ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,248, issued on Feb. 18, was assigned to TRINITY TANK CAR INC. (Dallas).
"Internal nozzle for a tank car" was invented by Ross E. Hill (River Oaks, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cryogenic railway tank car includes an outer tank, an inner tank positioned within the outer tank, an internal nozzle, and a pipe. The inner tank includes a shell that defines an opening. The internal nozzle is coupled to the inner tank at least along a perimeter of the opening and extends in a radial direction through the opening and into the inner tank. A space defined by an interior surface of the outer tank, an exterior surface of the inner tank, ...