2005-03-24

Combination liquid dispenser and electrochemical cell