ClassID:

213374

H01M8/004 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Shape, form of a fuel cell Cylindrical, tubular or wound

Recent Application in this class:
#1
20260149113
2026-05-28

BATTERY STORAGE CONTAINER AND METHOD OF USE

#2
20260066321
2026-03-05

HIGH EFFICIENCY MICRO-POWER GENERATOR FOR PORTABLE APPLICATIONS

#3
20260024788
2026-01-22

INTEGRATED WASTE REDUCTION SYSTEM

#4
20250273721
2025-08-28

RING-SHAPED SOLID OXIDE FUEL CELL ASSEMBLY FOR AN AIRCRAFT ENGINE

#5
20250260022
2025-08-14

CORRUGATED-FLAT-TUBULAR ELECTROCHEMICAL CELL AND ITS METHOD OF MAKING

#6
20250210671
2025-06-26

ORGANIC-AIR FLOW BATTERY

#7
20240299760
2024-09-12

IMPLANTABLE, BIOFUEL CELLS FOR SELF-CHARGING MEDICAL DEVICES

#8
20240291003
2024-08-29

INTEGRATED FUEL CELL AND COMBUSTION SYSTEM

#9
20240266578
2024-08-08

Fuel cell system

#10
20240079625
2024-03-07

Method and system for rebalancing electrolytes in a redox flow battery system

#11
20230367300
2023-11-16

SYSTEM AND METHOD FOR OPTIMIZING SUPPLY CHAIN OF HYDROGEN DISTRIBUTION NETWORK

#12
20230207847
2023-06-29

INTEGRATED WASTE REDUCTION SYSTEM

#13
20230203684
2023-06-29

Low temperature electrolytes for solid oxide cells having high ionic conductivity

#14
20230106823
2023-04-06

TUBULAR POLYMER ELECTROLYTE MEMBRANE FUEL CELL STACK

#15
20230028170
2023-01-26

Methods and system for rebalancing electrolytes in a redox flow battery system

#16
20220320539
2022-10-06

UNIQUE ELECTRODES FOR ELECTROCHEMICAL CELLS

#17
20220203846
2022-06-30

Drive system, and motor vehicle

#18
20220123346
2022-04-21

MULTI-CELL FLOW BATTERY AND FUEL CELL ASSEMBLIES

#19
20220037685
2022-02-03

Fuel cell and fuel cell system for an aircraft

#20
20220008737
2022-01-13

Implantable, biofuel cells for self-charging medical devices

#21
20210344020
2021-11-04

Cap for a Fuel Cell/Candle

#22
20210323687
2021-10-21

Solid oxide fuel cell modular hybrid powertrain for small unmanned aircraft system (UAS)

#23
20210257644
2021-08-19

Cell for flow battery

#24
20210242476
2021-08-05

Metal-dielectric conduit assemblies and methods of making thereof

#25
20210175517
2021-06-10

Roll-to-roll SOFC manufacturing method and system

#26
20210143463
2021-05-13

Method and system for rebalancing electrolytes in a redox flow battery system

#27
20200328432
2020-10-15

Fuel Cell Components, Stacks and Modular Fuel Cell Systems

#28
20200303749
2020-09-24

Method of making copper electrode

#29
20200220182
2020-07-09

Electrochemical cells with mobile electrolyte

#30
20200127304
2020-04-23

Selectively rotated flow field for thermal management in a fuel cell stack

#31
20200115811
2020-04-16

Low temperature electrolytes for solid oxide cells having high ionic conductivity

#32
20190334191
2019-10-31

METHOD OF MAKING A FUEL CELL DEVICE

#33
20190252711
2019-08-15

Fuel cell stack having fixing mechanisms

#34
20190221954
2019-07-18

Externally-attached PTC element and tubular battery

#35
20190140289
2019-05-09

Fuel cell components, stacks and modular fuel cell systems

#36
20190123362
2019-04-25

Alumina substrate supported solid oxide fuel cells

#37
20190101386
2019-04-04

Method and apparatus for measuring thickness of electrolyte membrane

#38
20190097253
2019-03-28

Method and system for rebalancing electrolytes in a redox flow battery system

#39
20190063283
2019-02-28

Flame-assisted fuel cell integrated rich burn, quick mix, lean burn combustion for reduced NOx

