ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,058, issued on March 25, was assigned to METROM RAIL LLC (Lakemoor, Ill.).
"Rail vehicle signal enforcement and separation control" was invented by Richard C. Carlson (Village of Lake in the Hills, Ill.), Kurt A. Gunther (Round Lake Heights, Ill.) and Marc W. Cygnus (Mundelein, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for train operation control and enforcement. A train control system for controlling operations of a train may include a train-mounted control unit deployed in the train, and a plurality of fixed control nodes deployed on or in close proximity to a track traversed by the train. Each of the tr...