Patents by Inventor Jeffrey M. Hillman

Jeffrey M. Hillman 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 floating boat lift
    Patent number: 6006687
    Abstract: A floating boat lift capable of accommodating a wide variety of V-hulled boats. The boat lift is comprised of docking members, a bow stop that protects the hull of the boat, a stern segment and at least one intermediate segment. The stern segment and intermediate segment contain a channel with rollers that assist in conveying the boat over the boat lift and supporting the boat when docked. The rollers have different height configurations and can be positioned in different trays in the channel so that they can be used with boats that have different dead rise angles.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: December 28, 1999
    Assignee: Marine Floats, Inc.
    Inventors: Jeffrey M. Hillman, Clifton D. Vierus
  • Swim ladder for a dock
    Patent number: D389923
    Type: Grant
    Filed: August 15, 1996
    Date of Patent: January 27, 1998
    Assignee: EZ Dock, Inc.
    Inventors: Jeffrey M. Hillman, Clifton D. Vierus
  • Personal watercraft dock
    Patent number: D398576
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: September 22, 1998
    Assignee: EZ Dock, Inc.
    Inventors: Jeffrey M. Hillman, Clifton D. Vierus