ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,681, issued on Sept. 16, was assigned to DAIFUKU AIRPORT AMERICA Corp. (Novi, Mich.) and DAIFUKU Co. LTD. (Osaka, Japan).

"Conveyor load tracking system" was invented by Ryan Vanderhoef (Troy, Mich.), Matthew Sornig (Royal Oak, Mich.) and Dylan Leopold (Saline, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conveyor load tracking method, including associating a designated load with a designated load data record associated with a designated load location record encompassing a first segment of the conveyor and designated load expected travel distances after associated conveyor travel. An unknown load is detected entering a second segment with...