US Patent Issued to Rolls-Royce Marine North America on April 15 for "Electrically controllable pitch propeller system for maritime crafts" (Massachusetts Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,514, issued on April 15, was assigned to Rolls-Royce Marine North America Inc. (Walpole, Mass.).

"Electrically controllable pitch propeller system for maritime crafts" was invented by Eric Maxeiner (Walpole, Mass.), Eric Davis (Walpole, Mass.), Donald Ricciuti (Walpole, Mass.), Anthony Youst (Walpole, Mass.) and Michael Schwartz (Walpole, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrically actuated propeller pitch control system includes a propeller hub assembly, a propeller assembly, and a crosshead drive system. The propeller hub assembly rotates about the central axis during operation of watercraft. The propeller assembly is confi...