ClassID:

213409

H01M8/0269 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Details; Collectors; Separators, e.g. bipolar separators; Interconnectors Separators, collectors or interconnectors including a printed circuit board

Recent Application in this class:
#1
20260135128
2026-05-14

VOLTAGE MEASUREMENT DEVICE FOR FUEL CELL AND FUEL CELL MODULE

#2
20260106183
2026-04-16

FUEL CELL

#3
20250329755
2025-10-23

CELL VOLTAGE PICKUP HAVING A GRID GEOMETRY

#4
20250112253
2025-04-03

POWER DISTRIBUTION UNIT FOR A FUEL CELL SYSTEM, METHOD FOR PRODUCING A POWER DISTRIBUTION UNIT

#5
20250105313
2025-03-27

Fuel Cell

#6
20250030014
2025-01-23

Fuel Cell and Voltage Tapping Device

#7
20250023073
2025-01-16

RADIO FREQUENCY SIGNAL AND POWER THROUGH DIELECTRIC WAVEGUIDE FOR GALVANIC ISOLATION TO HYDROGEN SENSORS

#8
20240396060
2024-11-28

A FUEL CELL

#9
20240372116
2024-11-07

METHOD AND APPARATUS FOR TRANSMITTING CURRENT AND VOLTAGE SIGNALS OF FUEL CELL BASED ON CONNECTOR

#10
20240356047
2024-10-24

ELECTRICAL CONNECTOR SYSTEMS AND METHODS FOR CONNECTING TO A FUEL CELL STACK

#11
20240332677
2024-10-03

AIR BATTERY MODULE

#12
20240072268
2024-02-29

FUEL CELL SYSTEM

#13
20240047708
2024-02-08

FUEL CELL INFORMATION MONITOR AND DATA TRANSFER

#14
20240014429
2024-01-11

FUEL CELL UNIT

#15
20230402632
2023-12-14

APPARATUS FOR MONITORING THE CELL VOLTAGE

#16
20230268542
2023-08-24

FUEL CELL STACK, FUEL CELL DEVICE AND MOTOR VEHICLE WITH FUEL CELL DEVICE

#17
20220320531
2022-10-06

FUEL CELL

#18
20220228276
2022-07-21

Fuel cell energy circulative utilization system

#19
20220209274
2022-06-30

Redox flow battery with a balancing cell

#20
20220085399
2022-03-17

Fuel cell and fuel cell system for an aircraft

#21
20210344026
2021-11-04

Fuel cell device and method of monitoring and structurally adapting a fuel cell device

#22
20210305593
2021-09-30

Assembly method using assembly tool

#23
20210098809
2021-04-01

Flow batteries with current collectors having a dielectric coating

#24
20200099068
2020-03-26

PROCESSES FOR LASER JOINING ELECTROCHEMICAL CELL MEMBERS

#25
20190221860
2019-07-18

Solid oxide fuel cell with electric conductive patterns on anode and cathode

#26
20190165378
2019-05-30

Electrochemical reaction single cell having cathode including cerium oxide and strontium sulfate and electrochemical reaction cell stack including the same

#27
20190109336
2019-04-11

Manufacturing method of unit cell of fuel cell

#28
20190044161
2019-02-07

Manufacturing method of separator for fuel cell

#29
20180309141
2018-10-25

METALLIC MEMBER USED FOR FUEL CELL STACK

#30
20180233765
2018-08-16

FUEL CELL COMPRISING AT LEAST TWO STACKED PRINTED CIRCUIT BOARDS WITH A PLURALITY OF INTERCONNECTED FUEL CELL UNITS

#31
20180090772
2018-03-29

Electrical contact device for a fuel cell stack

#32
20180079637
2018-03-22

Loading-unloading assist system

#33
20170288351
2017-10-05

Connector device including planar member with slits to receive electrical tabs of fuel cell stack

#34
20170279129
2017-09-28

Fuel cell for detecting a pollutant

#35
20170214070
2017-07-27

Power modulation for fuel cell powered datacenters

#36
20170040622
2017-02-09

Connector system for a fuel cell stack assembly

#37
20160087300
2016-03-24

Stackless fuel cell

#38
20150263359
2015-09-17

Electrical signal processing system for fuel cell stack

#39
20150255806
2015-09-10

Current collector for a fuel cell

#40
20150122814
2015-05-07

Dehumidifier

#41
20150086895
2015-03-26

Fuel cell

#42
20140162161
2014-06-12

Connector system for a fuel cell stack

#43
20140057138
2014-02-27

Fuel cell comprising at least two stacked printed circuit boards with a plurality of interconnected fuel cell units

