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using quasi-closed loop internal vapor compression refrigeration cycles
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CPC
F25J3/04333
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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
F25J3/04333
using quasi-closed loop internal vapor compression refrigeration cycles
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Patents Grants
last 30 patents
Information
Patent Grant
Nitrogen production method and nitrogen production apparatus
Patent number
11,353,262
Issue date
Jun 7, 2022
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Kenji Hirose
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for producing high-pressure nitrogen
Patent number
8,991,209
Issue date
Mar 31, 2015
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Shinji Tomita
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
Method and device for cryogenic air separation
Patent number
6,418,753
Issue date
Jul 16, 2002
Linde Aktiengesellschaft
Jürgen Voit
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with split kettle recycle
Patent number
6,279,345
Issue date
Aug 28, 2001
Praxair Technology, Inc.
Bayram Arman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic rectification method for producing nitrogen gas and liqui...
Patent number
6,125,656
Issue date
Oct 3, 2000
Praxair Technology, Inc.
Bayram Arman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Apparatus and method for producing nitrogen
Patent number
5,934,106
Issue date
Aug 10, 1999
The BOC Group, Inc.
Kurt V. Mc Poland
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation in a double rectification column
Patent number
5,887,447
Issue date
Mar 30, 1999
The BOC Group plc
Paul Higginbotham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation method and apparatus for producing nitrogen
Patent number
5,868,006
Issue date
Feb 9, 1999
The BOC Group, Inc.
Vara P. Kandala
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
High efficiency nitrogen generator
Patent number
5,711,167
Issue date
Jan 27, 1998
Air Liquide Process and Construction
Bao Ha
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic hybrid system for producing low purity oxygen and high pu...
Patent number
5,666,828
Issue date
Sep 16, 1997
Praxair Technology, Inc.
Henry Edward Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nitrogen generation method and apparatus
Patent number
5,611,218
Issue date
Mar 18, 1997
The BOC Group, Inc.
Joseph P. Naumovitz
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for producing ultra-high purity oxygen
Patent number
5,528,906
Issue date
Jun 25, 1996
The BOC Group, Inc.
Joseph P. Naumovitz
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Distillation strategies for the production of carbon monoxide-free...
Patent number
5,351,492
Issue date
Oct 4, 1994
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Single column cryogenic rectification system for producing nitrogen...
Patent number
5,303,556
Issue date
Apr 19, 1994
Praxair Technology, Inc.
James R. Dray
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for producing nitrogen of ultra-high purity
Patent number
5,170,630
Issue date
Dec 15, 1992
The BOC Group, Inc.
Sidney S. Stern
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air separation process with waste recycle for nitrogen and oxygen p...
Patent number
4,869,742
Issue date
Sep 26, 1989
Air Products and Chemicals, Inc.
Robert M. Thorogood
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic process for nitrogen production with oxygen-enriched recycle
Patent number
4,867,773
Issue date
Sep 19, 1989
Air Products and Chemicals, Inc.
Robert M. Thorogood
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for producing ultra high purity oxygen
Patent number
4,615,716
Issue date
Oct 7, 1986
Air Products and Chemicals, Inc.
Thomas E. Cormier
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
2608070
Patent number
2,608,070
Issue date
Aug 26, 1952
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR EFFICIENT COLD RECOVERY IN O2-H2 COMBUSTION TURBINE POWE...
Publication number
20220205714
Publication date
Jun 30, 2022
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Michael A. TURNEY
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process And Installation For Producing High-Pressure Nitrogen
Publication number
20120144861
Publication date
Jun 14, 2012
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Shinji Tomita
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...