ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,374, issued on June 2, was assigned to Jungheinrich AG (Hamburg, Germany).

"Block storage system" was invented by Volker Rollwa (Pirmasens, Germany), Jorg Cavelius (Bad Vilbel, Germany) and Markus Liebhaber (Oberursel, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A block storage system with a block storage element, which includes a carrier frame and a load-bearing element, and a vehicle and a method for operating the block storage system. The method includes, via the vehicle, at least one of detaching the load-bearing element from the carrier frame or engaging the load-hearing element with the carrier frame."

The patent was filed on March ...