the fluid being oxygen enriched compared to air

Patents Grantslast 30 patents

  • Information Patent Grant

    Cryogenic rectification method

    • Patent number 8,448,463
    • Issue date May 28, 2013
    • Praxair Technology, Inc.
    • Neil Mark Prosser
    • 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

    Pump for a cryogenic liquid and pump unit and distillation column w...

    • Patent number 6,250,896
    • Issue date Jun 26, 2001
    • L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
    • Jean Yves Lehman
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3210948

    • Patent number 3,210,948
    • Issue date Oct 12, 1965
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3131045

    • Patent number 3,131,045
    • Issue date Apr 28, 1964
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

    • Publication number 20240044578
    • Publication date Feb 8, 2024
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Jean-Pierre TRANIER
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    APPARATUS AND METHOD FOR SEPARATING AIR

    • Publication number 20230408193
    • Publication date Dec 21, 2023
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • John PACHON MORALES
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CRYOGENIC RECTIFICATION METHOD

    • Publication number 20100242538
    • Publication date Sep 30, 2010
    • Neil Mark Prosser
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...