Patents by Inventor Stanley Urman

Stanley Urman 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).

  • Toroidal heat exchanger having a hydraulic fan drive motor
    Patent number: 4066047
    Abstract: A toroidal heat exchanger incorporates an air flow directing support cone housing a hydraulic motor used for driving an air propelling means at variable speeds depending on the cooling requirements of the host vehicle.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: January 3, 1978
    Assignee: International Harvester Company
    Inventors: Aleksandar Vidakovic, Stanley Urman, Donald F. Rudny