Patents by Inventor Ralph M. Sharp

Ralph M. Sharp 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).

  • Apparatus and process for producing shaped metal parts
    Patent number: 4569218
    Abstract: Shaped metal parts are produced on a continuous basis from a semisolid metal preform. A plurality of freestanding metal preforms are sequentially heated in an induction heating zone to the semisolid level and transferred without substantial deformation or heat loss to a press where they are shaped in a semisolid state into a shaped metal part.
    Type: Grant
    Filed: July 12, 1983
    Date of Patent: February 11, 1986
    Assignee: Alumax, Inc.
    Inventors: Robert L. Baker, Lester P. Chin, James A. Courtois, Lawrence J. Pionke, Ralph M. Sharp, Peter S. Willcox