ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,531, issued on July 14, was assigned to AIRBUS HELICOPTERS DEUTSCHLAND GMBH (Donauworth, Germany) and AIRBUS HELICOPTERS (Marignane Cedex, France).

"Rotorcraft with a non-retractable wheel-type landing gear" was invented by Axel Fink (Donauworth, Germany), Aurelien Achard (Vitrolles, France) and Didier Bertin (Marseilles, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotorcraft with at least one non-retractable wheel-type landing gear and a fuselage comprising a lower shell, an inner floor, and at least one lower fuselage compartment arranged between the inner floor and the lower shell, wherein the at least one non-retractable wheel-type l...