ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,257, issued on Sept. 15.

"Methods, systems and apparatus for controlling movement of transporting devices" was invented by Robert Stadie (Hatfield, Great Britain), Matthew Whelan (Hatfield, Great Britain) and Christopher Brett (Hatfield, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for controlling movement of transporting devices arranged to transport containers, the containers being stored in stacks arranged in a facility. A facility having pathways arranged in a grid-like structure above stacks, the transporting devices being configured to operate on the grid-like structure. A control unit configured to determi...