The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2026
Filed:
Aug. 09, 2023
Brunswick Corporation, Mettawa, IL (US);
Weikang Du, Jackson, WI (US);
Andrew C. Gunderson, Fond du Lac, WI (US);
Jeffrey D. Reifsnyder, Fond du Lac, WI (US);
Brunswick Corporation, Mettawa, IL (US);
Abstract
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-axis. Each blade also comprises a z-axis extending perpendicularly to both the x- and y-axes. Each blade comprises a winglet with a plurality of winglet sections proximate its blade tip, the winglet sections beginning at a given radial location on the blade and ending at the blade tip. Each winglet section on each blade is rotated about the blade's z-axis such that the blade tip is offset between about 1 degree and about 90 degrees from a surface of the blade that is radially inwardly of and adjacent to the given radial location.