ClassID:

85363

C01B2210/0053 - CPC Classification

Classification description:

Purification or separation of specific gases; Impurity removed Hydrogen

Recent Application in this class:
#1
20250361144
2025-11-27

SYSTEMS AND METHODS FOR PRODUCTION OF LOW CARBON INTENSITY HYDROGEN FROM GEOLOGIC SOURCES

#2
20250313456
2025-10-09

Extraction of Antigravity Hydrogen Atoms

#3
20250187919
2025-06-12

HELIUM RECOVERY FROM THE NATURAL GAS IN PETROCHEMICAL PLANTS

#4
20250162878
2025-05-22

METHOD FOR GASIFICATION OF POLYMERIC RECYCLABLE MATERIALS FOR THE LOW-EMISSION SUPPLY OF CARBON MONOXIDE USABLE FOR THE PRODUCTION OF PHOSGENE

#5
20250091864
2025-03-20

PRODUCING HYDROGEN FROM HYDROGEN SULFIDE

#6
20240390835
2024-11-28

Hydrogen Purification By Adsorption

#7
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#8
20240239650
2024-07-18

METHOD AND SYSTEM OF THERMOLYSIS BASED HYDROGEN AND OXYGEN GENERATION

#9
20230212768
2023-07-06

Device and method for producing hydrogen and byproduct oxygen by using green electricity electrolyzed water

#10
20230092115
2023-03-23

Device and method for recovering by-product oxygen of hydrogen production from electrolyzed water by low-temperature method

#11
20220001326
2022-01-06

Method for Separating Gases in an Oxy-Fuel Combustion Process by Using Oxygen-Permeable Membranes

#12
20210354987
2021-11-18

HELIUM PURIFICATION PROCESS AND UNIT

#13
20200385269
2020-12-10

Helium purification process and unit

#14
20190176083
2019-06-13

PROCESS AND PLANT FOR OBTAINING PURE HELIUM

#15
20190154332
2019-05-23

METHOD FOR SEPARATING A SYNTHESIS GAS

#16
20190128601
2019-05-02

Process and plant for the combination production of a mixture of hydrogen and nitrogen and also of carbon monoxide by cryogenic distillation and cryogenic scrubbing

#17
20180327263
2018-11-15

Process and apparatus for treating a sour synthesis gas

#18
20180320959
2018-11-08

Method and apparatus for separating a synthesis gas

#19
20180258035
2018-09-13

Method for purification of a CO2 stream

#20
20180244523
2018-08-30

Production of hyperpolarized gas

#21
20180050912
2018-02-22

Method for refining argon gas and recovering and refining apparatus for argon gas

#22
20180050301
2018-02-22

Methods and systems for managing gas purification

#23
20170320736
2017-11-09

Combined membrane-pressure swing adsorption method for recovery of helium

#24
20170197831
2017-07-13

Methods and systems for isolating nitrogen from a gaseous mixture

#25
20160228813
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#26
20160008789
2016-01-14

Method for selectively isolating hydrogen or helium using a natrolite-based zeolite, and novel natrolite-based zeolite

#27
20150086475
2015-03-26

Method for selectively isolating hydrogen or helium using a natrolite-based zeolite, and novel natrolite-based zeolite

#28
20140301941
2014-10-09

System and method for extracting and collecting substances from a molecular combination

#29
20140116490
2014-05-01

Electricity generation

#30
20130149226
2013-06-13

Inert gas recovery and recycle for silicon crystal growth pulling process

#31
20130087444
2013-04-11

Process for selective removal of a product from a gaseous system

#32
20130043138
2013-02-21

System and method for chemical potential energy production

#33
20130032028
2013-02-07

METHOD FOR OPERATING GAS SEPARATION DEVICE

#34
20130025244
2013-01-31

Selective gas filter

#35
20120308462
2012-12-06

INERT GAS RECOVERY SYSTEM AND METHOD

#36
20120294776
2012-11-22

Combined carbon dioxide and oxygen process for ethylbenzene dehydrogenation to styrene

#37
20120171587
2012-07-05

Conducting ceramics for electrochemical systems

#38
20120150173
2012-06-14

METHOD FOR IN SITU TREATMENT OF A TISSUE

#39
20120128578
2012-05-24

System and method for extracting and collecting substances from a molecular combination

