ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,513, issued on Aug. 12, was assigned to Premium Aerotec GmbH (Augsburg, Germany).
"Integral door frame unit" was invented by Cord Haack (Augsburg, Germany), Carsten Paul (Augsburg, Germany) and Bernhard Horger (Augsburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door frame unit for integration into a fuselage of an air vehicle includes at least one door frame component, wherein the door frame unit includes an inner frame and an outer frame surrounding the inner frame, wherein the inner frame defines a door frame opening with horizontal edges and vertical edges, in which a door is mountable, wherein a plurality of cross struts extend b...