ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,357, issued on Oct. 28, was assigned to Airbus Operations GmbH (Hamburg, Germany).

"Freight carrier for being received in the freight region of an aircraft having displaceable roller elements" was invented by Thomas Grabow (Hamburg, Germany), Dirk Meiranke (Hamburg, Germany), Andreas Poppe (Hamburg, Germany), Hermann Benthien (Hamburg, Germany) and Ralf Schliwa (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A freight carrier for a freight region of an aircraft, having a base element with a support side and roller elements. Each of the roller elements is retained on a retention member to be rotatable about a rotation axis, wherein e...