Patents by Inventor Alfred P. Kaulius, Jr.

Alfred P. Kaulius, Jr. 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).

  • Impregnated alumina-based core and method
    Patent number: 6494250
    Abstract: An impregnated fired porous alumina-based ceramic core for use in an investment shell mold in the casting of molten metals and alloys wherein the core is impregnated with yttria to improve core creep resistance at elevated casting temperatures and times.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: December 17, 2002
    Assignee: Howmet Research Corporation
    Inventors: Gregory R. Frank, Ronald J. Keller, Rodney S. Haaland, Charles F. Caccavale, Alfred P. Kaulius, Jr.