ClassID:

30527

B01D2258/0208 - CPC Classification

Classification description:

Sources of waste gases; Other waste gases from fuel cells

Recent Application in this class:
#1
20250192199
2025-06-12

FUEL CELL EXHAUST-GAS SYSTEM

#2
20250149607
2025-05-08

DUAL PURPOSE ENERGY PLANT HAVING A FUEL CELL SYSTEM

#3
20250018335
2025-01-16

ELECTRIC VEHICLE EXHAUST SYSTEM

#4
20240399307
2024-12-05

APPARATUS FOR TREATING HYDROGEN GAS

#5
20240222784
2024-07-04

BATTERY MODULE WITH REINFORCED SAFETY

#6
20240178415
2024-05-30

DEVICE FOR SEPARATING AND COLLECTING WATER FROM A GAS STREAM, FUEL CELL SYSTEM, AND METHOD FOR OPERATING A FUEL CELL SYSTEM

#7
20230313949
2023-10-05

BOIL-OFF MANAGEMENT SYSTEM

#8
20230040546
2023-02-09

Method and system for preventing injury from hot exhaust gas

#9
20220305437
2022-09-29

CO2 UTILIZATION FOR CO PRODUCTION VIA FUEL CELL ENABLED BY CO2-SELECTIVE MEMBRANE

#10
20210331115
2021-10-28

METHOD AND SYSTEM FOR REMOVING CARBON DIOXIDE

#11
20200381757
2020-12-03

Hydrated magnesium hydride energy system

#12
20200220188
2020-07-09

Device for decreasing concentration of hydrogen exhausted from fuel cell

#13
20190247782
2019-08-15

APPARATUS, METHODS AND SYSTEMS FOR MULTI-STAGE SCRUBBING OF GAS MIXTURES

#14
20190111382
2019-04-18

Acid gas separation membrane and acid gas separation method using same, acid gas separation module, and acid gas separation apparatus

#15
20180261865
2018-09-13

System for capturing CO2 from a fuel cell

#16
20180205098
2018-07-19

Integrated gas management device for a fuel cell system

#17
20180102560
2018-04-12

Device for decreasing concentration of hydrogen exhausted from fuel cell

#18
20180034071
2018-02-01

Fuel cell having oxygen selective membrane

#19
20170341008
2017-11-30

DEVICE FOR REFORMING A VOC GAS

#20
20170263964
2017-09-14

Rechargeable battery assembly for a vehicle

#21
20170263963
2017-09-14

Device for decreasing hydrogen concentration of fuel cell system

#22
20160303508
2016-10-20

Catalyst and method for reducing hexavalent chromium Cr(VI)

#23
20150255817
2015-09-10

Gas separator and battery system having the same

#24
20150004504
2015-01-01

Integrated gas management device for a fuel cell system

#25
20140212774
2014-07-31

Gas reclaiming system and method

#26
20120312161
2012-12-13

Method and device for reducing the humidity of a gas in a housing interior

#27
20120289755
2012-11-15

Carbon catalyst for decomposition of hazardous substance, hazardous-substance-decomposing material, and method for decomposition of hazardous substance

#28
20120275992
2012-11-01

Dual Purpose Gas Purification by Using Pressure Swing Adsorption Columns for Chromatographic Gas Separation

#29
20120219483
2012-08-30

Carbon dioxide permeable membrane

#30
20120077096
2012-03-29

Fuel cell system and processes

#31
20110268636
2011-11-03

Carbon dioxide permeable membrane

#32
20110232277
2011-09-29

Device for reforming a gaseous VOC stream

#33
20110232257
2011-09-29

Device producing energy from a reformate

#34
20110232171
2011-09-29

Method of making a reformate from a gaseous VOC stream

#35
20110207003
2011-08-25

Method for removing CO, H2 and/or CH4 from the anode waste gas of a fuel cell with mixed oxide catalysts comprising Cu, Mn and optionally at least one rare earth metal

