for the metal production

Patents Grantslast 30 patents

  • Information Patent Grant

    Integrated method and apparatus for compressing air and producing c...

    • Patent number 9,657,987
    • Issue date May 23, 2017
    • L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
    • Benoit Davidian
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Process and plant with oxygen-enriched air feed for a non-ferrous m...

    • Patent number 6,576,040
    • Issue date Jun 10, 2003
    • L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour...
    • Didier Magnet
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for oxygen-enhanced combustion using a vent stream

    • Patent number 6,217,681
    • Issue date Apr 17, 2001
    • Air Products and Chemicals, Inc.
    • Edward Robert Bazarian
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Process for feeding a gas-consuming unit

    • Patent number 6,062,043
    • Issue date May 16, 2000
    • L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
    • Didier Magnet
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3729298

    • Patent number 3,729,298
    • Issue date Apr 24, 1973
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents