Patents by Inventor Norman A. Moon

Norman A. Moon 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).

  • Piston having laser hardened primary compression ring groove and method of making same
    Patent number: 5515770
    Abstract: The piston made in accordance with the teachings herein includes a primary compression ring groove, a bottom and rear wall surface of which are hardened by the method of laser hardening. The method includes the steps of spraying the primary groove with a graphite spray and then directing an angled elliptical in cross section laser beam at the bottom surface of the groove while rotating the cylinder head at predetermined parameters.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: May 14, 1996
    Assignee: Clark Industries, Inc.
    Inventors: Richard J. Clark, Richard K. Clark, Dennis E. Clark, Richard W. Budd, Norman A. Moon