Patents by Inventor Ernest C. Thomas

Ernest C. Thomas 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).

  • Exhaust air rail manifold
    Patent number: 5572867
    Abstract: A dual wall, air gap exhaust manifold with an integral inlet connecting flange defining an elongated, internal, air injection passageway enclosed by an L-shaped plate welded over an elongated slot in the flange to form the elongated passageway, the L-shaped plate also being welded over a series of short channels which extend between the elongated passageway and the manifold inlet openings. The elongated passageway has an air inlet connector. The spaced dual walls of the manifold runners are joined together at the flange openings, just downstream of the channels.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: November 12, 1996
    Assignee: Benteler Industries, Inc.
    Inventors: Mark W. Bekkering, Ernest C. Thomas, Earl W. Mattson