TREA

S. Douglas Cornell III

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  • Tucson, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solar water heater
    • Patent number 4,667,653
    • Issue date May 26, 1987
    • Vepa Aktiengesellschaft
    • S. Douglas Cornell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method of making a solar water heater
    • Patent number 4,586,227
    • Issue date May 6, 1986
    • S. Douglas Cornell
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Superior performance passive solar water heater
    • Patent number 4,355,629
    • Issue date Oct 26, 1982
    • S. Douglas Cornell
    • F24 - HEATING RANGES VENTILATING