Patents by Inventor Forrest Harr

Forrest Harr 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).

  • Patent number: 4271677
    Abstract: A self-contained air-conditioning system for a vehicle, adapted to be mounted on the vehicle roof. The air-conditioning system includes an air refrigeration system comprising compressor, evaporator, condenser and fans operatively associated therewith, an auxiliary electrical generator, independent of the main vehicle electrical system, and an auxiliary gasoline engine for driving the refrigeration compressor and the auxiliary electrical generator. A circuit provides electrical power from the auxiliary generator to the refrigeration system fans and also provides supplemental electrical power from the auxiliary generator to the primary electrical system of the vehicle.The self-contained air-conditioning system may also optionally include remote control means for controlling and monitoring the system.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: June 9, 1981
    Inventor: Forrest Harr