ClassID:

84425

C01B13/0259 - CPC Classification

Classification description:

Oxygen; Ozone; Oxides or hydroxides in general; Preparation of oxygen; Purification or separation processes; Physical processing only by adsorption on solids

Sub-classes:
Recent Application in this class:
#1
20260097353
2026-04-09

OXYGEN CONCENTRATOR

#2
20260042051
2026-02-12

HOUSEHOLD OXYGEN GENERATOR

#3
20250387583
2025-12-25

GAS CONCENTRATOR WITH REMOVABLE CARTRIDGE ADSORBENT BEDS

#4
20240409408
2024-12-12

Methods and systems for producing sulfur-containing products

#5
20240226799
2024-07-11

OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM

#6
20240216636
2024-07-04

OXYGEN GAS CONCENTRATOR WITH OUTLET ACCUMULATOR

#7
20240149209
2024-05-09

MODULAR PRESSURE-SWING ADSORPTION SYSTEM

#8
20240131466
2024-04-25

OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM

#9
20230212759
2023-07-06

SYSTEM AND METHOD FOR CO-PRODUCING ULTRA-HIGH PURITY OXYGEN AND ULTRA-HIGH PURITY HYDROGEN

#10
20230120744
2023-04-20

Gas concentrator with removable cartridge adsorbent beds

#11
20230112985
2023-04-13

BREATH DETECTION WITH MOVEMENT COMPENSATION

#12
20220257895
2022-08-18

EFFICIENT VACUUM PRESSURE SWING ADSORPTION SYSTEMS AND METHODS

#13
20210178103
2021-06-17

Oxygen concentrator

#14
20210086003
2021-03-25

Composition control for OBOGS

#15
20210077766
2021-03-18

Gas concentrator with removable cartridge adsorbent beds

#16
20210039038
2021-02-11

Modular oxygen generator

#17
20210016044
2021-01-21

Oxygen gas concentrator with outlet accumulator

#18
20200324070
2020-10-15

Gas concentrator with removable cartridge adsorbent beds

#19
20190300925
2019-10-03

GLUCOSE SENSORS AND METHODS OF MANUFACTURE THEREOF

#20
20190126189
2019-05-02

Rotary valve assembly for pressure swing adsorption system

#21
20190126188
2019-05-02

Rotary valve assembly for sieve beds for pressure swing adsorption control

#22
20190031504
2019-01-31

Process for separation of hydrogen and oxygen

#23
20180318750
2018-11-08

Method for Gas Separation, Purification and Clarification by FTrPSA

#24
20180093219
2018-04-05

Method for producing oxygen by VPSA comprising four adsorbers

#25
20180079644
2018-03-22

Oxygen production process of VSA type with period regeneration

#26
20180078891
2018-03-22

System and method for concentrating gas

#27
20180056221
2018-03-01

FILTER DEVICE AND OXYGEN ENRICHING APPARATUS

#28
20180001048
2018-01-04

Oxygen gas concentrator with outlet accumulator

#29
20170361052
2017-12-21

Gas concentrator with removable cartridge adsorbent beds

#30
20170348501
2017-12-07

Gas concentrator with removable cartridge adsorbent beds

#31
20170340851
2017-11-30

OXYGEN GAS CONCENTRATOR WITH OUTLET ACCUMULATOR

#32
20170274171
2017-09-28

Oxygen concentration device

#33
20170074213
2017-03-16

Apparatus and method for oxy-combustion of fuels in internal combustion engines

#34
20160310886
2016-10-27

Oxygen separator with rapid diagnostic

#35
20160136564
2016-05-19

System and method for concentrating gas

#36
20160129387
2016-05-12

Device for producing purified oxygen

#37
20160017794
2016-01-21

Engine reformer systems for lower cost, smaller scale manufacturing of liquid fuels

#38
20160001216
2016-01-07

Oxygen separator and method of generating oxygen

#39
20150238895
2015-08-27

Oxygen separation device for a pressure swing adsorption system

#40
20150151239
2015-06-04

Gas separation device and gas separation method

#41
20150128801
2015-05-14

Oxygen separator and method of generating oxygen

#42
20150059741
2015-03-05

Sound muffler and oxygen concentration device comprising the same

#43
20150007722
2015-01-08

Adsorber with horizontal axial bed and clearing system of packing

#44
20140262775
2014-09-18

Glucose sensors and methods of manufacture thereof

#45
20140224246
2014-08-14

Proportional oxygen conserving device with flow sensing

#46
20140224126
2014-08-14

Portable oxygen concentrator with integrated manifold

#47
20140216461
2014-08-07

Oxygen concentrator with dynamic noise control

#48
20140216262
2014-08-07

Reciprocating pump and oxygen concentrator

#49
20140144397
2014-05-29

Engine reformer systems for lower cost, smaller scale manufacturing of liquid fuels

#50
20130333563
2013-12-19

Method and arrangement for generating oxygen

#51
20130247886
2013-09-26

Apparatus and method for oxy-combustion of fuels in internal combustion engines

#52
20130233168
2013-09-12

System and method for concentrating gas

#53
20130213234
2013-08-22

Oxygen concentrator system

#54
20130206004
2013-08-15

Method and device for vacuum pressure swing adsorption with temporary storage

#55
20120292178
2012-11-22

Dual element pressure swing adsorption air purification system and method

#56
20120266883
2012-10-25

Gas concentrator with removable cartridge adsorbent beds

#57
20120103186
2012-05-03

Method For Adjusting The Purity Of Oxygen Generated By An Adsorption Unit By Controlling The Flow Rate

