Patents by Inventor Norbert Petrizza

Norbert Petrizza 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).

  • Machine tool
    Patent number: 4597144
    Abstract: A machine tool for processing workpieces of various shapes comprises three processing units each mounted on a carriage to move in three axes of coordinates and each being rotatable about a horizontal axis. Each processing unit carries a tool holder having tools and being turnable in two opposite directions. A workpiece is clamped in a workpiece holder so that it is immovable during operation and can be treated at least at three sides thereof simultaneously.
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: July 1, 1986
    Assignee: Maschinenfabrik Diedesheim GmbH
    Inventors: Hans-Eberhard Frank, Norbert Petrizza