Patents by Inventor Daniel G. Wilcox

Daniel G. Wilcox 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).

  • Symmetrical propeller
    Patent number: 4331429
    Abstract: A propeller (18) having an exhaust discharge passage (22) through the propeller hub has blades (24) symmetrical in thickness about the nose-tail pitch line and symmetrical in plan form about a rake line (26). The propeller (18) is particularly effective to increase reverse thrust when used with an outboard drive unit (10) having exhaust gas relief passages (27).
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: May 25, 1982
    Assignee: Brunswick Corporation
    Inventors: Roger E. Koepsel, Ronald M. Steiner, Daniel G. Wilcox