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B01D2259/40032
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Patents Grants
last 30 patents
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Patent Grant
Pressure swing adsorption process for producing hydrogen and carbon...
Patent number
12,312,242
Issue date
May 27, 2025
Casale SA
Anne Streb
C01 - INORGANIC CHEMISTRY
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
Remote monitoring of pressure swing adsorption units
Patent number
10,994,240
Issue date
May 4, 2021
UOP LLC
Chad E. Bjorklund
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for processing a gas mixture
Patent number
10,696,549
Issue date
Jun 30, 2020
Shell Oil Company
Sivakumar Sadasivan Vijayakumari
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pressure swing adsorption system with indexed rotatable multi-port...
Patent number
9,101,872
Issue date
Aug 11, 2015
Air Products and Chemicals, Inc.
David Lester Rarig
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pressure swing adsorption process
Patent number
8,778,051
Issue date
Jul 15, 2014
Air Products and Chemicals, Inc.
Edward Landis Weist
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Pressure swing adsorption system with indexed rotatable multi-port...
Patent number
8,603,220
Issue date
Dec 10, 2013
Air Products and Chemicals, Inc.
David Lester Rarig
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Two stage pressure swing adsorption process for producing enriched-...
Patent number
8,128,734
Issue date
Mar 6, 2012
Chengdu Tianli Chemical Engineering Technology Co., Ltd.
Yuwen Song
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Pressure swing adsorption system with indexed rotatable multi-port...
Patent number
7,854,793
Issue date
Dec 21, 2010
David Lester Rarig
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Process and apparatus for carbon dioxide recovery
Patent number
7,740,688
Issue date
Jun 22, 2010
Praxair Technology, Inc.
Ravi Kumar
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
Oxygen production process using three-stage pressure swing adsorpti...
Patent number
7,645,325
Issue date
Jan 12, 2010
Chendgu Tianli Chemical Engineering Technology Co., Ltd.
Yuwen Song
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Weight-optimized portable oxygen concentrator
Patent number
7,473,299
Issue date
Jan 6, 2009
Air Products and Chemicals, Inc.
James Michael Occhialini
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Gas purification process
Patent number
7,399,341
Issue date
Jul 15, 2008
UOP LLC
Kirit M. Patel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Weight-optimized portable oxygen concentrator
Patent number
7,279,029
Issue date
Oct 9, 2007
Air Products and Chemicals, Inc.
James Michael Occhialini
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Indexing rotary dual valve for pressure swing adsorption systems
Patent number
7,276,107
Issue date
Oct 2, 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
Method for controlling a unit for the treatment by pressure swing a...
Patent number
7,025,801
Issue date
Apr 11, 2006
L'Air Liquide, Société Anonyme àl Directoire et Conseil de Surveillance pour...
Christian Monereau
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
Methods and apparatuses for gas separation by pressure swing adsorp...
Patent number
6,866,950
Issue date
Mar 15, 2005
QuestAir Technologies Inc.
Denis J. Connor
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Pressure swing adsorption process with controlled internal depressu...
Patent number
6,709,486
Issue date
Mar 23, 2004
Air Products and Chemicals, Inc.
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pressure swing adsorption process with reduced pressure equalizatio...
Patent number
6,565,628
Issue date
May 20, 2003
Air Products and Chemicals, Inc.
Jianguo Xu
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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 co-producing nitrogen and oxygen
Patent number
6,527,830
Issue date
Mar 4, 2003
Praxair Technology, Inc.
Bernard T. Neu
C01 - INORGANIC CHEMISTRY
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
Single bed pressure swing adsorption process
Patent number
6,425,938
Issue date
Jul 30, 2002
Air Products and Chemicals, Inc.
