Patents by Inventor M. Schoenen

M. Schoenen 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: 4771624
    Abstract: A mandrel rod is rotatably held against axial displacement and serves as rotor for an asynchronous motor causing the mandrel to rotate so that little, if any, wear occurs on the mandrel as engaging the rolled hollow.
    Type: Grant
    Filed: January 16, 1987
    Date of Patent: September 20, 1988
    Assignee: Mannesmann AG
    Inventors: E. Vorbach, M. Schoenen