#40
20180342752
2018-11-29

Cell for flow battery

#41
20180316025
2018-11-01

Jig module for solid oxide fuel cell

#42
20180309149
2018-10-25

Method and system for rebalancing electrolytes in a redox flow battery system

#43
20180301715
2018-10-18

Fuel cell unit and fuel cell array

#44
20180298544
2018-10-18

High-Efficiency Washer-Dryer System

#45
20180219244
2018-08-02

Fuel cell stack

#46
20180212251
2018-07-26

Cell stack device, module, and module housing device

#47
20180205103
2018-07-19

Power source with wireless capability

#48
20180166817
2018-06-14

Externally-attached PTC element and tubular battery

#49
20180159156
2018-06-07

Fuel cell stack device and fuel cell device

#50
20180097237
2018-04-05

System and method for improving power production in linear array benthic microbial fuel cells

#51
20180069251
2018-03-08

MODULAR FUEL CELL SYSTEM

#52
20180053947
2018-02-22

Fabrication method for micro-tubular solid oxide cells

#53
20180048002
2018-02-15

Multi-stack fuel cell systems and heat exchanger assemblies

#54
20180023205
2018-01-25

Low temperature electrolytes for solid oxide cells having high ionic conductivity

#55
20180019495
2018-01-18

Distributed energy storage system

#56
20170324107
2017-11-09

Method of making a fuel cell device

#57
20170170503
2017-06-15

Electricity and syngas co-generation system using porous solid oxide fuel cells

#58
20170162895
2017-06-08

Method of making a fuel cell device

#59
20170162888
2017-06-08

Power generator having fuel cell and membrane conduits

#60
20170149108
2017-05-25

Energy generation system combining a fuel cell and a rechargeable battery and methods implementing such a system

#61
20170125829
2017-05-04

Electrochemical cells with mobile electrolyte

#62
20170084928
2017-03-23

ELECTROCHEMICAL CELL AND METHOD FOR PRODUCING AN ELECTROCHEMICAL CELL

#63
20170033393
2017-02-02

Method of making a fuel cell device

#64
20170033376
2017-02-02

Fuel cell device and system

#65
20160372774
2016-12-22

Cell, cell stack device, module, and module housing device

#66
20160368164
2016-12-22

Process for producing tubular ceramic structures

#67
20160351934
2016-12-01

Fuel cell system having curved membrane electrode assembly

#68
20160322649
2016-11-03

ELECTROCHEMICAL CELLS AND COMPONENTS THEREOF

#69
20160293992
2016-10-06

Method and system for rebalancing electrolytes in a redox flow battery system

#70
20160280541
2016-09-29

Reformer with perovskite as structural component thereof

#71
20160260986
2016-09-08

FUEL CELL DEVICE AND SYSTEM

#72
20160240876
2016-08-18

Pre-reformer for selective reformation of higher hydrocarbons

#73
20160233537
2016-08-11

Cell stack, fuel battery module including the same, and method of manufacturing cell stack

#74
20160233526
2016-08-11

Fuel cell

#75
20160218385
2016-07-28

Power generation apparatus

#76
20160168734
2016-06-16

Low Temperature Electrolytes for Solid Oxide Cells Having High Ionic Conductivity

#77
20160141706
2016-05-19

Components and methods for manufacture and assembly of a fuel cell stack

#78
20160141705
2016-05-19

Fuel cell stack assembly

#79
20160043426
2016-02-11

Solid oxide fuel cell bundles with flexible power transmission system

#80
20160043410
2016-02-11

TUBE-TYPE SOLID-OXIDE SECONDARY BATTERY

#81
20160020478
2016-01-21

Method of charging/discharging power through pipelines flown with electrolytes and apparatus using the same

