ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,136, issued on Dec. 9, was assigned to Volocopter GmbH (Bruchsal, Germany).

"Method and system for operating an aircraft" was invented by Markus Ortlieb (Karlsruhe, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating an aircraft (1) is provided, wherein for a predetermined trajectory (NT) of the aircraft (1) a volume enveloping the trajectory (NT) is determined, which volume includes a first, inner volume and a second, outer volume, and the second volume envelops the first volume. The first volume is composed of a plurality of first individual volumes (TVi) and the second volume is composed of a number of second individual v...