Patents by Inventor Norbert M. Dingremont

Norbert M. Dingremont 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).

  • Workpiece with wear resistance coating
    Patent number: 5595612
    Abstract: A workpiece is made of a steel body and has a hard material coating thereon. The surface which receives the hard material coating is enriched with at least one of C, N, B, O, S or Si. A transition zone between the enriched surface area and the hard material coating has a non-diminishing content of the at least one element.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: January 21, 1997
    Assignee: Balzers Aktiengesellschaft
    Inventor: Norbert M. Dingremont