US Patent Issued to Brunswick on Sept. 15 for "Marine propeller with winglets and method of design thereof" (Wisconsin Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,159, issued on Sept. 15, was assigned to Brunswick Corp. (Mettawa, Ill.).

"Marine propeller with winglets and method of design thereof" was invented by Weikang Du (Jackson, Wis.), Andrew C. Gunderson (Fond du Lac, Wis.) and Jeffrey D. Reifsnyder (Fond du Lac, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propeller for a marine propulsion device comprises a hub extending along an x-axis and a plurality of blades, each having a blade root attached to the hub and extending radially outwardly from the x-axis toward a respective blade tip. Each blade comprises a y-axis extending radially outwardly from and perpendicular with respect to the x-axi...