Patents by Inventor Andreas Wieczorek

Andreas Wieczorek 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).

  • Loading device, in particular bucket-wheel excavator
    Patent number: 4805756
    Abstract: The bucket-wheel excavator comprises a swivellable bucket-wheel boom 6 and a swivellable bridge 11. At a transfer location, the bridge 11 is rotatably supported on a truncated conical superstructure 10 and the turntable b 16 l of the bridge comprises raking protrusions 17, which clear the surface 18 of the superstructure 10 of debris when swivelling the turntable 16 (FIG. 1).
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: February 21, 1989
    Assignee: Voest-Alpine Aktiengesellschaft
    Inventors: Horst Kolleth, Andreas Wieczorek