ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,171, issued on Dec. 16, was assigned to Airbus Operations GmbH (Hamburg, Germany).

"System consisting of catch elements and freight carriers" was invented by Ralf Schliwa (Hamburg, Germany), Dirk Meiranke (Hamburg, Germany), Thomas Grabow (Hamburg, Germany), Fred Schettel (Hamburg, Germany), Hermann Benthien (Hamburg, Germany), Carsten Petzholtz (Hamburg, Germany) and Andreas Poppe (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a freight carrier, front catch element and rear catch element, the front edge of the base element of the freight carrier having front engagement elements, and the rear edge has rear engagem...