ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,213, issued on Jan. 27, was assigned to Airbus Operations SAS (Toulouse, France).

"Propulsion assembly for an aircraft, having an extraction fan" was invented by Franck Alvarez (Toulouse, France) and Olivier Verseux (Toulouse, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft propulsion assembly that has a nacelle with a front opening and a rear opening, a propeller driven by an electric motor, a fuel cell supplying the electric motor with electric current, an inner channel arranged in the nacelle between the front opening and the rear opening. The electric motor and the fuel cell are disposed in the inner channel. A motorized fan is...