Patents by Inventor William Coffman

William Coffman 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).

  • Sailing monohull tri-foiler
    Patent number: 8967063
    Abstract: A tri-foil sailboat and powerboat are described having retractable hydrofoils with independently adjustable angles of attack allowing the hull to be fully lifted from the water and the sailboat to travel at more than twice the wind speed.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: March 3, 2015
    Assignee: CF Boats Intellectual Property Corp.
    Inventor: William Coffman
  • SAILING MONOHULL TRI-FOILER
    Publication number: 20110259254
    Abstract: A tri-foil sailboat and powerboat are described having retractable hydrofoils with independently adjustable angles of attack allowing the hull to be fully lifted from the water and the sailboat to travel at more than twice the wind speed.
    Type: Application
    Filed: April 22, 2010
    Publication date: October 27, 2011
    Inventor: William Coffman