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B01D2259/40037
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing oxygen via O2 VSA, minimizing valve openings a...
Patent number
11,819,796
Issue date
Nov 21, 2023
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Guillaume Rodrigues
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pressure swing adsorption process and pressure swing adsorption app...
Patent number
10,933,366
Issue date
Mar 2, 2021
Korea Institute of Energy Research
Jong-ho Park
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Mid-range purity oxygen by adsorption
Patent number
10,799,827
Issue date
Oct 13, 2020
Praxair Technology, Inc.
Nicholas R. Stuckert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Nitrogen-enriched gas manufacturing method, gas separation method a...
Patent number
9,403,118
Issue date
Aug 2, 2016
Taiyo Nippon Sanso Corporation
Hidehisa Sakamoto
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of enriching combustible gas
Patent number
8,974,575
Issue date
Mar 10, 2015
Osaka Gas Co., Ltd.
Takahisa Utaki
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Purifying carbon dioxide and producing acid
Patent number
7,927,572
Issue date
Apr 19, 2011
Praxair Technology, Inc.
Nick Joseph Degenstein
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Multi-stage process for purifying carbon dioxide and producing acid
Patent number
7,927,573
Issue date
Apr 19, 2011
Praxair Technology, Inc.
Nick Joseph Degenstein
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of determining the purity of oxygen present in an oxygen-enr...
Patent number
7,722,698
Issue date
May 25, 2010
Delphi Technologies, Inc.
Loren M. Thompson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus and method of providing concentrated product gas
Patent number
7,722,700
Issue date
May 25, 2010
Invacare Corporation
Thomas Sprinkle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Adsorption process to recover hydrogen from feed gas mixtures havin...
Patent number
7,695,545
Issue date
Apr 13, 2010
Air Products and Chemicals, Inc.
Timothy Christopher Golden
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Pressure swing adsorption process with improved recovery of high-pu...
Patent number
7,651,549
Issue date
Jan 26, 2010
Air Products and Chemicals, Inc.
Roger Dean Whitley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and adsorbent for hydrogen purification
Patent number
7,537,742
Issue date
May 26, 2009
Praxair Technology, Inc.
Mohamed Safdar Allie Baksh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Fuel gas manufacturing apparatus
Patent number
7,427,304
Issue date
Sep 23, 2008
Honda Motor Co., Ltd.
Hikaru Okada
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fuel gas production apparatus and method of starting operation of f...
Patent number
7,416,569
Issue date
Aug 26, 2008
Honda Motor Co., Ltd.
Hideaki Sumi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of shutting off fuel gas manufacturing apparatus
Patent number
7,326,276
Issue date
Feb 5, 2008
Honda Motor Co., Ltd.
Hideaki Sumi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Gas separating method
Patent number
7,300,497
Issue date
Nov 27, 2007
Taiyo Nippon Sanso Corporation
Tatsushi Urakami
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Helium recovery
Patent number
7,294,172
Issue date
Nov 13, 2007
Praxair Technology, Inc.
Mohamed Safdar Allie Baksh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for treating at least one feed gas mixture by pressure swing...
Patent number
7,255,727
Issue date
Aug 14, 2007
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
Christian Monereau
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Continuous feed three-bed pressure swing adsorption system
Patent number
7,179,324
Issue date
Feb 20, 2007
Praxair Technology, Inc.
Mohamed Safdar Allie Baksh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Low void adsorption systems and uses thereof
Patent number
7,122,073
Issue date
Oct 17, 2006
Praxair Technology, Inc.
Frank Notaro
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for separating hydrogen gas
Patent number
6,913,638
Issue date
Jul 5, 2005
Sumitomo Seika Chemicals Co., Ltd.
Toshihiko Sumida
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for producing nitrogen
Patent number
6,767,386
Issue date
Jul 27, 2004
Nippon Sanso Corporation
Masato Kawai
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Layered manifold pressure swing adsorption device and method
Patent number
6,565,635
Issue date
May 20, 2003
QuestAir Technologies, Inc.
Bowie G. Keefer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Pressure swing adsorption process for the production of hydrogen
Patent number
6,503,299
Issue date
Jan 7, 2003
Praxair Technology, Inc.
Mohamed Safdar Allie Baksh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Air flow control in a gas fractionalization system and associated m...
Patent number
6,497,755
Issue date
Dec 24, 2002
Respironics, Inc.
Robert W. Murdoch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pressure swing adsorption process which provides product gas at dec...
Patent number
6,428,607
Issue date
Aug 6, 2002
Air Products and Chemicals, Inc.
Jianguo Xu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Air flow control in a gas fractionalization system and associated m...
Patent number
6,395,065
Issue date
May 28, 2002
Respironics, Inc.
