Patents by Inventor Ulrich Duning

Ulrich Duning 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).

  • Speed and direction indicator for ships
    Patent number: 5209682
    Abstract: A speed and direction indicator for ships having at least one rudder propeller, or pump jet, and preferably several such devices for determining the direction of the ship and its speed in the selected direction. An optical display is provided in the area occupied by the ship operator, on which display are shown the angle which is formed between the direction of force and a reference direction, and the strength of the thrust, independently of the operating state of the rudder propeller(s) or the pump jet(s).
    Type: Grant
    Filed: January 31, 1991
    Date of Patent: May 11, 1993
    Assignee: Schottel-Werft Josef Becker GmbH & Co. KG
    Inventors: Ulrich Duning, Reinhold Knecht, Siegfried Lais