Patents by Inventor Fritz Wabitsch

Fritz Wabitsch 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).

  • Open-end spinning rotor assembly
    Patent number: 5261221
    Abstract: In the case of an open-end spinning rotor assembly composed of a rotor and a rotor shaft, it is provided that the free end of the rotor shaft is equipped with an exchangeable supporting element assigned to a step bearing. The supporting element has a centric guiding surface which is assigned to a concentric guiding surface of the shaft, the axial length of the guiding surface of the supporting element being larger than half the overall axial length of the supporting element.
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: November 16, 1993
    Assignees: Fritz Stahlecker, Hans Stahlecker
    Inventors: Fritz Stahlecker, Gerhard Fetzer, Fritz Wabitsch