Patents by Inventor Harald Wyland, deceased

Harald Wyland, deceased 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).

  • Stern tube bearing system for contra-rotating propeller shafts of a water-borne ship
    Patent number: 5419724
    Abstract: A stern tube bearing system for contra-rotating ship's propellers with concentric shafts is configured such that the oil feed to the bearing for the inner shaft is configured so that essentially only the oil ducts located in the lower portion of the rotational path of the bearing are in communication with the oil supply to essentially supply a substantial portion of the oil flow to the lower, load bearing surfaces of the bearing.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: May 30, 1995
    Assignee: Blohm+Voss AG
    Inventors: Harald Wyland, deceased, Heinz-Gunter Ehluss