ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,758, issued on April 29, was assigned to Herzog Railroad Services Inc. (St. Joseph, Mo.).

"Rail tie plate singulating and orienting machine" was invented by Matthew L. Combs (Agency, Mo.), Daniel L. Wilcoxson (Savannah, Mo.) and Alex Jensen (Fort Worth, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rail tie plate singulating machine comprises a lift conveyor sloping upward and adjacent to a singulating conveyor. The lift conveyor extends below the singulating conveyor from a lift conveyor inlet end to a y-axis intercept between the conveyors and above the singulating conveyor past the y-axis intercept. A transfer guide extending above the li...