Patents by Inventor William B. Rudolf

William B. Rudolf 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).

  • Retractable steering device for cargo barges that increases maneuverability by providing a pivot point or points when altering course
    Patent number: 5150661
    Abstract: A retractable steering device for liquid/bulk cargo carrying barges includes a rectangular barge hull having a generally flat bottom and an upper deck and generally vertical port and starboard sidewalls. A cargo hold is contained at the central portion of and within the barge hull for containing a liquid or bulk cargo. Port and starboard wing tanks are positioned respectively between the port and sidewalls of the hull and the cargo hold. A pair of longitudinally extending slots are positioned adjacent the respective port and starboard wing tanks, each defining an opening that communicates at least with the barge bottom to provide an opening to the sea under the barge bottom.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: September 29, 1992
    Inventor: William B. Rudolf
  • Retractable steering device for cargo barges that increases maneuverability by providing a pivot point or points when altering course
    Patent number: 4928613
    Abstract: A retractable steering device for liquid/bulk cargo carrying barges includes a rectangular barge hull having a generally flat bottom and an upper deck and generally vertical port and starboard sidewalls. A cargo hold is contained at the central portion of and within the barge hull for containing a liquid or bulk cargo. Port and starboard wing tanks are positioned respectively between the port and sidewalls of the hull and the cargo hold. A pair of longitudinally extending slots are positioned adjacent the respective port and starboard wing tanks, each defining an opening that communicates at least with the barge bottom to provide an opening to the sea under the barge bottom.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: May 29, 1990
    Inventor: William B. Rudolf