ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,674, issued on Sept. 1, was assigned to Railserve Inc. (Atlanta).
"Railcar fouling detection system" was invented by Alec Fuglem (Glenview, Ill.), Charlie Crosby (Greersferry, Ark.), Jason Neil Smith (Edmonton, Canada) and Marco Mattioli (Modena, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A railcar fouling detection system is disclosed herein that is configured to monitor a railway foul zone between a switch and a foul line by detecting railway vehicles moving within or through the foul zone and determining whether railway vehicles are positioned within the foul zone based on information obtained by the one or more sensors. In some embodim...