Patents by Inventor Donald C. Wescott

Donald C. Wescott 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).

  • High torque low speed hydraulic motor with rotary valving
    Patent number: 4563136
    Abstract: A hydraulic torque motor and more particularly a hydraulic torque motor 10 of the internally generated rotor family having a rotatable inner rotor 24 and an orbital outer rotor 26 and which includes an improved rotary valve means 66 for the delivery and exhaust of hydraulic pressure fluid thereto and therefrom.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: January 7, 1986
    Assignee: Parker-Hannifin Corporation
    Inventors: Edward H. Gervais, Carle A. Middlekauff, Donald C. Wescott