#82
20160020472
2016-01-21

Solid oxide fuel cell bundle assembly with insulation end pieces and tilt pad tie down clamp

#83
20160020470
2016-01-21

Composition for fuel cell electrode

#84
20150357658
2015-12-10

Fuel cell motor

#85
20150249256
2015-09-03

Method of making a fuel cell device

#86
20150200408
2015-07-16

Method of forming a fuel cell stack

#87
20150194683
2015-07-09

Fuel cell system including a fuel cell assembly and centrifugal blower system

#88
20150192138
2015-07-09

Centrifugal blower system and fuel cell incorporating same

#89
20150192134
2015-07-09

Cetrifugal blower system and fuel cell incorporating same

#90
20150180079
2015-06-25

Fuel cell components, stacks and modular fuel cell systems

#91
20150125778
2015-05-07

CONNECTING DEVICE FOR A FUEL CELL AND FUEL CELL FITTED WITH SUCH A DEVICE

#92
20150111114
2015-04-23

FUNCTIONAL POROUS MATERIAL, METAL-AIR BATTERY, AND METHOD FOR MANUFACTURING FUNCTIONAL POROUS MATERIAL

#93
20150096670
2015-04-09

Fuel cell

#94
20150086887
2015-03-26

Solid oxide fuel cell system

#95
20150056526
2015-02-26

FUEL CELL MODULE AND FUEL CELL SYSTEM

#96
20150050579
2015-02-19

Medium and high-temperature carbon-air cell

#97
20150044598
2015-02-12

Liquid drum type fuel cell-metal recovery apparatus

#98
20150017553
2015-01-15

Biofuel cell and electronic device

#99
20140356758
2014-12-04

Production method for a tubular fuel cell having a two-layer cap region of the support body

#100
20140342247
2014-11-20

Flexible and implantable glucose fuel cell

#101
20140335443
2014-11-13

Fuel cell components and systems having carbon-containing electrically-conductive hollow fibers

#102
20140322617
2014-10-30

Printed biofuel cells

#103
20140295327
2014-10-02

Rechargeable fuel cell

#104
20140295319
2014-10-02

Fuel cell device and system

#105
20140295318
2014-10-02

Solid oxide fuel cell and method for producing the same

#106
20140295317
2014-10-02

Solid oxide fuel cell and method for producing the same

#107
20140227623
2014-08-14

Solid oxide fuel cell device

#108
20140212786
2014-07-31

Solid oxide fuel cell, cell stack device, fuel cell module, and fuel cell device

#109
20140127599
2014-05-08

Fuel cell and fuel cell system

#110
20140106246
2014-04-17

Solid oxide fuel cell systems with hot zones having improved reactant distribution

#111
20140093809
2014-04-03

Solid oxide fuel cell

#112
20140080034
2014-03-20

Solid oxide fuel cell and method for producing the same

#113
20140080033
2014-03-20

Solid oxide fuel cell and method for producing the same

#114
20140038066
2014-02-06

Paper-based fuel cell

#115
20130330648
2013-12-12

FLAT TUBULAR SOLID-OXIDE FUEL CELL, AND FLAT TUBULAR SOLID-OXIDE WATER ELECTROLYSIS APPARATUS

#116
20130316259
2013-11-28

Fuel cell system having a toggle switch

#117
20130302516
2013-11-14

Method for making electrode assembly for a solid oxide fuel cell

#118
20130288150
2013-10-31

FUEL CELL AND ELECTROLYSER STRUCTURE

#119
20130266876
2013-10-10

Spirally wound microbial fuel cell

#120
20130260280
2013-10-03

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

#121
20130252126
2013-09-26

Fuel cell device and system

#122
20130224630
2013-08-29

Solid oxide fuel cell and manufacturing method thereof

#123
20130216930
2013-08-22

Interconnect-type solid oxide fuel cell and fuel cell stack having the same

#124
20130171540
2013-07-04

BIMETAL CURRENT COLLECTING MEMBER AND FUEL CELL APPARATUS WITH THE SAME

#125
20130171539
2013-07-04

TUBULAR SOLID OXIDE FUEL CELL MODULE AND METHOD OF MANUFACTURING THE SAME

#126
20130164651
2013-06-27

SOLID OXIDE FUEL CELL AND CURRENT COLLECTING METHOD THEREOF

#127
20130143137
2013-06-06

Solid oxide fuel cell stack

#128
20130130137
2013-05-23

Huge stack for flat-tubular solid oxide fuel cell and manufacturing method thereof

