Patents by Inventor Russell R. Maule

Russell R. Maule 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).

  • Evaporative heat exchanger
    Patent number: 4776181
    Abstract: Recirculating coolant from an engine passes through tubes in a heat exchanger pressure vessel. A cooling medium is directed onto the exterior surfaces of the tubes, and the pressure within the vessel is reduced to lower the temperature of evaporation of the cooling medium. A thermostatic control reduces or prevents the flow of engine coolant to the tubes when the coolant temperature falls below the temperature of evaporation of the cooling medium.
    Type: Grant
    Filed: July 17, 1986
    Date of Patent: October 11, 1988
    Assignee: Salfon Pty. Ltd.
    Inventor: Russell R. Maule