ClassID:

213429

H01M8/04044 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange Purification of heat exchange media

Recent Application in this class:
#1
20260145098
2026-05-28

ION EXCHANGER FILTER DEVICE AND ION EXCHANGER CARTRIDGE

#2
20260142202
2026-05-21

ION FILTER, FUEL CELL SYSTEM COMPRISING THE SAME AND FUEL CELL VEHICLE COMPRISING THE SAME

#3
20260112662
2026-04-23

COOLING MULTIPLE PARALLEL HYDROGEN FUEL CELL MODULES

#4
20260034541
2026-02-05

ION EXCHANGER FILTER ASSEMBLY AND CONNECTION PIPE

#5
20250387730
2025-12-25

DEIONIZATION FILTER ASSEMBLY WITH CYLINDER-IN-CYLINDER DESIGN

#6
20250253360
2025-08-07

STORAGE CONTAINER FOR TEMPORARILY STORING A TEMPERATURE CONTROL AGENT

#7
20250237689
2025-07-24

SYSTEM AND METHOD FOR DETERMINING WHETHER TO REPLACE ION FILTER

#8
20250201875
2025-06-19

FUEL CELL WATER RECOVERY SYSTEM

#9
20250140880
2025-05-01

COOLANT RESERVOIR INCLUDING ION FILTER

#10
20250125384
2025-04-17

STRUCTURE FOR INCREASING DURABILITY OF ION FILTER

#11
20250070206
2025-02-27

COOLING STRUCTURE FOR AN AIR COOLER

#12
20250034379
2025-01-30

POLYPROPYLENE RESIN COMPOSITION AND MOLDED PRODUCT INCLUDING THE SAME

#13
20250025870
2025-01-23

DEIONISER FOR A FLUID CIRCUIT, FLUID CIRCUIT COMPRISING SUCH A DEIONISER, METHOD FOR FILLING A DEIONISER

#14
20240372118
2024-11-07

MONITORING AN ION FILTER FOR A FUEL CELL COOLING CIRCUIT

#15
20240123370
2024-04-18

ION FILTER

#16
20240066516
2024-02-29

MAINTAINING METHOD FOR COOLING SYSTEM

#17
20240063412
2024-02-22

FUEL CELL SYSTEM AND THERMAL MANAGEMENT METHOD THEREOF

#18
20240039019
2024-02-01

FUEL CELL SYSTEM AND METHOD FOR START CONTROL THEREIN

#19
20230317981
2023-10-05

Fuel Cell Cooling

#20
20230249106
2023-08-10

FILTER APPARATUS

#21
20230187671
2023-06-15

STRUCTURE FOR IMPROVING PERFORMANCE OF FUEL CELL THERMAL MANAGEMENT SYSTEM

#22
20230187661
2023-06-15

INTEGRATED STRUCTURE OF ION FILTER AND RESERVOIR

#23
20230174393
2023-06-08

ION FILTER

#24
20230101114
2023-03-30

Ion Exchange Exoskeleton and Filter Assembly

#25
20220410138
2022-12-29

ION EXCHANGER FILTER DEVICE AND ION EXCHANGER CARTRIDGE

#26
20220320547
2022-10-06

Fuel cell system

#27
20220258071
2022-08-18

Ion exchanger

#28
20220209261
2022-06-30

Ion filter for fuel-cell stack

#29
20220032726
2022-02-03

HEAT EXCHANGER COOLING DEVICE

#30
20210408571
2021-12-30

Fuel cell device

#31
20210218040
2021-07-15

High-efficiency heat exchanger for temperature control system of fuel cell and processing device thereof

#32
20210175523
2021-06-10

Heat exchanger for a cooling circuit

#33
20210104762
2021-04-08

Coolant control system and control method of fuel cell

#34
20210091391
2021-03-25

Fuel cell system, method of controlling fuel cell system, and fuel cell system-mounted vehicle

#35
20210057769
2021-02-25

Desulfurizer

#36
20210020966
2021-01-21

Fuel cell system

#37
20200321636
2020-10-08

COOLANT PURIFICATION

#38
20200188813
2020-06-18

Ion exchanger

#39
20200099084
2020-03-26

Fuel cell system and method for operating the same, and electrochemical system and method for operating the same

#40
20200099070
2020-03-26

Fuel cell system

#41
20200067115
2020-02-27

Fuel cell system

#42
20200054973
2020-02-20

Conical filter element with funnel directing particles to a trap

#43
20190348693
2019-11-14

Ion exchanger

#44
20190229351
2019-07-25

Fuel cell system

#45
20190165388
2019-05-30

Coolant purification

#46
20180287171
2018-10-04

Fuel cell system, method of controlling fuel cell system, and fuel cell system-mounted vehicle