#58
20120055478
2012-03-08

POSITIVE PRESSURE THERAPY SYSTEMS AND METHODS

#59
20120055477
2012-03-08

OXYGEN CONCENTRATOR APPARATUS CONFIGURED FOR HIGH ALTITUDE USE

#60
20120055475
2012-03-08

OXYGEN CONCENTRATOR SYSTEM AND METHODS FOR ORAL DELIVERY OF OXYGEN ENRICHED GAS

#61
20120055474
2012-03-08

METHODS AND SYSTEMS FOR PROVIDING OXYGEN ENRICHED GAS

#62
20120055340
2012-03-08

Power management systems and methods for use in an oxygen concentrator

#63
20120000462
2012-01-05

Portable Oxygen Delivery Device

#64
20110283617
2011-11-24

Natural gas production utilizing a gas dynamic laser, with cogeneration of electrical power

#65
20110278862
2011-11-17

Natural gas production method utilizing a gas dynamic laser, with cogeneration of electrical power

#66
20110247622
2011-10-13

Portable oxygen delivery device

#67
20110247621
2011-10-13

Portable oxygen delivery device

#68
20110247620
2011-10-13

Portable oxygen delivery device

#69
20110243828
2011-10-06

Production of ammonia from air and water

#70
20110239698
2011-10-06

Liquid oxygen production device and method

#71
20110214453
2011-09-08

PROCESS AND DEVICE FOR CRYOGENIC AIR FRACTIONATION

#72
20110175032
2011-07-21

Method and plant for the production of synthesis gas from biogas

#73
20110100055
2011-05-05

Hybrid Air Separation Method with Noncryogenic Preliminary Enrichment and Cryogenic Purification Based on a Single Component Gas or Liquid Generator

#74
20100256246
2010-10-07

SYSTEM AND METHOD FOR CONDITIONING BIOMASS-DERIVED SYNTHESIS GAS

#75
20100242734
2010-09-30

Oxygen concentrator

#76
20100139485
2010-06-10

GAS RECOVERY PROCESS

#77
20100136443
2010-06-03

Volatile organic compound abatement with fuel cell power plant

#78
20100077920
2010-04-01

Multi-port indexing drum valve for VPSA

#79
20100064573
2010-03-18

METHOD FOR PRODUCING A LIQUID BIOFUEL OR AT LEAST ONE OF ITS PRIMARY COMPONENTS

#80
20090293359
2009-12-03

Process for upgrading a carbonaceous material using microchannel process technology

#81
20090286890
2009-11-19

Method for recovering a natural gas contaminated with high levels of CO

#82
20090283064
2009-11-19

System and method for the production of natural gas utilizing a laser

#83
20090277333
2009-11-12

Oxygen concentrating device

#84
20090255403
2009-10-15

Oxygen concentrator

#85
20090255182
2009-10-15

Gasification process and producer gas

#86
20090214393
2009-08-27

Method of generating an oxygen-enriched gas for a user

#87
20090211443
2009-08-27

Self-serviceable filter for an oxygen generating device

#88
20090194996
2009-08-06

Water combustion technology - methods, processes, systems and apparatus for the combustion of Hydrogen and Oxygen

#89
20090193781
2009-08-06

Water combustion technology- methods, processes, systems and apparatus for the combustion of hydrogen and oxygen

#90
20090167698
2009-07-02

User interface for a portable oxygen concentrator

#91
20090151561
2009-06-18

Two stage pressure swing adsorption process for producing enriched-oxygen

#92
20090107332
2009-04-30

Rotary valve

#93
20090101498
2009-04-23

Glucose sensors and methods of manufacture thereof

#94
20090071333
2009-03-19

Performance Stability in Shallow Beds in Pressure Swing Adsorption Systems

#95
20090071330
2009-03-19

Method and system of operating a trans-fill device

#96
20080305369
2008-12-11

Fuel Cell Operating Method and Apparatus For the Same

#97
20080282880
2008-11-20

Portable oxygen concentrator

#98
20080092740
2008-04-24

Installation for Producing Oxygen of High Purity

#99
20080083332
2008-04-10

Performance stability in shallow beds in pressure swing adsorption systems

#100
20080083331
2008-04-10

Performance stability in rapid cycle pressure swing adsorption systems

#101
20080066616
2008-03-20

Apparatus and method of providing concentrated product gas

#102
20080014129
2008-01-17

Natural gas production utilizing a gas dynamic laser, with cogeneration of electrical power

#103
20070283807
2007-12-13

Pressure swing adsorption process with improved recovery of high-purity product

#104
20070227360
2007-10-04

Portable oxygen concentrator

#105
20070227354
2007-10-04

Oxygen production process using three-stage pressure swing adsorption plants

#106
20070214960
2007-09-20

Method and system of operating a trans-fill device

#107
20070163441
2007-07-19

Oxygen concentrating apparatus

#108
20060257708
2006-11-16

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

#109
20060243133
2006-11-02

Method for operating gas generators in tandem

#110
20060230931
2006-10-19

Portable oxygen concentrator

#111
20060162565
2006-07-27

Apparatus for producing oxygen and method for controlling the same

#112
20060144240
2006-07-06

Gas concentrator

#113
20060123988
2006-06-15

Method for producing a useful compound and treating a wastewater using pure oxygen

#114
20060117950
2006-06-08

Method for supplying passengers of an aircraft with an oxygen-rich gas mixture

#115
20060000223
2006-01-05

Desiccant cartridge

#116
20050268554
2005-12-08

Compact production of reformate and segregated H, Nand CO

#117
20050223891
2005-10-13

Oxy-fuel combustion process

#118
20050204923
2005-09-22

Oxygen concentration apparatus

#119
20050198958
2005-09-15

Water combustion technology—methods, processes, systems and apparatus for the combustion of hydrogen and oxygen

#120
20050183572
2005-08-25

Life support oxygen concentrator

#121
20050061148
2005-03-24

Process and device in connection with the production of oxygen or oxygen enriched air