TREA

Stephen E. Petty

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  • Dublin, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid-membrane separation
    • Patent number 6,649,062
    • Issue date Nov 18, 2003
    • Stephen E. Petty
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Heating system
    • Patent number 6,109,339
    • Issue date Aug 29, 2000
    • First Company, Inc.
    • Sherwood G. Talbert
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot water storage
    • Patent number 5,769,033
    • Issue date Jun 23, 1998
    • Columbia Gas of Ohio, Inc.
    • Stephen E. Petty
    • F24 - HEATING RANGES VENTILATING
  • 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

    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

    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

    Absorption refrigeration and heat pump system with defrost
    • Patent number 4,972,679
    • Issue date Nov 27, 1990
    • Columbia Gas Service Corporation
    • Stephen E. Petty
    • F24 - HEATING RANGES VENTILATING