Patents by Inventor Philippe Matthey

Philippe Matthey 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).

  • Patent number: 4413565
    Abstract: Firing of a tubular-shaped projectile body containing a sharp-edged annular end surface previously created difficulties, because firing the end surface of the tubular-shaped projectile body was damaged by the sabot base portion by virtue of the large acceleration forces. This difficulty is avoided in that the invention contemplates incorporating an at least bipartite ring-shaped wedge member between a cone-shaped portion of the sabot base portion and a cone-shaped rear wall of the tubular-shaped projectile body.
    Type: Grant
    Filed: April 29, 1982
    Date of Patent: November 8, 1983
    Assignee: Werkzeugmaschinenfabrik Oerlikon-Buhrle AG
    Inventors: Philippe Matthey, Robert Salmon, Niklaus Buhlmann