#47
20180233757
2018-08-16

Fuel cell stack having an internal particle retention function and vehicle having such a fuel cell stack

#48
20180145349
2018-05-24

Ion exchanger

#49
20180117496
2018-05-03

Ion exchanger

#50
20180058781
2018-03-01

Ion exchanger

#51
20180056284
2018-03-01

Ion exchanger

#52
20180040908
2018-02-08

Radiator cleaning treatment method and method for cleaning radiator

#53
20180034087
2018-02-01

Method of controlling fuel cell system

#54
20170368547
2017-12-28

Ion exchanger

#55
20170263953
2017-09-14

Ion exchanger

#56
20170222586
2017-08-03

Mobile waterborne energy platform that produces electrical power

#57
20170187050
2017-06-29

FUEL CELL UNIT INCLUDING AN EXCHANGEABLE DEIONIZATION DEVICE AND A VEHICLE INCLUDING SUCH A FUEL CELL UNIT

#58
20170133696
2017-05-11

Fuel cell system and method for controlling fuel cell system

#59
20170104229
2017-04-13

Method for managing ion filter of fuel cell vehicle

#60
20170062846
2017-03-02

Thermal management system of fuel cell vehicle

#61
20160380280
2016-12-29

Fuel cell system with a single coolant loop

#62
20160351923
2016-12-01

De-mineralizer for fuel cell and manufacturing method of same

#63
20160308226
2016-10-20

Cooling module for a fuel cell

#64
20160197364
2016-07-07

Coolant purification

#65
20160197363
2016-07-07

ION FILTER LIFETIME PERCEPTION DEVICE FOR FUEL CELL VEHICLE

#66
20160172690
2016-06-16

Ion filter life perception device for fuel cell vehicle

#67
20160164118
2016-06-09

Fuel cell ion exchanger and fuel cell system

#68
20160141648
2016-05-19

Coolant purification

#69
20160129808
2016-05-12

Fuel cell system

#70
20160089618
2016-03-31

Ion-exchanger

#71
20150325866
2015-11-12

GAS SEPARATION FROM FUEL CELL COOLING WATER

#72
20150325865
2015-11-12

Method for operating a fuel cell system

#73
20150295254
2015-10-15

Ion exchange filter assembly with integrated degas function

#74
20150273356
2015-10-01

Ion exchanger for a cooling circuit

#75
20150255810
2015-09-10

Excess coolant fluid feed to fuel cell stacks

#76
20150188156
2015-07-02

Thermal management system and method for fuel cell vehicle

#77
20150171440
2015-06-18

Ion-exchange equipment

#78
20150136352
2015-05-21

Cooling circuit for fuel cell

#79
20140248550
2014-09-04

Ion exchanger and cooler having ion exchanger

#80
20140127600
2014-05-08

Cooling apparatus for fuel cell

#81
20140120432
2014-05-01

BUBBLE REMOVING DEVICE FOR AN ION FILTER IN A FUEL CELL SYSTEM

#82
20130309586
2013-11-21

Expansion Tank for a Liquid Fluid and Ion Exchanger of an Expansion Tank

#83
20130309585
2013-11-21

Ion Exchanger for Processing a Liquid Fluid

#84
20130224619
2013-08-29

Coolant Circuit for a Fuel Cell System, and Method for Fluidically Coupling an Ion Exchange Module to a Component of a Coolant Circuit

#85
20130059214
2013-03-07

FUEL CELL CONTAMINANT REMOVAL METHOD

#86
20120315563
2012-12-13

Large-area demineralizer for fuel cell

#87
20120244449
2012-09-27

CONTAINER ARRANGEMENT FOR A FUEL CELL SYSTEM, AND METHOD FOR INTRODUCING AN ION EXCHANGE MODULE IN A COOLANT CONTAINER

#88
20120148930
2012-06-14

Cooling device for a functional system

#89
20120145550
2012-06-14

APPARATUS FOR REMOVING IONS IN COOLING WATER FOR FUEL CELL VEHICLE

#90
20120145280
2012-06-14

APPARATUS FOR INJECTING COOLANT FOR FUEL CELL VEHICLE

#91
20120115052
2012-05-10

Fuel cell system and method for operating fuel cell system

#92
20120064426
2012-03-15

Fuel cell system including coolant additive and ion exchange resin and fuel-cell vehicle

