Patents by Inventor Erich Widmann

Erich Widmann 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: 4754667
    Abstract: A method of and apparatus for machining a blade (1) having a plurality of cutting teeth positions with each such position mounting a material cutting tip (7) having faces (13, 16) which co-operate to provide the cutting edge(s) or cutting profile (19) of the teeth, in which the machining of said faces of any tooth is completed before commencing the machining or corresponding faces of next tip to be machined.
    Type: Grant
    Filed: May 14, 1986
    Date of Patent: July 5, 1988
    Assignee: H.u. E. WIDMANN GmbH & Co KG
    Inventors: Erich Widmann, Dieter Widmann