#129
20130122400
2013-05-16

FUEL CELL

#130
20130084511
2013-04-04

SOLID OXIDE FUEL CELL STACK

#131
20130065153
2013-03-14

Flat tubular solid oxide fuel cell stack

#132
20130059223
2013-03-07

Process for producing tubular ceramic structures of non-circular cross section

#133
20130056911
2013-03-07

Process for producing tubular ceramic structures

#134
20130040216
2013-02-14

Solid oxide fuel cell systems with hot zones having improved reactant distribution

#135
20130029251
2013-01-31

Electricity-generation device

#136
20130029250
2013-01-31

Electricity-generation device

#137
20120328969
2012-12-27

Fuel cell system with centrifugal blower system for providing a flow of gaseous medium thereto

#138
20120328965
2012-12-27

Power generator having fuel cell and membrane conduits

#139
20120325678
2012-12-27

STRUCTURES AND FABRICATION TECHNIQUES FOR SOLID STATE ELECTROCHEMICAL DEVICES

#140
20120321974
2012-12-20

METHOD FOR CONTROLLING A FUEL CELL UTILIZING A FUEL CELL SENSOR

#141
20120273366
2012-11-01

Hydrogen or oxygen electrochemical pumping catalytic membrane reactor and its applications

#142
20120267251
2012-10-25

Structures and fabrication techniques for solid state electrochemical devices

#143
20120237852
2012-09-20

SOLID OXIDE FUEL CELL

#144
20120225373
2012-09-06

Electrode assembly for a solid oxide fuel cell and method for making the same

#145
20120208104
2012-08-16

FUEL CELL

#146
20120193242
2012-08-02

Tubular electrochemical cell

#147
20120189875
2012-07-26

Galvanic electrochemical cells for generating alternating current electricity

#148
20120115071
2012-05-10

SYSTEM FOR CONVERTING ENERGY WITH AN ENHANCED ELECTRIC FIELD

#149
20120107716
2012-05-03

Solid oxide fuel cell

#150
20120107708
2012-05-03

Fuel cell power generation system and method of operating thereof

#151
20120082868
2012-04-05

Floating Microbial Fuel Cells

#152
20120058410
2012-03-08

SOLID OXIDE FUEL CELL

#153
20120058406
2012-03-08

SOLID OXIDE FUEL CELL

#154
20120052405
2012-03-01

METHOD FOR CONTROLLING A FUEL CELL UTILIZING A FUEL CELL SENSOR

#155
20120040275
2012-02-16

Fuel Cell Module and Manufacturing Method Thereof

#156
20120040267
2012-02-16

Solid oxide fuel cell including a coupling structure

#157
20120034539
2012-02-09

HIGH EFFICIENCY AND RELIABLE FUEL CELL SYSTEM OPERATING AT NEAR 100% FUEL UTILIZATION

#158
20120021327
2012-01-26

Fuel cell assembly and fuel cell device with current collector between fuel cells

#159
20120015285
2012-01-19

SOLID OXIDE FUEL CELL

#160
20120015258
2012-01-19

Compact air preheater for solid oxide fuel cell systems

#161
20120003518
2012-01-05

Galvanic electrochemical cells utilizing taylor vortex flows

#162
20110294022
2011-12-01

Fuel cell system with burner

#163
20110200912
2011-08-18

Fuel cell components and systems having carbon-containing electrically-conductive hollow fibers

#164
20110177434
2011-07-21

Method for production of a solid oxide fuel cell (SOFC)