#93
20120040260
2012-02-16

FUEL CELL SYSTEM AND WATER DRAINING METHOD FOR FUEL CELL SYSTEM

#94
20120013185
2012-01-19

FUEL CELL SYSTEM

#95
20110236781
2011-09-29

FUEL CELL COOLING

#96
20110143248
2011-06-16

Fuel cell system including coolant de-airing passage

#97
20110143245
2011-06-16

FUEL CELL SYSTEM

#98
20110129753
2011-06-02

Coolant demineralizer for a fuel cell vehicle

#99
20100297513
2010-11-25

FUEL CELL SYSTEM

#100
20100203412
2010-08-12

Fuel cell system and operation method thereof

#101
20100167151
2010-07-01

ION EXCHANGER FOR FUEL CELL VEHICLE

#102
20100167140
2010-07-01

Response to Ingestion of Gas Into Fuel Cell Coolant

#103
20100047629
2010-02-25

PEM fuel cell system with a porous hydrophobic gas venting member with gas flow blockage prevention

#104
20090317680
2009-12-24

Fuel cell cooling system

#105
20090233134
2009-09-17

Ion exchange cartridge for fuel cell applications

#106
20090226775
2009-09-10

Water recovery assembly for transferring water from fuel cell cathode exhaust

#107
20090130529
2009-05-21

Fuel Cell System and Operation Method Thereof

#108
20090068521
2009-03-12

Cooling System for a Fuel Cell

#109
20090011288
2009-01-08

Circulation of gas-entrained fuel cell coolant

#110
20080311450
2008-12-18

COOLING APPARATUS FOR FUEL CELL

#111
20080299422
2008-12-04

Hydrogen sensor cell for detecting contaminants

#112
20080286618
2008-11-20

Fuel cell cooling device with ion extraction medium

#113
20080254328
2008-10-16

Closed coolant loop with expansion device for a fuel cell system

#114
20080233448
2008-09-25

Coolant reservoir purge system for fuel cell systems and vehicles

#115
20080224687
2008-09-18

Method and apparatus for monitoring fuel cells

#116
20080217087
2008-09-11

Drainage structure in fuel cell motorcycle

#117
20080199748
2008-08-21

Fuel cell power generation device

#118
20080160372
2008-07-03

Piping Structure of a Fuel Cell Stack

#119
20080063902
2008-03-13

Fuel Cell System

#120
20080038610
2008-02-14

Fuel cells evaporative reactant gas cooling and operational freeze prevention

#121
20080003474
2008-01-03

ANTIFREEZE COOLING SUBSYSTEM

#122
20070298291
2007-12-27

Coolant Composition, Cooling System And Process For Producing Coolant

#123
20070154758
2007-07-05

Fuel cell stack

#124
20070141421
2007-06-21

Device and method to release the overpressure of a fuel cell coolant tank

#125
20070137674
2007-06-21

Readying cooling circuits for use in fuel cells

#126
20060269807
2006-11-30

Fuel cell cooling system and method for controlling circulation of cooling liquid in fuel cell

#127
20060240298
2006-10-26

Fuel cell temperature control apparatus

#128
20060216562
2006-09-28

Integrated fuel cell system

#129
20060216554
2006-09-28

Cooling method for fuel cell

#130
20060204797
2006-09-14

Cooling method for fuel cell

#131
20060134481
2006-06-22

Dual pump fuel cell temperature management system

#132
20060068250
2006-03-30

Integrated fuel cell power module

#133
20060057446
2006-03-16

Control of conductivity reduction within a fuel cell system

#134
20060037894
2006-02-23

Particle filter for fuel cell coolant

#135
20060035122
2006-02-16

Method for cooling oxygen sensitive components

#136
20050274676
2005-12-15

Deionization filter for fuel cell vehicle coolant

#137
20050252791
2005-11-17

Removal of hydrogen from coolant fluid

#138
20050231153
2005-10-20

High voltage isolation detection of a fuel cell system using magnetic field cancellation

#139
20050181248
2005-08-18

Integrated fuel cell system

#140
20050170225
2005-08-04

Vehicle-mounted fuel cell stack

#141
20050115884
2005-06-02

Ion-exchange filter

#142
20050115883
2005-06-02

Ion exchange filter apparatus

#143
20050106438
2005-05-19

Vehicle plumbing to release hydrogen from fluid

#144
20050106433
2005-05-19

Cooling device for fuel cell

#145
20050079401
2005-04-14

Fuel cell stack simulator

#146
20050077252
2005-04-14

Readying cooling circuits for use in fuel cells

#147
20050058868
2005-03-17

Cooling system for fuel cell and method for detecting deterioration of impurity removing member of cooling system for fuel cell

#148
20050008910
2005-01-13

Fuel cell system