Patents by Inventor Reginald Clarke

Reginald Clarke 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: 7243607
    Abstract: A wind driven sailing craft is disclosed with a hydrofoil element which provides variable lift to the stern of the craft to maintain a level trim when the craft is operated under power propulsion. The hydrofoil element includes a hydrofoil wing which rotates on a transverse axis to provide the desired lift.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: July 17, 2007
    Assignee: Compass Marine Development Limited
    Inventors: John Chesney, Reginald Clarke, Andrew Claughton
  • Publication number: 20050145156
    Abstract: A wind driven sailing craft with a hull of the displacement type with a keel or keels, is provided with hydrofoil means adapted to lift the stern of the craft when the craft is propelled forwards in use by power propulsion means acting at the stern of the hull.
    Type: Application
    Filed: January 29, 2003
    Publication date: July 7, 2005
    Inventors: John Chesney, Reginald Clarke, Andrew Claughton