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CPC
F25J3/04103
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Parent Industries
F
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
Current Industry
F25J3/04103
using solely hydrostatic liquid head
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Patents Grants
last 30 patents
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
Method ad apparatus for argon recovery in a cryogenic air separatio...
Patent number
10,145,609
Issue date
Dec 4, 2018
Praxair Technology, Inc.
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for argon rejection and recovery
Patent number
10,066,871
Issue date
Sep 4, 2018
Praxair Technology, Inc.
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for argon recovery in a cryogenic air separati...
Patent number
10,024,596
Issue date
Jul 17, 2018
Praxair Technology, Inc.
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for increasing argon recovery in a cryogenic a...
Patent number
10,018,413
Issue date
Jul 10, 2018
Praxair Technology, Inc.
Hai Du
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for argon recovery in a cryogenic air separati...
Patent number
10,012,437
Issue date
Jul 3, 2018
Praxair Technology, Inc.
Hai Du
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for argon recovery in a cryogenic air separati...
Patent number
10,012,438
Issue date
Jul 3, 2018
Praxair Technology, Inc.
Hai Du
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and apparatus for providing low pressure and low purity oxygen
Patent number
8,136,369
Issue date
Mar 20, 2012
L'Air Liquide Societe Anonyme pour L'Etude
Jean-Renaud Brugerolle
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus and process for producing gaseous oxygen under elevated p...
Patent number
6,662,594
Issue date
Dec 16, 2003
Linde Aktiengesellschaft
Augustin Rampp
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for the production of low pressure gaseous ox...
Patent number
6,539,748
Issue date
Apr 1, 2003
Air Products and Chemicals, Inc.
Alan Lindsay Prentice
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and plant for separating air by cryogenic distillation
Patent number
6,484,534
Issue date
Nov 26, 2002
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
Jean-Pierre Tranier
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation method to produce gaseous product
Patent number
6,357,259
Issue date
Mar 19, 2002
The BOC Group, Inc.
Paul Higginbotham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for the production of intermediate pressure oxygen
Patent number
6,253,576
Issue date
Jul 3, 2001
Air Products and Chemicals, Inc.
Donn Michael Herron
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for the production of oxygen and nitrogen
Patent number
6,227,005
Issue date
May 8, 2001
Air Products and Chemicals, Inc.
Paul Higginbotham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for producing compressed nitrogen
Patent number
6,196,023
Issue date
Mar 6, 2001
Linde Aktiengesellschaft
Horst Corduan
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system for producing oxygen product at a no...
Patent number
6,182,471
Issue date
Feb 6, 2001
Praxair Technology, Inc.
James Patrick Meagher
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation process
Patent number
6,038,885
Issue date
Mar 21, 2000
Linde Aktiengesellschaft
Horst Corduan
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Elevated pressure air separation process with use of waste expansio...
Patent number
6,009,723
Issue date
Jan 4, 2000
Air Products and Chemicals, Inc.
Zbigniew Tadeusz Fidkowski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method of and apparatus for air separation
Patent number
5,979,182
Issue date
Nov 9, 1999
Kabushiki Kaisha Kobe Seiko Sho
Masahiro Goto
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process and apparatus for the variable production of a gaseous pres...
Patent number
5,953,937
Issue date
Sep 21, 1999
Linde Aktiengesellschaft
Horst Corduan
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system for producing low purity oxygen and...
Patent number
5,916,262
Issue date
Jun 29, 1999
Praxair Technology, Inc.
Neil Mark Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and device for air separation by low-temperature rectification
Patent number
5,845,517
Issue date
Dec 8, 1998
Linde Aktiengesellschaft
Helmut Attlfellner
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system for producing high pressure oxygen
Patent number
5,829,271
Issue date
Nov 3, 1998
Praxair Technology, Inc.
Nancy Jean Lynch
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
High purity nitrogen generator unit and method
Patent number
5,806,340
Issue date
Sep 15, 1998
Teisan Kabushiki Kaisha
Shinji Tomita
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with split kettle liquid
Patent number
5,799,508
Issue date
Sep 1, 1998
Praxair Technology, Inc.
Dante Patrick Bonaquist
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for obtaining oxygen and nitrogen at superatmosph...
Patent number
5,749,246
Issue date
May 12, 1998
Linde Aktiengesellschaft
Dietrich Rottmann
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic hybrid system for producing high purity argon
Patent number
5,730,003
Issue date
Mar 24, 1998
Praxair Technology, Inc.
Tu Cam Nguyen
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and plant for the production of a gas under pressure by cry...
Patent number
5,685,173
Issue date
Nov 11, 1997
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Mike De L'Isle
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Three column cryogenic cycle for the production of impure oxygen an...
Patent number
5,682,764
Issue date
Nov 4, 1997
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification system with staged feed air condensation
Patent number
5,666,824
Issue date
Sep 16, 1997
Praxair Technology, Inc.
Dante Patrick Bonaquist
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
METHOD AD APPARATUS FOR ARGON RECOVERY IN A CRYOGENIC AIR SEPARATIO...
Publication number
20180292130
Publication date
Oct 11, 2018
Neil M. Prosser
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
APPARATUS AND METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION
Publication number
20130340476
Publication date
Dec 26, 2013
L'Air Liquide Societe Anonyme pour I'Etude et I'Exploitation des Procedes Geo...
Marie Cognard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION METHOD AND APPARATUS
Publication number
20130139546
Publication date
Jun 6, 2013
Henry Edward Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION METHOD AND APPARATUS
Publication number
20130139547
Publication date
Jun 6, 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
20110067445
Publication date
Mar 24, 2011
L'Air Liquide Societe Anonyme Pour L'Etude Et L'Ex
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR GENERATING A PRESSURIZED PRODUCT BY LOW-T...
Publication number
20080047298
Publication date
Feb 28, 2008
Horst Corduan
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR THE VARIABLE EXTRACTION OF A PRESSURIZED P...
Publication number
20080041713
Publication date
Feb 21, 2008
Linde Aktiengesellschaft
Ulrich EWERT
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
System and apparatus for providing low pressure and low purity oxygen
Publication number
20080011015
Publication date
Jan 17, 2008
Jean-Renaud Brugerolle
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for the cryogenic distillation of air
Publication number
20060075779
Publication date
Apr 13, 2006
Paul Higginbotham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process and system for obtaining a gaseous pressure product by the...
Publication number
20060037357
Publication date
Feb 23, 2006
Linde Aktiengesellschaft
Ulrich Ewert
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Apparatus and process for producing gaseous oxygen under elevated p...
Publication number
20030110796
Publication date
Jun 19, 2003
Linde Aktiengesellschaft
Augustin Rampp
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND PLANT FOR SEPARATING AIR BY CRYOGENIC DISTILLATION
Publication number
20020134105
Publication date
Sep 26, 2002
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Jean-Pierre Trainer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process and apparatus for the production of low pressure gaseous ox...
Publication number
20020100293
Publication date
Aug 1, 2002
Alan Lindsay Prentice
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...