Patents by Inventor Hans E. Hinterman

Hans E. Hinterman 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).

  • Abrasive tool having film-covered CBN grits bonded by brazing to a substrate
    Patent number: 5389118
    Abstract: The invention concerns in one aspect a CBN abrasive tool comprising a metal, ceramic or cemented carbide substrate and a single layer of CBN grits bonded to said substrate by a brazing alloy, characterized in that the surface chemistry of said CBN grits is modified by depositing thereon a film of silicon carbide. The invention also concerns, in another aspect, a method of manufacturing a CBN abrasive tool comprising the steps of providing a metal, ceramic or cemented carbide substrate; providing a plurality of CBN grits; depositing a film of silicon carbide on said CBN grits; and, bonding the carbide film-coated CBN grits to said substrate by a brazing alloy.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: February 14, 1995
    Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Developpement
    Inventors: Hans E. Hinterman, Ajay K. Chattopadhyay