ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,403, issued on Nov. 3, was assigned to KOPTER GERMANY GMBH (Hohenkirchen-Siegertsbrunn, Germany).

"Method for controlling at least one rotor of a flight vehicle, control data provision unit for a flight vehicle and a flight vehicle having at least one rotor" was invented by Nicolai Stadlmair (Munich) and Daniel Redmann (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling at least one rotor (5) of a flight vehicle (1), wherein the rotor (5) is configured to compensate for or at least reduce a torque acting on the flight vehicle (1), the rotor (5) being provided with a shroud (15), and wherein a rotational speed of the rotor ...