#165
20110165489
2011-07-07

Fuel cell based power generator

#166
20110129752
2011-06-02

CONNECTION OF CHEMICAL OR THERMAL REACTORS

#167
20110059388
2011-03-10

Solid oxide fuel cell and solid oxide fuel cell bundle

#168
20110053032
2011-03-03

MANIFOLD FOR SERIES CONNECTION ON FUEL CELL

#169
20110020721
2011-01-27

Consumer battery comprising a fuel cell

#170
20100330450
2010-12-30

Tubular solid oxide fuel cells with porous metal supports and ceramic interconnections

#171
20100239939
2010-09-23

TUBE-TYPE FUEL CELL

#172
20100233586
2010-09-16

TUBE-TYPE FUEL CELL

#173
20100233568
2010-09-16

Gas diffusion electrode, method for manufacturing the same and membrane electrode assembly

#174
20100203399
2010-08-12

Solid oxide fuel cell systems with hot zones having improved reactant distribution

#175
20100203361
2010-08-12

BIOLOGICAL FUEL CELL

#176
20100167147
2010-07-01

Reversible fuel cell

#177
20100151346
2010-06-17

Fuel cell

#178
20100151283
2010-06-17

Rechargeable fuel cell

#179
20100092806
2010-04-15

MINIATURE POWERED ANTENNA FOR WIRELESS COMMUNICATIONS AND RELATED SYSTEM AND METHOD

#180
20100086824
2010-04-08

ASSEMBLIES OF HOLLOW ELECTRODE ELECTROCHEMICAL DEVICES

#181
20100043210
2010-02-25

Method of manufacturing fuel cell based power generator

#182
20100038012
2010-02-18

Joined concentric tubes

#183
20100015492
2010-01-21

TUBULAR FUEL CELL AND PRODUCTION METHOD THEREOF

#184
20090297908
2009-12-03

Fuel cell with porous frit based composite proton exchange membrane

#185
20090286130
2009-11-19

Water Repellent Layer-Forming Tape

#186
20090286126
2009-11-19

TUBE-SHAPED SOLID POLYMER FUEL CELL AND METHOD FOR PRODUCING TUBE-SHAPED SOLID POLYMER FUEL CELL

#187
20090226781
2009-09-10

Fuel cell device and system

#188
20090214919
2009-08-27

Electrochemical reactor bundles, stacks, and electrochemical reactor systems consisting of these components

#189
20090162714
2009-06-25

Tubular fuel cell module and manufacturing method thereof

#190
20090155659
2009-06-18

Tubular fuel cell

#191
20090136806
2009-05-28

Tube Shaped Fuel Cell Module and Manufacturing Method thereof

#192
20090130536
2009-05-21

Fuel cell module, manufacturing method thereof and unit containing several of the latter

#193
20090130512
2009-05-21

Fuel Cell Assembly Comprising a Plurality of Microcells

#194
20090130511
2009-05-21

Fuel cell module including microcells

#195
20090121384
2009-05-14

Method of producing fuel cell and production apparatus for fuel cell

#196
20090117442
2009-05-07

Method of forming a fuel cell stack

#197
20090104495
2009-04-23

Electrode assembly for a solid oxide fuel cell and method for making the same

#198
20090087714
2009-04-02

Tubular fuel cell with coil current collector

#199
20090075145
2009-03-19

SOLID OXIDE TYPE FUEL CELL

#200
20090053570
2009-02-26

FUEL CELL STACK FOR LOW TEMPERATURE START-UP AND OPERATION

#201
20090047422
2009-02-19

Method for manufacturing tube-type fuel cell

#202
20090035620
2009-02-05

Solid oxide fuel cell systems with improved gas channeling and heat exchange

#203
20090017342
2009-01-15

FUEL CELL WITH SWITCHING ELECTRODES

#204
20090011328
2009-01-08

Porous support for electrochemical reaction cell high-density integration, and electrochemical reaction cell stack and electrochemical reaction system comprising the porous support for electrochemical reaction cell high-density integration

