ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,671, issued on June 2, was assigned to SAFRAN TRANSMISSION SYSTEMS (Colombes, France).

"Aircraft propulsion assembly" was invented by Clement Raucoules (Moissy-Cramayel, France), Boris Pierre Marcel Morelli (Moissy-Cramayel, France) and Jordane Emile Andre Peltier (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion assembly for an aircraft comprising at least two electric motors configured to be disposed in a wing of the aircraft and each comprising a rotor having a motor shaft movable about a motor axis, at least one propeller borne by a propeller shaft movable about a propeller axis and mechanically coupled to the m...