Patents by Inventor Donald R. Biegel

Donald R. Biegel 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).

  • Ship hull construction
    Patent number: 4802427
    Abstract: A ship hull construction comprises an upper main hull having a keel and three submerged substantially cylindrical sub-hulls, one sub-hull being located directly beneath the keel of the main hull, the other two sub-hulls being located above and to opposite sides of said one sub-hull, each sub-hull being mounted to the underside of said main hull and imparting buoyancy thereto, whereby the sub-hulls produce an advantageous hydraulic lift that softens entry of the main hull and dampen pitch, roll and yaw.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: February 7, 1989
    Assignee: Tri-Albi Corporation
    Inventor: Donald R. Biegel