ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,237, issued on Dec. 16, was assigned to Jungheinrich AG (Hamburg, Germany).

"Block stacking arrangement" was invented by Michael Becker (Hainburg, Germany), Jorg Cavelius (Bad Vilbel, Germany), Timm Morawietz (Tholey-Uberroth, Germany) and Adrian Nowack (Mainz, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A block stacking arrangement that includes a plurality of container receiving slots; a loading space arranged in the direction of gravity below the container receiving slots; a pass-through opening between each of the container receiving slots and the loading space; and a holding device at the pass-through opening, which has at least one ...