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One fluid being oxygen enriched compared to air

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  • CPC
  • F25J2250/52
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE F25J2250/00Details related to the use of reboiler-condensers

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F25J2250/52One fluid being oxygen enriched compared to air
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Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for flexible recovery of argon from a cryogenic a...
    • Patent number 11,262,125
    • Issue date Mar 1, 2022
    • Praxair Technology, Inc.
    • Neil M. Prosser
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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

    Air separation method
    • Patent number 10,048,002
    • Issue date Aug 14, 2018
    • Praxair Technology, Inc.
    • Henry Edward Howard
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation apparatus
    • Patent number 9,441,878
    • Issue date Sep 13, 2016
    • Praxair Technology, Inc.
    • Henry Edward Howard
    • 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

    Air separation method and apparatus
    • Patent number 9,279,613
    • Issue date Mar 8, 2016
    • Praxair Technology, Inc.
    • Henry Edward Howard
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Nitrogen generation process
    • Patent number 6,637,240
    • Issue date Oct 28, 2003
    • Air Products and Chemicals, Inc.
    • John Louis Griffiths
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Nitrogen generation process
    • Patent number 6,487,877
    • Issue date Dec 3, 2002
    • Air Products and Chemicals, Inc.
    • John Louis Griffiths
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Apparatus and process for separating air by cryogenic distillation
    • Patent number 6,339,938
    • Issue date Jan 22, 2002
    • L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
    • Francois De Bussy
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and apparatus for producing nitrogen from air by cryogenic d...
    • Patent number 6,330,812
    • Issue date Dec 18, 2001
    • Robert Anthony Mostello
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cryogenic rectification system with pulse tube refrigeration
    • Patent number 6,269,658
    • Issue date Aug 7, 2001
    • Praxair Technology, Inc.
    • John Henri Royal
    • 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

    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

    Separation of air
    • Patent number 6,082,137
    • Issue date Jul 4, 2000
    • The BOC Group plc
    • Paul Higginbotham
    • 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

    Efficient process to produce oxygen
    • Patent number 5,966,967
    • Issue date Oct 19, 1999
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation with intermediate pressure vaporization and expansion
    • Patent number 5,956,973
    • Issue date Sep 28, 1999
    • Air Products and Chemicals, Inc.
    • Donn Michael Herron
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multiple expander process to produce oxygen
    • Patent number 5,956,974
    • Issue date Sep 28, 1999
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat exchange method and apparatus
    • Patent number 5,924,308
    • Issue date Jul 20, 1999
    • The BOC Group plc
    • Thomas Rathbone
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation process using warm and cold expanders
    • Patent number 5,907,959
    • Issue date Jun 1, 1999
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Single expander and a cold compressor process to produce oxygen
    • Patent number 5,901,576
    • Issue date May 11, 1999
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,893,276
    • Issue date Apr 13, 1999
    • The BOC Group plc
    • Paul Higginbotham
    • 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

    Ultra high purity nitrogen and oxygen generator unit
    • Patent number 5,778,698
    • Issue date Jul 14, 1998
    • Teisan Kabushiki Kaisha
    • Takao Yamamoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,715,706
    • Issue date Feb 10, 1998
    • The BOC Group plc
    • Thomas Rathbone
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,644,933
    • Issue date Jul 8, 1997
    • The BOC Group plc
    • Thomas Rathbone
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,546,766
    • Issue date Aug 20, 1996
    • The BOC Group plc
    • Paul Higginbotham
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,438,835
    • Issue date Aug 8, 1995
    • The BOC Group plc
    • Thomas Rathbone
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,361,590
    • Issue date Nov 8, 1994
    • The BOC Group plc
    • Thomas Rathbone
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,331,818
    • Issue date Jul 26, 1994
    • The BOC Group plc
    • Thomas Rathbone
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents