Patents by Inventor Donald C. McWilliam

Donald C. McWilliam 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).

  • Leaf spring roll-decoupling system
    Patent number: 9776467
    Abstract: A systems and apparatus to decouple an axle and a leaf spring of a vehicle are disclosed herein. In some embodiment, the apparatus includes a spacer block. The spacer block has a main body having an upper surface and two opposing side surfaces with an opening formed in each of the two opposing side surfaces of the main body to form a passage through the main body. The spacer block allows the leaf spring to rotate independent of the axle.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 3, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Sean P. Gaw, Donald C. McWilliam