Patents by Inventor Dieter Grimmig

Dieter Grimmig 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).

  • Pushing unit
    Patent number: 5850801
    Abstract: A water craft assembly comprising a towboat (1) and a barge (2) pushed and steered by the towboat (1) and which is designed and constructed for use in shallow water with an optimal cargo-carrying capacity, and wherein the towboat includes a paddle wheel drive mounted in its stern.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: December 22, 1998
    Assignees: Hans Grimmig GmbH, Schiffswerft Oberelbe GmbH
    Inventor: Dieter Grimmig