TREA

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  • CPC
  • Y10S62/933
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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S62/00Refrigeration

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Y10S62/933From helium
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery of dissolved light gases from a liquid stream
    • Patent number 5,167,125
    • Issue date Dec 1, 1992
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Low temperature refrigeration process for helium or hydrogen mixtur...
    • Patent number 3,992,167
    • Issue date Nov 16, 1976
    • Union Carbide Corporation
    • Robert Arthur Beddome
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3813889
    • Patent number 3,813,889
    • Issue date Jun 4, 1974
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3807185
    • Patent number 3,807,185
    • Issue date Apr 30, 1974
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3805537
    • Patent number 3,805,537
    • Issue date Apr 23, 1974
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3643452
    • Patent number 3,643,452
    • Issue date Feb 22, 1972
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3609984
    • Patent number 3,609,984
    • Issue date Oct 5, 1971
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3250080
    • Patent number 3,250,080
    • Issue date May 10, 1966
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3126266
    • Patent number 3,126,266
    • Issue date Mar 24, 1964
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents