Patents by Inventor Joseph Kowalis

Joseph Kowalis 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: 4213620
    Abstract: A highly conformable cylinder head gasket, especially for diesel engines, in which a steel carrier plate has plural cylinder openings surrounded by raised high shear compression beads formed by partially shearing the metal more than 25 percent but not more than about 50 percent of the carrier plate thickness. The edges of the cylinder openings and the compression beads are covered by a stainless steel wrap of interconnected rings formed from a single sheet, while the edges of the gasket and other fluid conducting openings are sealed with a composition material applied to the carrier plate and having portions precompressed to leave a narrow non-precompressed sealing bead at the desired areas.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: July 22, 1980
    Assignee: General Motors Corporation
    Inventors: Lawrence C. Kennedy, Joseph Kowalis