US Patent Issued to AIRBUS HELICOPTERS DEUTSCHLAND on March 25 for "Rotary wing aircraft with a firewall arrangement having at least one funnel-shaped lower firewall" (German Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,121, issued on March 25, was assigned to AIRBUS HELICOPTERS DEUTSCHLAND GMBH (Donauworth, Germany).

"Rotary wing aircraft with a firewall arrangement having at least one funnel-shaped lower firewall" was invented by Axel Fink (Donauworth, Germany), Manuel Kempf (Donauworth, Germany), Philipp Walch (Rain am Lech, Germany) and Luca Specht (Petershausen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary wing aircraft with a fuselage that forms an aircraft interior region, the fuselage comprising an upper primary skin that separates the aircraft interior region from an aircraft upper deck arranged above the fuselage, the upper primary ski...