Patents by Inventor Hans Kienhofer

Hans Kienhofer 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).

  • Can changing device
    Patent number: 4227848
    Abstract: There is provided herein an automatic can changing device for spinning preparation machines such as for drawing frames, carding or combing machines in which a stationary conveyor is provided that is associated with a fiber lap delivery station, with mechanism for removing empty cans from the conveyor and presenting them to the fiber lap delivery station for the filling operation and thereafter removing these filled cans from the fiber lap delivery station and depositing them in an intermediate station preparatory for introduction to movable carriages also being shown.
    Type: Grant
    Filed: January 12, 1979
    Date of Patent: October 14, 1980
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Kurt Kriechbaum, Hans Kienhofer, Rin J. Picht