Patents by Inventor Donald J. Berchem

Donald J. Berchem 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).

  • Liquid cooled exhaust manifold
    Patent number: 4711088
    Abstract: A liquid cooled exhaust manifold with spaced and separated passages associated with each exhaust port of an associated internal combustion engine and with a transversely extending common coolant distributing passage to evenly supply the separated coolant passages.
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: December 8, 1987
    Assignee: Chrysler Motors Corporation
    Inventors: Donald J. Berchem, James R. Meininger
  • Exhaust outlet housing for outboard motors
    Patent number: D246853
    Type: Grant
    Filed: June 23, 1976
    Date of Patent: January 3, 1978
    Assignee: Chrysler Corporation
    Inventor: Donald J. Berchem