Patents by Inventor John J. Lorenz

John J. Lorenz 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).

  • Lip seal with improved bore retention and installation including the seal
    Patent number: 3989259
    Abstract: Improved bore retention of a lip seal is provided by case structure having a series of interrupted, short angularly outwardly deflected portions barely covered by an elastomeric covering. The angularly outwardly deflected portions and the elastomeric covering are proportioned carefully relatively to the bore, which is provided with an annular groove at one end that aids in retaining the seal, in cooperation with displaced elastomer and the outwardly deflected case portions.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: November 2, 1976
    Assignee: Federal-Mogul Corporation
    Inventors: John J. Lorenz, Jon A. Chandler