#40
20110308385
2011-12-22

Method for selectively isolating hydrogen or helium using a natrolite-based zeolite, and novel natrolite-based zeolite

#41
20110296986
2011-12-08

Separation of industrial gases

#42
20110286907
2011-11-24

Ammonia synthesis process

#43
20110262314
2011-10-27

DEVICE FOR PRODUCING HYDROGEN FROM A PLASMA WITH ELECTRON CYCLOTRON RESONANCE

#44
20110262313
2011-10-27

DEVICE FOR PRODUCING HYDROGEN BY MEANS OF AN ELECTRON CYCLOTRON RESONANCE PLASMA

#45
20110259194
2011-10-27

System for preventing contaminants from reaching a gas purifier

#46
20110135563
2011-06-09

Filter Material for Generating Oxygen and/or Hydrogen From A Source

#47
20110108435
2011-05-12

System and method for chemical potential energy production

#48
20100247395
2010-09-30

Gas purifying process and device

#49
20100193422
2010-08-05

AIR OR WATER FILTRATION AND REMEDIATION SYSTEM

#50
20100178238
2010-07-15

Method and apparatus for hydrocarbon reforming based on oxygen-permeable membrane

#51
20100101942
2010-04-29

Electrolytic cell with cavitating jet

#52
20100101410
2010-04-29

Helium recovery process

#53
20090318743
2009-12-24

Combined carbon dioxide and oxygen process for ethylbenzene dehydrogenation to styrene

#54
20090305091
2009-12-10

Production and uses of carbon suboxides

#55
20090272273
2009-11-05

Filter material for generating oxygen and/or hydrogen from a source

#56
20090232716
2009-09-17

Reactor with a thermal gradient controlled for the production of pure hydrogen

#57
20090132206
2009-05-21

System and method of eliminating interference for impurities measurement in noble gases

#58
20090120294
2009-05-14

System for preventing contaminants from reaching a gas purifier

#59
20090107331
2009-04-30

Method and apparatus for pressure swing adsorption

#60
20090104101
2009-04-23

Purification of noble gases using online regeneration of getter beds

#61
20090074654
2009-03-19

Filter material for generating oxygen and/or hydrogen from a source

#62
20090071472
2009-03-19

Apparatus for producing oxygen and/or hydrogen gas

#63
20090071471
2009-03-19

Apparatus for producing oxygen and/or hydrogen in an environment devoid of breathable oxygen

#64
20080167650
2008-07-10

Electrochemical probe and method for in situ treatment of a tissue

#65
20080134716
2008-06-12

Method for Separating Trace Components from a Nitrogen-Rich Stream

#66
20080127925
2008-06-05

Water fueled engine

#67
20080078122
2008-04-03

Reduced-emission gasification and oxidation of hydrocarbon materials for hydrogen and oxygen extraction

#68
20080017514
2008-01-24

System and process for extracting and collecting substances from a molecular combination

#69
20070269687
2007-11-22

Reactor for simultaneous separation of hydrogen and oxygen from water

#70
20070260101
2007-11-08

Membrane reactor process for chemical conversions

#71
20070248503
2007-10-25

Conducting ceramics for electrochemical systems

#72
20070245897
2007-10-25

Electron, hydrogen and oxygen conveying membranes

#73
20070205111
2007-09-06

Apparatus And Method For Producing Hydrogen

#74
20070196261
2007-08-23

Production and uses of carbon suboxides

#75
20070140933
2007-06-21

Membrane Systems Containing An Oxygen Transport Membrane And Catalyst, And Methods Of Using The Same

#76
20070122667
2007-05-31

Fuel cell system with integrated fuel processor

#77
20070111048
2007-05-17

Conducting ceramics for electrochemical systems

#78
20070105013
2007-05-10

Integrated device and substrate for separating charged carriers and reducing photocorrosion and method for the photoelectrochemical production of electricity and photocatalytic production of hydrogen

#79
20060191408
2006-08-31

Composite mixed oxide ionic and electronic conductors for hydrogen separation

#80
20060165573
2006-07-27

Gas purifying process and device

#81
20060096453
2006-05-11

Noble metal gas barriers

#82
20050284297
2005-12-29

Gas purification system with an integrated hydrogen sorption and filter assembly

#83
20050092175
2005-05-05

Noble metal gas barriers

#84
20050051757
2005-03-10

Oxidation resistant organic hydrogen getters