Robert W. Murdoch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Selective adsorption of components of a gas mixture
Patent number
6,344,070
Issue date
Feb 5, 2002
Domnick Hunter Ltd
Robert Banks
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for use in pressure and temperature swing adsorption proc...
Patent number
6,293,998
Issue date
Sep 25, 2001
UOP LLC
William B. Dolan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process from separation of a gas mixture by pressure swing adsorpti...
Patent number
6,224,651
Issue date
May 1, 2001
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Christian Monereau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING OXYGEN VIA O2 VSA, MINIMIZING VALVE OPENINGS A...
Publication number
20210039039
Publication date
Feb 11, 2021
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Guillaume RODRIGUES
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PRESSURE SWING ADSORPTION PROCESS AND PRESSURE SWING ADSORPTION APP...
Publication number
20190151790
Publication date
May 23, 2019
Korea Institute Of Energy Research
Jong-ho PARK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NITROGEN-ENRICHED GAS MANUFACTURING METHOD, GAS SEPARATION METHOD A...
Publication number
20150007724
Publication date
Jan 8, 2015
Taiyo Nippon Sanso Corporation
Hidehisa Sakamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of Enriching Combustible Gas
Publication number
20130125466
Publication date
May 23, 2013
OSAKA GAS CO., LTD.
Takahisa Utaki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MULTI-STAGE PROCESS FOR PURIFYING CARBON DIOXIDE AND PRODUCING ACID
Publication number
20100080745
Publication date
Apr 1, 2010
Nick Joseph Degenstein
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PURIFYING CARBON DIOXIDE AND PRODUCING ACID
Publication number
20100080747
Publication date
Apr 1, 2010
Nick Joseph Degenstein
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Method of determining the purity of oxygen present in an oxygen-enr...
Publication number
20090211438
Publication date
Aug 27, 2009
Loren M. Thompson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
System and Method for Controlling Supply of Oxygen Based on Breathi...
Publication number
20090145428
Publication date
Jun 11, 2009
Sequal Technologies, Inc.
Brian K. Sward
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Adsorption Process To Recover Hydrogen From Feed Gas Mixtures Havin...
Publication number
20080223213
Publication date
Sep 18, 2008
Air Products and Chemicals, Inc.
Timothy Christopher Golden
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Apparatus and method of providing concentrated product gas
Publication number
20080066616
Publication date
Mar 20, 2008
Thomas Sprinkle
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Pressure swing adsorption process with improved recovery of high-pu...
Publication number
20070283807
Publication date
Dec 13, 2007
Roger Dean Whitley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Oxygen concentrating apparatus and rotary valve
Publication number
20060283325
Publication date
Dec 21, 2006
Masato Sugano
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and apparatus for hydrogen purification
Publication number
20060254425
Publication date
Nov 16, 2006
Mohamed Safdar Allie Baksh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for producing a useful compound and treating a wastewater us...
Publication number
20060123988
Publication date
Jun 15, 2006
Ho Nam Chang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fuel gas production apparatus and method of starting operation of f...
Publication number
20060088468
Publication date
Apr 27, 2006
Honda Motor Co., Ltd.
Hideaki Sumi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Continuous feed three-bed pressure swing adsorption system
Publication number
20050257685
Publication date
Nov 24, 2005
Mohamed Safdar Allie Baksh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for treating at least one feed gas mixture by pressure swing...
Publication number
20050229782
Publication date
Oct 20, 2005
Christian Monereau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Gas separating method
Publication number
20050199122
Publication date
Sep 15, 2005
NIPPON SANSO CORPORATION
Tatsushi Urakami
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fuel gas manufacturing apparatus
Publication number
20050178062
Publication date
Aug 18, 2005
Honda Motor Co., Ltd.
Hikaru Okada
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of shutting off fuel gas manufacturing apparatus
Publication number
20050172804
Publication date
Aug 11, 2005
Honda Motor Co., Ltd.
Hideaki Sumi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Helium recovery
Publication number
20040237789
Publication date
Dec 2, 2004
Mohamed Safdar Allie Baksh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for separating hydrogen gas
Publication number
20040025692
Publication date
Feb 12, 2004
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and apparatus for producing nitrogen
Publication number
20030097931
Publication date
May 29, 2003
Masato Kawai
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Air flow control in a gas fractionalization system and associated m...
Publication number
20020170428
Publication date
Nov 21, 2002
Robert W. Murdoch
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Multi-bed adsorption process for air purification
Publication number
20020139246
Publication date
Oct 3, 2002
Ravi Kumar
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Layered manifold pressure swing adsorption device and method
Publication number
20020066367
Publication date
Jun 6, 2002
Bowie G. Keefer
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PRESSURE SWING ADSORPTION PROCESS FOR THE PRODUCTION OF HYDROGEN
Publication number
20020014153
Publication date
Feb 7, 2002
MOHAMED SAFDAR ALLIE BAKSH
C01 - INORGANIC CHEMISTRY