Patents by Inventor Peter Landmann

Peter Landmann 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).

  • Tipping grid for floating dredges
    Patent number: 5427251
    Abstract: A tipping grid assembly includes a frame in which a tipping grid is supported and a scraper disposed above and reciprocatingly movable with respect to the tipping grid. The scraper includes a bridge having top and bottom chords, and teeth on the bottom chord over the tipping grid. A pair of running rails are attached to the frame to support a pair of posts which in turn support the top chord of the bridge. A pair of chains pull the bridge over the tipping grid to remove clogged material.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: June 27, 1995
    Assignee: PS Foerder- und Lagertechnik
    Inventors: Peter Landmann, Werner Knecht