Patents by Inventor James R. Colvin

James R. Colvin 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: 4934451
    Abstract: An apparatus and method for conditioning air is disclosed. The invention captures condensation from an evaporator coil and pumps the chilled condensation through a coil to precool the air before the air flows over the evaporator coil. During a heating cycle, the invention captures waste heat from the furnace with a radiator system which includes through the coil to warm the air as it flows through the air handling unit.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: June 19, 1990
    Inventor: James R. Colvin
  • Patent number: 4782321
    Abstract: An alarm system for a vehicle is disclosed. The alarm system is responsive to theft of the vehicle either by pulling the lock mechanism or by starting of the vehicle through the forced entry of the bowl plate. The alarm system further includes a signal system remote from the detection system for emitting a single frequency for detection remote from the vehicle. The detector may include distance and direction detection from the detector to the vehicle.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: November 1, 1988
    Assignee: Victor Branch
    Inventor: James R. Colvin