ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,351, issued on March 18, was assigned to FMH Conveyors LLC (Jonesboro, Ark.).

"Systems and methods for package size detection" was invented by William Mark Hogan (Virginia Beach, Va.), Daniel Lee Bonsack (Jonesboro, Ark.) and Andrew Young (Bono, Ark.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary method for monitoring a package on a conveyor may include emitting a plurality of infrared beams, detecting one or more of the emitted infrared beams, calculating a package height using the detected infrared beams, determining whether the package height exceeds a predetermined threshold, and when the package height meets or exceeds the predete...