Patents by Inventor Jack D. Brownlee

Jack D. Brownlee 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).

  • Patent number: 5222282
    Abstract: A thin strip or foil element of titanium aluminide, nickel aluminide or high strength titanium alloy material is inserted between a metal carrier strip and a metal top lid strip having one end welded or otherwise secured to the carrier strip to be passed between pressure rolls of a rolling mill with the strips and squeezed together with the strips in air at room temperature a plurality of times, preferably with a metal pressure board disposed against the top lid strip adjacent the top pressure roll, to reduce the thickness of the thin strip or foil element by at least 15 percent each time. The element is heated in a protective atmosphere after each reduction in thickness to stress relieve and at least partially recrystallize the element material.
    Type: Grant
    Filed: January 13, 1992
    Date of Patent: June 29, 1993
    Assignee: Texas Instruments Incorporated
    Inventors: Israil Sukonnik, Jack D. Brownlee