ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,802, issued on June 17, was assigned to AIRBUS HELICOPTERS DEUTSCHLAND GMBH (Donauworth, Germany).
"Rotorcraft with an energy source storage unit" was invented by Martin Blacha (Donauworth, Germany) and Sascha Schneider (Meitingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuselage arranged within a fuselage outer shell; at least one main rotor located on top of the fuselage; at least one engine provided for driving the at least one main rotor; and at least one energy source storage unit comprising at least one energy source configured to provide energy for powering the at least one engine for driving the at least one main rotor; wher...