ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,727, issued on June 2, was assigned to Volocopter GmbH (Bruchsal, Germany).

"Method for assisting a pilot in controlling an aircraft, assistance system for an aircraft pilot, and aircraft" was invented by Jan Zwiener (Waldbronn, Germany), Christoph Seiferth (Stuttgart, Germany) and Johannes Stephan (Stuttgart, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for assisting a pilot in controlling an aircraft, an assistance system for an aircraft pilot, and an aircraft are disclosed herein. In one example, a method is disclosed of assisting a pilot in controlling an aircraft having a plurality of lift-generating propulsion devices. The me...