Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams

Patents Grantslast 30 patents

  • Information Patent Grant

    Utilization of nitrogen-enriched streams produced in air separation...

    • Patent number 11,635,254
    • Issue date Apr 25, 2023
    • L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
    • Bowei Zhao
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and apparatus for separating air by cryogenic distillation

    • Patent number 9,562,716
    • Issue date Feb 7, 2017
    • L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
    • Alain Guillard
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cryogenic rectification regenerator system

    • Patent number 5,740,683
    • Issue date Apr 21, 1998
    • Praxair Technology, Inc.
    • John Fredric Billingham
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Temperature control method for reversing type heat exchanger group...

    • Patent number 4,459,143
    • Issue date Jul 10, 1984
    • Hitachi, Ltd.
    • Makoto Nawata
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3358462

    • Patent number 3,358,462
    • Issue date Dec 19, 1967
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3279197

    • Patent number 3,279,197
    • Issue date Oct 18, 1966
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3094402

    • Patent number 3,094,402
    • Issue date Jun 18, 1963
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2873583

    • Patent number 2,873,583
    • Issue date Feb 17, 1959
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2682157

    • Patent number 2,682,157
    • Issue date Jun 29, 1954
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2653455

    • Patent number 2,653,455
    • Issue date Sep 29, 1953
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2556850

    • Patent number 2,556,850
    • Issue date Jun 12, 1951
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2535351

    • Patent number 2,535,351
    • Issue date Dec 26, 1950
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents