ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,811, issued on Dec. 2, was assigned to GE Aviation Czech s.r.o (Prague) and GE Avio S.r.l. (Rivalta di Torino, Italy).

"Propeller assembly and pitch control unit" was invented by Giuseppe Cervelli (Bari, Italy), Simone Castellani (Bari, Italy), Miriam Manzoni (Rivalta di Torino, Italy), Giuseppe Bellocchio (Rivalta di Torino, Italy) and Vojtech Jirasek (Prague).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable pitch propeller assembly operatively coupled with an engine and methods for controlling the pitch of a plurality of propeller blades thereof is provided. In one example aspect, the variable pitch propeller assembly includes features for ...