US Patent 11912389 Marine propeller

A propeller for a marine propulsion device configured for use on a boat has a hub extending along a longitudinal axis and a plurality of blades, each blade having a blade root attached to the hub and extending radially outwardly from the longitudinal axis toward a respective blade tip. Each blade has a polymer-based core. Each blade is coated with a metal coating that extends from the blade root radially outwardly toward the blade tip. The blade tips are not coated with the metal coating. A method of manufacturing the propeller is also included.