Patents by Inventor Ronald G. Cadwell

Ronald G. Cadwell 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).

  • Multiple temperature actuated fluid-electric control device
    Patent number: 4239153
    Abstract: A temperature responsive control device achieving sequential control of functions for engine temperature control in response to engine temperature conditions, the first function being controlled by a fluid flow valve and the subsequent function or functions being controlled by an electrical switch means actuated via the valve.
    Type: Grant
    Filed: December 29, 1978
    Date of Patent: December 16, 1980
    Assignee: Kysor Industrial Corporation
    Inventors: Larry E. Monigold, Ronald G. Cadwell
  • Combination valve
    Patent number: 4189095
    Abstract: A temperature and pressure responsive fluid flow control valve, particularly useful for controlling the operation of a fluid fan drive. This valve regulates operation of the fluid fan drive by controlling the fluid flow from the fluid fan drive, in response to both engine coolant temperature and fluid pressure of the fan drive oil.
    Type: Grant
    Filed: November 2, 1978
    Date of Patent: February 19, 1980
    Assignee: Kysor Industrial Corporation
    Inventors: Larry E. Monigold, Ronald G. Cadwell