TREA

Richard N. Christensen

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  • Columbus, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mass and heat transfer devices and methods of use
    • Patent number 6,314,752
    • Issue date Nov 13, 2001
    • The Ohio State University Research Foundation
    • Richard N. Christensen
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Perforated fin heat and mass transfer device
    • Patent number 5,704,417
    • Issue date Jan 6, 1998
    • Gas Research Institute
    • Richard N. Christensen
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Enhanced fluid-liquid contact
    • Patent number 5,636,527
    • Issue date Jun 10, 1997
    • The Ohio State University Research Foundation
    • Richard N. Christensen
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Capillary fluted tube mass and heat transfer devices and methods of...
    • Patent number 5,617,737
    • Issue date Apr 8, 1997
    • The Ohio State University Research Foundation
    • Richard N. Christensen
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat pump
    • Patent number 5,572,884
    • Issue date Nov 12, 1996
    • The Ohio State University Research Foundation
    • Richard N. Christensen
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Generator for absorption heat pumps
    • Patent number 5,546,760
    • Issue date Aug 20, 1996
    • Columbia Gas of Ohio, Inc.
    • F. Bert Cook
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat transfer apparatus for heat pumps
    • Patent number 5,533,362
    • Issue date Jul 9, 1996
    • Columbia Gas of Ohio, Inc.
    • F. Bert Cook
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat transfer apparatus
    • Patent number 5,339,654
    • Issue date Aug 23, 1994
    • Columbia Gas System Service Corporation
    • F. Bert Cook
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Dispersed bubble condensation
    • Patent number 5,097,819
    • Issue date Mar 24, 1992
    • Gas Research Institute
    • Sherwood G. Talbert
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat transfer apparatus for heat pumps
    • Patent number 5,067,330
    • Issue date Nov 26, 1991
    • Columbia Gas System Service Corporation
    • F. Bert Cook
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Double effect air conditioning system
    • Patent number 4,926,659
    • Issue date May 22, 1990
    • Gas Research Institute
    • Richard N. Christensen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...