Patents by Inventor W. Scott Craig

W. Scott Craig 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).

  • Marine propulsion unit having exteriorly accessible clean-out capability and flushing device for same
    Patent number: 5490804
    Abstract: A marine propulsion unit is disclosed which has an exteriorly accessible clean-out capability. The unit has an impeller housing located outside of the transom of a marine craft in which the unit is installed, which impeller housing has a separable portion that permits access to the main passage including the impeller when separated. The design also permits insertion of a hose connected fitting for backflushing the cooling system of the power head of the unit.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: February 13, 1996
    Assignee: Outboard Marine Corporation
    Inventors: Clarence E. Blanchard, Duane E. Rogers, Charles B. Hall, Robert Mooney, W. Scott Craig, Dean P. Bergman
  • Jet pump exhaust system
    Patent number: 5464357
    Abstract: An exhaust system for a marine jet pump with an internal combustion power head includes a muffler having a muffler inlet in fluid communication with the power head to receive exhaust gases therefrom, and a muffler outlet for emitting the exhaust gases, the muffler further including an exhaust high rise portion being vertically displaced from the inlet and the outlet to prevent the entry into the muffler inlet of water passing into the interior through the muffler outlet.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: November 7, 1995
    Assignee: Outboard Marine Corporation
    Inventors: W. Scott Craig, Charles B. Hall, Edward K. Lam, Duane E. Rogers
  • Jet pump mounting system
    Patent number: 5460553
    Abstract: A system for mounting a jet propulsion unit to a watercraft having a hull with a mounting opening, the jet propulsion unit including a power head and a jet pump housing secured to the power head, the mounting system including a power transmission portion disposed on the jet pump housing, and a mounting apparatus associated with the transmission portion for mounting the propulsion unit directly to the hull.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: October 24, 1995
    Assignee: Outboard Marine Corporation
    Inventors: W. Scott Craig, Clarence E. Blanchard, Charles B. Hall, Duane E. Rogers, Robert Mooney