Patents by Inventor Donald F. Rypinski

Donald F. Rypinski 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).

  • Modular watercraft system
    Patent number: 5582126
    Abstract: A modular watercraft system includes large and small hulls, and a variety of connectors for enabling the manual assembly of any one of several multi-hull watercraft, for example an outrigger, a catamaran, or a trimaran. The modular components are all designed to be lightweight and easily portable. In addition, a V-shaped transom, enabling inboard pivotal mounting of a rudder, may be provided on each large main hull for enhancing maneuverability and boater safety. Furthermore, a removable mast that is mounted for unobstructed 360 degree rotation about a mast axis may be provided.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: December 10, 1996
    Inventor: Donald F. Rypinski
  • Multi-hull sailboat
    Patent number: D445755
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: July 31, 2001
    Inventor: Donald F. Rypinski
  • Coaching boat
    Patent number: D486118
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: February 3, 2004
    Inventor: Donald F. Rypinski