Patents by Inventor Wanli Qiu

Wanli Qiu 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).

  • Cam, pawl and sector gear locking arrangement
    Patent number: 5535640
    Abstract: A cam, pawl and sector gear locking arrangement useful in vehicle seat adjusters is provided which maintains better engagement over a wider range of positioning of the cam and is more forgiving of misplacement of the cam or the sector gear with respect to the pawl due to build tolerances or wear conditions.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: July 16, 1996
    Assignee: General Motors Corporation
    Inventor: Wanli Qiu