#36
20110200898
2011-08-18

Reforming concentrated VOC fuel stream into reformate and supplying reformate to energy conversion device

#37
20110123878
2011-05-26

Dual Purpose Gas Purification by Using Pressure Swing Adsorption Columns for Chromatographic Gas Separation

#38
20110053006
2011-03-03

Systems and methods for supplying auxiliary fuel streams during intermittent byproduct discharge from pressure swing adsorption assemblies

#39
20110023708
2011-02-03

Systems and methods for regulating heating assembly operation through pressure swing adsorption purge control

#40
20100319540
2010-12-23

Removal of acid gases by means of an absorbent comprising a stripping aid

#41
20100215566
2010-08-26

Method to condense and recover carbon dioxide from fuel cells

#42
20100136443
2010-06-03

Volatile organic compound abatement with fuel cell power plant

#43
20100111795
2010-05-06

Mixed oxides catalysts

#44
20100092812
2010-04-15

Device and method for processing exhaust gas from fuel cell

#45
20100089321
2010-04-15

GENERATION AND DISTRIBUTION OF A FLUORINE GAS

#46
20100043635
2010-02-25

PSA method using a composite adsorption bed comprising an adsorbent and PCM agglomerates

#47
20100003555
2010-01-07

METHOD AND DEVICE FOR DECONTAMINATION AIR FOR FUEL CELL, AND FUEL CELL

#48
20090246573
2009-10-01

Contaminant separator and isolation loop for a fuel reactant stream for a fuel cell

#49
20090226780
2009-09-10

CATALYST BASED ON A HEXAALUMINATE FOR THE COMBUSTION OF HYDROCARBONS AND FUEL CELL ARRANGEMENT WITH EXHAUST BURNER

#50
20090169931
2009-07-02

Fuel cell system having recycle fuel conduit in fluid communication with fuel cell assembly and carbon dioxide removal unit

#51
20090151560
2009-06-18

Systems and methods for supplying auxiliary fuel streams during intermittent byproduct discharge from pressure swing adsorption assemblies

#52
20090139402
2009-06-04

Regenerative sulfur sorption

#53
20090101008
2009-04-23

Carbon dioxide permeable membrane

#54
20090001524
2009-01-01

GENERATION AND DISTRIBUTION OF A FLUORINE GAS

#55
20080302011
2008-12-11

Systems and methods for regulating heating assembly operation through pressure swing adsorption purge control

#56
20080264254
2008-10-30

Novel sorbents and purification and bulk separation of gas streams

#57
20080233039
2008-09-25

Catalysts For Co Oxidation,Voc Combustion And Nox Reduction And Methods Of Making And Using The Same

#58
20080213647
2008-09-04

Fuel cell system with purifying apparatus

#59
20080102023
2008-05-01

REFORMING APPARATUS FOR FUEL CELLS

#60
20080020245
2008-01-24

Gas reclaiming system and method

#61
20070281191
2007-12-06

Fuel cell apparatus

#62
20070264554
2007-11-15

Fuel cell system

#63
20070259225
2007-11-08

Recovering a reactant from a fuel cell exhaust flow

#64
20070199446
2007-08-30

Production of carbon monoxide-free hydrogen and helium from a high-purity source

#65
20070196258
2007-08-23

Desulfurizer for fuel gas for fuel cell and desulfurization method using the same

#66
20070178338
2007-08-02

Fuel cell system with electrochemical anode exhaust recycling

#67
20070154359
2007-07-05

Conditioning a de-sulfurization system

#68
20070141430
2007-06-21

Gas scrubber and method related thereto

#69
20070129247
2007-06-07

Carbon monoxide catalyst

#70
20070116621
2007-05-24

System and method for mixing gases in a fuel cell exhaust system

#71
20070111077
2007-05-17

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

#72
20070086934
2007-04-19

Reformer system and method reforming

#73
20070053815
2007-03-08

Method for reducing emissions due to gaseous decomposition products of an electrolyte in vehicles

