Patents by Inventor Sidney R. Whitaker

Sidney R. Whitaker 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).

  • Ceramic shell mold facecoat and core coating systems for investment casting of reactive metals
    Patent number: 4703806
    Abstract: An yttria-based slurry comprising a dense grain yttria powder and a non-aqueous-based binder is used as a mold facecoat and corecoat for investment casting of reactive metals such as titanium and titanium alloys.
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: November 3, 1987
    Assignee: Howmet Turbine Components Corporation
    Inventors: Eliot S. Lassow, Paul R. Johnson, Sidney R. Whitaker, Manuel Guerra, Jr.