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in a double column flowsheet with an intermediate pressure column
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F25J3/04448
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Parent Industries
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MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F25
Refrigeration
F25J
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
F25J3/00
Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
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F25J3/04448
in a double column flowsheet with an intermediate pressure column
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Patents Grants
last 30 patents
Information
Patent Grant
Air separation device and air separation method
Patent number
12,123,647
Issue date
Oct 22, 2024
Taiyo Nippon Sanso Corporation
Hiroshi Tachibana
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation unit and method for production of nitrogen and argon...
Patent number
12,055,345
Issue date
Aug 6, 2024
Praxair Technology, Inc.
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for producing high-purity nitrogen and low-pur...
Patent number
11,988,446
Issue date
May 21, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Alain Briglia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for enhanced recovery of argon and oxygen from a...
Patent number
10,663,224
Issue date
May 26, 2020
Praxair Technology, Inc.
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for separating air by cryogenic distillation
Patent number
10,605,523
Issue date
Mar 31, 2020
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for producing compressed nitrogen and liquid n...
Patent number
10,488,106
Issue date
Nov 26, 2019
Linde Aktiengesellschaft
Dimitri Golubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for the cryogenic decomposition of air
Patent number
10,443,931
Issue date
Oct 15, 2019
Linde Aktiengesellschaft
Georg Demski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation method and air separation apparatus
Patent number
10,436,508
Issue date
Oct 8, 2019
Taiyo Nippon Sanso Corporation
Hiroshi Tachibana
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Plant for producing oxygen by cryogenic air separation
Patent number
10,401,083
Issue date
Sep 3, 2019
Linde Aktiengesellschaft
Stefan Lochner
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for separating air by cryogenic distillation
Patent number
10,295,253
Issue date
May 21, 2019
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for generating two purified partial air streams
Patent number
10,222,120
Issue date
Mar 5, 2019
Linde Aktiengesellschaft
Alexander Alekseev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Apparatus for the production of low pressure gaseous oxygen
Patent number
10,101,084
Issue date
Oct 16, 2018
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Paul Musicus
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for the production of low pressure gaseous oxygen
Patent number
10,018,414
Issue date
Jul 10, 2018
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Paul Musicus
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for generation of oxygen by low-temperature air s...
Patent number
9,964,353
Issue date
May 8, 2018
Linde Aktiengesellschaft
Tobias Lautenschlager
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for obtaining compressed oxygen and compressed ni...
Patent number
9,733,014
Issue date
Aug 15, 2017
Linde Aktiengesellschaft
Dirk Schwenk
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for the separation of air by cryogenic distil...
Patent number
9,360,250
Issue date
Jun 7, 2016
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Bao Ha
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for separating air by cryogenic distillation
Patent number
9,091,478
Issue date
Jul 28, 2015
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Frederic Judas
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Rare gases recovery process for triple column oxygen plant
Patent number
8,978,413
Issue date
Mar 17, 2015
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Bao Ha
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Krypton and xenon recovery method
Patent number
8,443,625
Issue date
May 21, 2013
Praxair Technology, Inc.
Neil Mark Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Thermal integration of oxygen plants
Patent number
8,065,879
Issue date
Nov 29, 2011
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Jean-Renaud Brugerolle
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Cryogenic air separation process with excess turbine refrigeration
Patent number
7,665,329
Issue date
Feb 23, 2010
Praxair Technology, Inc.
Peter James Rankin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for the separation of air by cryogenic distil...
Patent number
7,546,748
Issue date
Jun 16, 2009
Air Liquide Process and Construction, Inc.
Frederic Judas
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic process system with extended bonnet filter
Patent number
7,472,551
Issue date
Jan 6, 2009
Praxair Technology, Inc.
Douglas Henry May
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for the cryogenic separation of air
Patent number
6,651,460
Issue date
Nov 25, 2003
Air Products and Chemicals, Inc.
Declan P. O'Connor
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Three-column system for the low-temperature fractionation of air
Patent number
6,564,581
Issue date
May 20, 2003
Linde Aktiengesellschaft
Gerhard Pompl
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for plant and separating air by cryogenic distillation
Patent number
6,536,232
Issue date
Mar 25, 2003
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Three column cryogenic air separation system with dual pressure air...
Patent number
6,536,234
Issue date
Mar 25, 2003
Praxair Technology, Inc.
Minish Mahendra Shah
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Obtaining argon using a three-column system for the fractionation o...
Patent number
6,530,242
Issue date
Mar 11, 2003
Linde Aktiengesellschaft
Gerhard Pompl
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and unit for the production of a fluid enriched in oxygen b...
Patent number
6,434,973
Issue date
Aug 20, 2002
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation process
Patent number
6,397,631
Issue date
Jun 4, 2002
Air Products and Chemicals, Inc.