#44
20130288155
2013-10-31

SUPPORT FOR ELECTRODE CATALYST AND METHOD OF MANUFACTURING THE SAME, ELECTRODE CATALYST AND FUEL CELL

#45
20130209918
2013-08-15

Conductive composition, conductive composition sheet, conductive substrate, collector sheet, printed circuit board, fuel cell and method of manufacturing the conductive composition

#46
20130202985
2013-08-08

Flexible circuit board and method for manufacturing the same, and fuel cell using the flexible circuit board

#47
20120189874
2012-07-26

PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING THE SAME, AND FUEL CELL

#48
20120141840
2012-06-07

FUEL SUPPLY AMOUNT ADJUSTMENT FILM, PRINTED CIRCUIT BOARD, AND FUEL CELL

#49
20110281202
2011-11-17

PRINTED CIRCUIT BOARD, FUEL CELL AND METHOD OF MANUFACTURING PRINTED CIRCUIT BOARD

#50
20110269044
2011-11-03

System for generating electric power with micro fuel cells and corresponding process

#51
20110200913
2011-08-18

Plate interconnect method for an embedded fuel cell sensor

#52
20110111264
2011-05-12

PRINTED CIRCUIT BOARD AND FUEL CELL

#53
20110076522
2011-03-31

PRINTED CIRCUIT BOARD AND FUEL CELL

#54
20100261081
2010-10-14

Multi-cell electric signal processing bipolar plate features

#55
20100136444
2010-06-03

Electrical bridge for fuel cell plates

#56
20100119903
2010-05-13

Fuel cell stack with a lightweight construction

#57
20090311561
2009-12-17

Fuel cell assembly

#58
20090286127
2009-11-19

Cell unit for a fuel cell and method for manufacturing the same

#59
20090274935
2009-11-05

Fuel Cell System Designed to Ensure Stability of Operation

#60
20090233138
2009-09-17

Membrane Electrode and Current Collecting Board Assembly of Electrochemical Cell, and Electrochemical Cell Module

