ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,412, issued on May 27, was assigned to STONEAGE INC. (Durango, Colo.).

"Battery electric high pressure fluid pump system for industrial cleaning operations" was invented by Gerald P. Zink (Durango, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high-pressure fluid supply system and apparatus including a battery electric powered high pressure fluid pump that can be located in proximity to a piece of equipment such as a heat exchanger in an industrial plant in need of being cleaned wherein the system is modularized on a plurality of pallets capable of being transported in the industrial plant elevator to a location near the heat exchanger loca...