Patents by Inventor James D. Gilliam

James D. Gilliam 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).

  • Race car wheel
    Patent number: 5320420
    Abstract: A wheel assembly for use on a race car. The wheel includes a center piece having an outer portion adapted for attachment to a rim portion of the wheel, a hub portion adapted for engagement with an axle of a race car for mutual rotation therewith, and a transitional portion integrally interconnecting said outer portion and said hub portion. The hub portion is axially offset from the outer portion in a direction toward the axle. In one embodiment, the transitional portion includes a radiused transition area between the outer portion and the hub portion. In a second embodiment, the transitional portion includes an arcuate member extending from the outer portion to a substantially axially centered area on the hub portion. Radially extending webs may be provided for reinforcement between the hub portion and the outer portion. One of the disc and transitional portions defines a plurality of lightning holes therethrough.
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: June 14, 1994
    Inventor: James D. Gilliam
  • Wheel center for a race car wheel or the like
    Patent number: D300526
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: April 4, 1989
    Inventor: James D. Gilliam