Patents by Inventor William C. Routh

William C. Routh 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).

  • Aluminum alloy and method for making die cast products
    Patent number: 5573606
    Abstract: The present invention relates to an aluminum base die casting alloy having substantially improved mechanical properties, and a method for making die cast products from the alloy. More particularly the improved aluminum based alloy comprises 2.5-4.0% by weight magnesium, 0.2-0.6% by weight manganese, 0.25-0.6% by weight iron, 0.2-0.45% by weight silicon, less than 0.003% by weight beryllium with the remainder being aluminum.
    Type: Grant
    Filed: February 16, 1995
    Date of Patent: November 12, 1996
    Assignee: Gibbs Die Casting Aluminum Corporation
    Inventors: James M. Evans, Richard J. Hagan, William C. Routh, Roland N. Gibbs