Patents by Inventor Jack Dwayne Petty

Jack Dwayne Petty 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: 8511089
    Abstract: A combustion liner has an aft seal ring defines a relief slot in a wall of the combustion liner. The relief slot defined in the wall includes a first slot portion extending from a first end of the wall to a termination point. An arcuate slot portion intersects the termination point of the first slot portion, and a generally circular aperture is defined in the wall at each end of the arcuate slot portion.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: August 20, 2013
    Assignee: Rolls-Royce Corporation
    Inventors: Philip Michael Bastnagel, Jack Dwayne Petty