Patents by Inventor Willard G. Rochester

Willard G. Rochester 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: 4822308
    Abstract: A propeller enclosed in an open tube and attached to the tube, with the tube being driven by an engine through a ring gear rack on the outside of the tube, a stationary housing concentrically outside the tube and attached to the boat hull, bearings and seals between the housing and the tube to permit the space between the housing and tube to be filled with lubricating oil, and a pivotable rudder located partially inside and partially outisde the aft end of the tube.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: April 18, 1989
    Inventor: Willard G. Rochester