TREA

Leon R. Van Steenburgh Jr.

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  • Denver, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-clearing vacuum pump with external cooling for evacuating refr...
    • Patent number 6,314,749
    • Issue date Nov 13, 2001
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Liquid chiller with bypass valves
    • Patent number 5,551,249
    • Issue date Sep 3, 1996
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim with air purge
    • Patent number 5,465,590
    • Issue date Nov 14, 1995
    • Van Steenburgh, Jr.; Leon R.
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 5,357,768
    • Issue date Oct 25, 1994
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim with automatic air purge
    • Patent number 5,291,743
    • Issue date Mar 8, 1994
    • Leon R. Van Steenburgh, Jr.
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 5,245,840
    • Issue date Sep 21, 1993
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 5,243,832
    • Issue date Sep 14, 1993
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 5,195,333
    • Issue date Mar 23, 1993
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 5,176,008
    • Issue date Jan 5, 1993
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compact refrigerant reclaim apparatus
    • Patent number 5,101,641
    • Issue date Apr 7, 1992
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim apparatus
    • Patent number 5,086,630
    • Issue date Feb 11, 1992
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 5,072,593
    • Issue date Dec 17, 1991
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compact refrigerant reclaim apparatus
    • Patent number 5,050,401
    • Issue date Sep 24, 1991
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 4,998,416
    • Issue date Mar 12, 1991
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant reclaim method and apparatus
    • Patent number 4,967,570
    • Issue date Nov 6, 1990
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Safety refrigerant storage cylinder
    • Patent number 4,953,357
    • Issue date Sep 4, 1990
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration system with bypass valves
    • Patent number 4,815,298
    • Issue date Mar 28, 1989
    • Leon C. Van Steenburgh
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Refrigeration system with bypass valves
    • Patent number 4,718,245
    • Issue date Jan 12, 1988
    • Leon R. Van Steenburgh
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Refrigerated gas separation apparatus
    • Patent number 4,689,969
    • Issue date Sep 1, 1987
    • Wilkerson Corporation
    • Leon R. Van Steenburgh
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Evaporator plate for ice cube making apparatus
    • Patent number 4,366,679
    • Issue date Jan 4, 1983
    • Mile High Equipment Company
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Automatic ice cube making apparatus
    • Patent number 4,341,087
    • Issue date Jul 27, 1982
    • Mile High Equipment Company
    • Leon R. Van Steenburgh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...