Patents by Inventor David C. Yeack

David C. Yeack 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).

  • Concentric motor electric power steering for rack and pinion gear with center take-off
    Patent number: 4683971
    Abstract: An electric power assisted rack and pinion steering gear for steering the dirigible wheels of a vehicle comprising a rack housing with an end-mounted electric motor telescopically receiving and linearly driving a rack-screw assembly through ball nut and spur gearing.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: August 4, 1987
    Assignee: General Motors Corporation
    Inventors: Kenneth L. Westercamp, Donald J. Kurecka, David C. Yeack