ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,777, issued on June 23, was assigned to Transportation IP Holdings LLC (Norwalk, Conn.).

"Rail tie handling system and method" was invented by Michael VanderLinden (Knoxville, Iowa), Mark Bachman (Albia, Iowa) and Norman Wellings (Agency, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rail tie handling system is provided that includes at least one chassis that either has self-propulsion or can be coupled to a vehicle having a propulsion system, or both. The handling system includes a conveyor segment, a bundler segment, and an unloader segment. The conveyor can receive rail ties and to provide them upon demand or request. The bundler can rece...