John Louis Griffiths
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
AIR SEPARATION UNIT AND METHOD FOR PRODUCTION OF NITROGEN AND ARGON...
Publication number
20240035744
Publication date
Feb 1, 2024
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION DEVICE AND AIR SEPARATION METHOD
Publication number
20220252344
Publication date
Aug 11, 2022
Taiyo Nippon Sanso Corporation
Hiroshi TACHIBANA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A...
Publication number
20200149806
Publication date
May 14, 2020
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A...
Publication number
20190331416
Publication date
Oct 31, 2019
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR PRODUCING AT LEAST ONE AIR PRODUCT, AIR SEPARATION SYSTE...
Publication number
20160370111
Publication date
Dec 22, 2016
Alexander Alekseev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION
Publication number
20160298900
Publication date
Oct 13, 2016
L'Air Liquide, Societe Anonyme pour l'Etude et l'E tude l'Exploition des Proc...
Benoit DAVIDIAN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION METHOD AND AIR SEPARATION APPARATUS
Publication number
20160003537
Publication date
Jan 7, 2016
Taiyo Nippon Sanso Corporation
Hiroshi TACHIBANA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process And Apparatus For The Separation Of Air By Cryogenic Distil...
Publication number
20140318179
Publication date
Oct 30, 2014
Bao Ha
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND DEVICE FOR THE CRYOGENIC DECOMPOSITION OF AIR
Publication number
20140223959
Publication date
Aug 14, 2014
Linde Aktiengesellschaft
Georg Demski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND DEVICE FOR GENERATING TWO PURIFIED PARTIAL AIR STREAMS
Publication number
20140223960
Publication date
Aug 14, 2014
Linde Aktiengesellschaft
Alexander Alekseev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION METHOD AND APPARATUS
Publication number
20140109614
Publication date
Apr 24, 2014
Taiyo Nippon Sanso Corporation
Hiroshi Tachibana
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR THE SEPARATION OF AIR BY CRYOGENIC DISTIL...
Publication number
20130219959
Publication date
Aug 29, 2013
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Bao Ha
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Method and device for obtaining compressed oxygen and compressed ni...
Publication number
20130205831
Publication date
Aug 15, 2013
Linde Aktiengesellschaft
Dirk Schwenk
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Purification of Carbon Dioxide
Publication number
20130111948
Publication date
May 9, 2013
Air Products and Chemicals, Inc.
Paul Higginbotham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
AIR SEPARATION METHOD AND APPARATUS
Publication number
20130019634
Publication date
Jan 24, 2013
Henry Edward Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION
Publication number
20120118006
Publication date
May 17, 2012
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Frederic Judas
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Rare Gases Recovery Process For Triple Column Oxygen Plant
Publication number
20110302956
Publication date
Dec 15, 2011
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Bao Ha
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SEPARATION METHOD AND APPARATUS
Publication number
20110138856
Publication date
Jun 16, 2011
Henry Edward Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
KRYPTON AND XENON RECOVERY METHOD
Publication number
20100037656
Publication date
Feb 18, 2010
Neil Mark Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
THERMAL INTEGRATION OF OXYGEN PLANTS
Publication number
20090178408
Publication date
Jul 16, 2009
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Jean-Renaud Brugerolle
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC AIR SEPARATION PROCESS WITH EXCESS TURBINE REFRIGERATION
Publication number
20090071191
Publication date
Mar 19, 2009
Peter James Rankin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process and Apparatus for the Separation of Air by Cryogenic Distil...
Publication number
20080245102
Publication date
Oct 9, 2008
Frederic Judas
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Cryogenic process system with extended bonnet filter
Publication number
20080110203
Publication date
May 15, 2008
Douglas Henry May
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Cryogenic air separation process with excess turbine refrigeration
Publication number
20070095100
Publication date
May 3, 2007
Peter James Rankin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process and apparatus for the separation of air by cryogenic distil...
Publication number
20060169000
Publication date
Aug 3, 2006
Frederic Judas
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process and apparatus for the cryogenic separation of air
Publication number
20030101745
Publication date
Jun 5, 2003
Declan P. O'Connor
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Three-column system for the low-temperature fractionation of air
Publication number
20020189281
Publication date
Dec 19, 2002
Linde Aktiengesellschaft
Gerhard Pompl
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Obtaining argon using a three-column system for the fractionation o...
Publication number
20020178747
Publication date
Dec 5, 2002
Linde Aktiengesellschaft
Gerhard Pompl
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Three-column system for the low-temperature fractionation of air
Publication number
20020121106
Publication date
Sep 5, 2002
Linde Aktiengesellschaft
Dietrich Rottmann
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Method for plant and separating air by cryogenic distillation
Publication number
20020053219
Publication date
May 9, 2002
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...