Patents by Inventor Bo Julius Oldenburg

Bo Julius Oldenburg 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).

  • Patent number: 3974790
    Abstract: This invention relates to a step construction for a bottom of planing boats in which the step angle is adjusted to the flow direction of the water under each part of the boat bottom. Each step is so designed that the flow direction of the water when the boat is driven at planing speeds is essentially perpendicular thereto under as great a part of the step as possible.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: August 17, 1976
    Inventor: Bo Julius Oldenburg