ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,521, issued on Jan. 20, was assigned to JAC Operations Inc. (Chicago).

"Railcar gate adaptor and railcar modification using the same" was invented by Michael H. Kress (Armagh, Pa.), Gregory P. Josephson (Salix, Pa.) and Ethan Ryan Terrel (Danville, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A railcar modification comprises a pair of spaced trucks; a multiple bay hopper railcar body on the pair of trucks; a hopper floor in the railcar body, wherein each bay of the hopper railcar body has hoppers formed of sloped floor sheets having a hopper floor slope; a plurality of gate adaptors, each gate adapter coupled to the floor sheets of a hopper, ...