Patents by Inventor Phillip R. Wheeler

Phillip R. Wheeler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Solar heat pump
    Patent number: 3960322
    Abstract: A heating and cooling system which uses heat derived from solar collectors to operate a heat engine which provides operating power to drive a heat pump/air conditioning system and including capability to operate either partly or wholly on supplementary energy sources such as an oil or gas furnace or electric power, and employing positive displacement heat engine and compressor units.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: June 1, 1976
    Inventors: John D. Ruff, Phillip R. Wheeler