#205
20080280184
2008-11-13

FUEL CELL, METHOD FOR MANUFACTURING FUEL CELL, AND ELECTRONIC APPARATUS

#206
20080280181
2008-11-13

Tubular fuel cell and manufacturing method thereof

#207
20080248371
2008-10-09

FUEL CELL WITH A PASSAGE STRUCTURE

#208
20080248367
2008-10-09

Fuel cell module compatible with a dry cell

#209
20080152984
2008-06-26

Fuel cell module and fuel cell comprising fuel cell module

#210
20080138695
2008-06-12

Fuel Cell

#211
20080131586
2008-06-05

Method for Manufacturing Fuel Cell and Apparatus for Manufacturing Fuel Cell

#212
20080124611
2008-05-29

Consumer battery comprising a fuel cell

#213
20080124597
2008-05-29

Hollow-shaped membrane electrode assembly for fuel cell and hollow-type fuel cell

#214
20080093006
2008-04-24

Fuel cell devices, systems, and methods

#215
20080083614
2008-04-10

Pressurized electrolyzer stack module

#216
20080081230
2008-04-03

Fuel cell power generation system and method of operating thereof

#217
20080063916
2008-03-13

Electrolytic/fuel cell bundles and systems including a current collector in communication with an electrode thereof

#218
20080044718
2008-02-21

Column Type Fuel Cell, Series Device Thereof and Stack Thereof

#219
20080032170
2008-02-07

Light-weight, flexible edge collected fuel cells

#220
20080020247
2008-01-24

Compact air preheater for solid oxide fuel cell systems

#221
20080008922
2008-01-10

Fuel cell

#222
20070243439
2007-10-18

Fuel cell structures and assemblies

#223
20070218337
2007-09-20

Cell module and fuel cell having a water permeable hollow body

#224
20070166589
2007-07-19

Membrane electrode assembly for a tube-shaped fuel cell and tube-shaped fuel cell

#225
20070160886
2007-07-12

Seamless solid oxide fuel cell

#226
20070148523
2007-06-28

Interconnection of bundled solid oxide fuel cells

#227
20070120522
2007-05-31

High power density, ultra-light power generator

#228
20070117002
2007-05-24

Spinning electrode fuel cell

#229
20070072054
2007-03-29

Method for producing an electrode arrangement for use in a fuel cell

#230
20070072053
2007-03-29

Microreactor

#231
20070071975
2007-03-29

Micro-scale fuel cell fibers and textile structures therefrom

#232
20070048578
2007-03-01

Tube type fuel cell to decrease current path length

#233
20070015039
2007-01-18

Fuel cell

#234
20070015037
2007-01-18

Cao fuel cell stack with large specific reactive surface area

#235
20060280662
2006-12-14

Micro reformer and micro fuel cell having the same

#236
20060234112
2006-10-19

Structures and fabrication techniques for solid state electrochemical devices

#237
20060194099
2006-08-31

Flexible fuel cell

#238
20060131008
2006-06-22

Multi-pipe heat exchanger apparatus and method of producing the same

#239
20060127725
2006-06-15

Solid oxide fuel cell system

#240
20060118994
2006-06-08

Substrate-supported process for manufacturing microfibrous fuel cells

#241
20060099477
2006-05-11

Rotable fuel cell system

#242
20060057295
2006-03-16

Structures and fabrication techniques for solid state electrochemical devices

#243
20060008696
2006-01-12

Nanotubular solid oxide fuel cell

#244
20050271920
2005-12-08

Fuel cell systems comprising microfibrous fuel cell elements and methods of making and using same

#245
20050221155
2005-10-06

Compact fuel cell layer

#246
20050196657
2005-09-08

Solid oxide fuel cell system

#247
20050181269
2005-08-18

Microfibrous fuel cell assemblies comprising fiber-supported electrocatalyst layers, and methods of making same

#248
20050142424
2005-06-30

Fuel cell and fuel cell stack

#249
18163152
2024-08-27

Method and system for providing an improved fitting for a flexible fuel cell

#250
17528499
2023-02-14

Method and system for providing an improved fitting for a flexible fuel cell