Patents by Inventor Richard Lee Tennent

Richard Lee Tennent 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).

  • Construction for a fiber reinforced shaft
    Patent number: 4097626
    Abstract: A carbon graphite fiber reinforced shaft incorporating longitudinal plies and radial plies. In transverse aspect, the radial plies incorporate two interleaved helices with three turns around the shaft. The fibers in the two helices are oppositely oriented at an angle to the longitudinal axis of the shaft. The fibers in one radial ply have a modulus that is substantially 50% greater than the modulus of the opposed interleaved radial ply.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: June 27, 1978
    Assignee: Grafalloy Corporation
    Inventor: Richard Lee Tennent