#74
20070044657
2007-03-01

Fuel cell systems and methods for passively increasing hydrogen recovery through vacuum-assisted pressure swing adsorption

#75
20070017369
2007-01-25

Fuel cell anode exhaust fuel recovery by adsorption

#76
20070017368
2007-01-25

Gas separation method and apparatus using partial pressure swing adsorption

#77
20070017367
2007-01-25

Partial pressure swing adsorption system for providing hydrogen to a vehicle fuel cell

#78
20070003809
2007-01-04

Liquid-gas separator for direct liquid feed fuel cell

#79
20070003800
2007-01-04

Air filter assembly for low temperature catalytic processes

#80
20060292426
2006-12-28

FILTER ASSEMBLIES AND SYSTEMS FOR INTAKE AIR FOR FUEL CELLS

#81
20060260193
2006-11-23

Device and method for reforming a voc gas

#82
20060257708
2006-11-16

System that includes a fuel cell and an oxygen gas delivery system

#83
20060257304
2006-11-16

Catalyst systems and uses thereof

#84
20060240295
2006-10-26

Method and device for decontamination air for fuel cell, and fuel cell

#85
20060182680
2006-08-17

Systems and processes for providing hydrogen to fuel cells

#86
20060162557
2006-07-27

Zeolite adsorbent for desulfurization and method of preparing the same

#87
20060140823
2006-06-29

In-situ removal of electrolyte from gas oxidizer

#88
20060130651
2006-06-22

Systems and methods for regulating heating assembly operation through pressure swing adsorption purge control

#89
20060123989
2006-06-15

Method and device for purifying air for fuel cells

#90
20060088468
2006-04-27

Fuel gas production apparatus and method of starting operation of fuel gas production apparatus

#91
20060081483
2006-04-20

Hydrogen storage container and mixture therein

#92
20060032138
2006-02-16

Carbon monoxide adsorption for carbon monoxide clean-up in a fuel cell system

#93
20060011061
2006-01-19

System and method for treating fluid using a multi-port valve assembly

#94
20050247619
2005-11-10

Moisture exchange module having bundle of moisture permeable hollow fibre membranes

#95
20050247200
2005-11-10

Moisture exchange module containing a bundle of moisture-permeable hollow fiber membranes

#96
20050241482
2005-11-03

Moisture exchange module having a bundle of moisture-permeable hollow fibre membranes

#97
20050235615
2005-10-27

Filter assemblies and systems for intake air for fuel cells

#98
20050208348
2005-09-22

Air filtration system for fuel cell systems

#99
20050169820
2005-08-04

Microfibrous entrapment of small reactive particulates and fibers for high contacting efficiency removal of contaminants from gaseous or liquid streams

#100
20050116365
2005-06-02

Humidifier

#101
20050112423
2005-05-26

Fuel cell power generation system and method for operating the same

#102
20050098034
2005-05-12

Hydrogen purification process using pressure swing adsorption for fuel cell applications

#103
20050098033
2005-05-12

Control of a hydrogen purifying pressure swing adsorption unit in fuel processor module for hydrogen generation

#104
20050095468
2005-05-05

Fluid cleaner and fuel-cell generator

#105
20050090388
2005-04-28

Gas decomposing unit, electrode for a fuel cell, and method of manufacturing the gas decomposing unit

#106
20050090387
2005-04-28

Catalyst assembly

#107
20050076623
2005-04-14

Filter assemblies and systems for intake air for fuel cells

#108
20050074640
2005-04-07

Fuel cell system and operation method thereof

#109
20050056149
2005-03-17

System and method for treating fluid using a multi-port valve assembly

#110
20050022670
2005-02-03

Air filter assembly for low temperature catalytic processes

#111
20050003248
2005-01-06

Fuel gas production apparatus and fuel cell system