#61
20090186255
2009-07-23

Case for miniature fuel cells

#62
20090126814
2009-05-21

Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same

#63
20090068506
2009-03-12

DEVICE AND METHOD FOR MONITORING INTERNAL STATE OF FUEL CELL

#64
20080318112
2008-12-25

Fuel cell module with membrane swelling control structure

#65
20080286633
2008-11-20

Circuit testing device for solid oxide fuel cell

#66
20080280183
2008-11-13

End plate for fuel cell stack and air breathing fuel cell stack using the same

#67
20080233464
2008-09-25

Fuel cell module

#68
20080124609
2008-05-29

Fuel cell

#69
20080124588
2008-05-29

Fuel cell

#70
20080107926
2008-05-08

Fuel cell

#71
20080102325
2008-05-01

Fuel cell

#72
20080102324
2008-05-01

Fuel cell

#73
20080070082
2008-03-20

FUEL CELL

#74
20080063918
2008-03-13

Fuel cell component including an identification display portion

#75
20080050637
2008-02-28

Microfabricated Fuel Cell

#76
20080044771
2008-02-21

Manufacturing method of fuel cell having micro sensors and polymer layers

#77
20080020259
2008-01-24

CURRENT COLLECTION BOARD FOR FUEL CELL

#78
20080020258
2008-01-24

CURRENT COLLECTION BOARD FOR FUEL CELL

#79
20080013296
2008-01-17

Structure of circuit board interface for fuel cell module

#80
20080011374
2008-01-17

Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same

#81
20080011367
2008-01-17

Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same

#82
20080003486
2008-01-03

CURRENT COLLECTOR BOARD FOR FUEL CELL

#83
20080003473
2008-01-03

MICRO FUEL CELL SYSTEM

#84
20080000945
2008-01-03

Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same

#85
20080000621
2008-01-03

Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same

#86
20070275277
2007-11-29

Fuel cell and fuel supply module thereof

#87
20070269686
2007-11-22

Monopolar membrane-electrode assembly

#88
20070264559
2007-11-15

LAYER LAMINATION INTEGRATED FUEL CELL

#89
20070254202
2007-11-01

CATHODE FLOW FIELD BOARD FOR FUEL CELL

#90
20070254201
2007-11-01

ANODE FLOW FIELD BOARD FOR FUEL CELL

#91
20070254197
2007-11-01

Fuel cell with embedded series/parallel mechanism

#92
20070231668
2007-10-04

FUEL CELL DEVICE

#93
20070231646
2007-10-04

Fuel flow board for the fuel cell

#94
20070231641
2007-10-04

Optical fuel cell stack cell voltage monitor

#95
20070196715
2007-08-23

Fuel cell device adapted to slim-type CD-ROM drive

#96
20070190239
2007-08-16

Method of forming serial or parallel fuel cell units

#97
20070186415
2007-08-16

Anticorrosive bipolar fuel cell board and method for manufacturing the same

#98
20070172717
2007-07-26

FUEL CELL DEVICE

#99
20070154749
2007-07-05

Fuel cell stack

#100
20070141414
2007-06-21

Fuel cell having micro sensors

#101
20070138620
2007-06-21

COMPOSITE FLOW BOARD FOR FUEL CELL

#102
20070104987
2007-05-10

Device for the transfer of water and heat between two air flows and use thereof for the humidification of fuel cell inlet gas

#103
20070099047
2007-05-03

Regulated fuel cell device

#104
20070099041
2007-05-03

Fuel cell with IC components

#105
20070087253
2007-04-19

Method of manufacturing a fuel cell array and a related array

#106
20070072056
2007-03-29

Membrane electrode assembly and fuel cell system including the same

#107
20070072047
2007-03-29

Fuel flow board structure for fuel cell

#108
20070065698
2007-03-22

Fuel cell built-in serial/parallel connecting mechanism

#109
20070065697
2007-03-22

Fuel cell having serial/parallel connecting mechanism of golden finger

#110
20070048594
2007-03-01

Membrane electrode assembly for fuel cell

#111
20070026266
2007-02-01

Distributed electrochemical cells integrated with microelectronic structures

#112
20060280994
2006-12-14

Direct liquid feed fuel cell stack

#113
20060246334
2006-11-02

Assembly structure for use in the fuel cell and assembly method thereof

#114
20060228614
2006-10-12

Assembly structure of clustering fuel cell

#115
20060204811
2006-09-14

Adaptor type fuel cell and assembly structure thereof

#116
20060194099
2006-08-31

Flexible fuel cell

#117
20060194098
2006-08-31

Manufacturing method of flexible substrate laminate integrated fuel cell and fuel cell thereof

#118
20060188770
2006-08-24

Compound flow field board for fuel cell

#119
20060154118
2006-07-13

Fuel cell device with compound power supply

#120
20060141326
2006-06-29

Integrated current collector and electrical component plate for a fuel cell stack

#121
20060127741
2006-06-15

Frame elements for monopolar fuel cell stacks

#122
20060126315
2006-06-15

Electrical circuit interface board for connecting fuel cell

#123
20060124346
2006-06-15

Current collection board for fuel cell

#124
20060121328
2006-06-08

Structure of integrated packed fuel cell

#125
20060112538
2006-06-01

Layer lamination integrated direct methanol fuel cell and a method of fabricating the same

#126
20060105231
2006-05-18

Electrochemical cells formed on pleated substrates

#127
20060105220
2006-05-18

Bipolar fuel cell board

#128
20060029838
2006-02-09

Method of establishing connections between measuring electronics and fuel cell stack

#129
20050249986
2005-11-10

Electrochemical cells formed on pleated substrates

#130
20050202297
2005-09-15

Fuel cell system in the form of a printed circuit board

#131
20050175876
2005-08-11

Fuel cell system including a fuel cell stack and at least one electrical energy storage device

#132
20050048349
2005-03-03

Method of manufacturing a fuel cell array and a related array

#133
20050048346
2005-03-03

Modular connections in a DMFC array

#134
20050042492
2005-02-24

Fuel cell stack

#135
20050035174
2005-02-17

Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same