Jianguo Xu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the purification of a gas by adsorption
Patent number
6,315,818
Issue date
Nov 13, 2001
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Christian Monereau
C01 - INORGANIC CHEMISTRY
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
Information
Patent Grant
Process for the separation/recovery of gases
Patent number
6,179,900
Issue date
Jan 30, 2001
GKSS Forschungszentrum Geesthacht GmbH
Rolf-Dieter Behling
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND SYSTEM FOR UPGRADING BIOGAS USING PSA
Publication number
20250128201
Publication date
Apr 24, 2025
Iogen Corporation
Brian Foody
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR REGULATING A UNIT FOR SEPARATING A GAS STREAM
Publication number
20230158444
Publication date
May 25, 2023
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Maxime PEREZ
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
A PRESSURE SWING ADSORPTION PROCESS FOR PRODUCING HYDROGEN AND CARB...
Publication number
20220185666
Publication date
Jun 16, 2022
Casale SA
Anne Streb
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Remote Monitoring of Pressure Swing Adsorption Units
Publication number
20190083920
Publication date
Mar 21, 2019
UOP LLC
Chad E. Bjorklund
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PROCESSING A GAS MIXTURE
Publication number
20170107102
Publication date
Apr 20, 2017
Shell Oil Company
Sivakumar SADASIVAN VIJAYAKUMARI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Pressure Swing Adsorption System with Indexed Rotatable Multi-Port...
Publication number
20130299023
Publication date
Nov 14, 2013
David Lester Rarig
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Pressure Swing Adsorption Process
Publication number
20130239807
Publication date
Sep 19, 2013
Air Products and Chemicals, Inc.
Edward Landis Weist
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Pressure Swing Adsorption System with Indexed Rotatable Multi-Port...
Publication number
20110023712
Publication date
Feb 3, 2011
Air Products and Chemicals, Inc.
David Lester Rarig
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TWO STAGE PRESSURE SWING ADSORPTION PROCESS FOR PRODUCING ENRICHED-...
Publication number
20090151561
Publication date
Jun 18, 2009
Yuwen Song
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Portable Oxygen Concentrator System and Method Including Concentrat...
Publication number
20090107500
Publication date
Apr 30, 2009
Sequal Technologies, Inc.
Paul Laroy Edwards
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Process and apparatus for carbon dioxide recovery
Publication number
20080072752
Publication date
Mar 27, 2008
Ravi Kumar
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Pressure Swing Adsorption System With Indexed Rotatable Multi-Port...
Publication number
20080000353
Publication date
Jan 3, 2008
Air Products and Chemicals, Inc.
David Lester Rarig
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Weight-Optimized Portable Oxygen Concentrator
Publication number
20070289446
Publication date
Dec 20, 2007
Air Products and Chemicals, Inc.
James Michael Occhialini
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 Production Process Using Three-Stage Pressure Swing Adsorpti...
Publication number
20070227354
Publication date
Oct 4, 2007
Yuwen Song
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Gas purification process
Publication number
20060236861
Publication date
Oct 26, 2006
Kirit M. Patel
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
Method of separating target gas
Publication number
20050268780
Publication date
Dec 8, 2005
SUMITOMO SEIKA CHEMICALS CO., LTD.
Toshihiko Sumida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Weight-optimized portable oxygen concentrator
Publication number
20050257686
Publication date
Nov 24, 2005
James Michael Occhialini
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Indexing rotary dual valve for pressure swing adsorption systems
Publication number
20050132881
Publication date
Jun 23, 2005
Mohamed Safdar Allie Baksh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for controlling a unit for the treatment by pressure swing a...
Publication number
20040055462
Publication date
Mar 25, 2004
Christian Monereau
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
Pressure swing adsorption process with controlled internal depressu...
Publication number
20030188634
Publication date
Oct 9, 2003
Sang Kook Lee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Pressure swing adsorption process with reduced pressure equalizatio...
Publication number
20030015091
Publication date
Jan 23, 2003
Jianguo Xu
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Methods and apparatuses for gas separation by pressure swing adsorp...
Publication number
20020127442
Publication date
Sep 12, 2002
Denis J. Connor
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