ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,727, issued on June 2, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Additional cooling pack with fans to handle and peak shave fuel cell transients and high ambient temperatures" was invented by Cedric Girin (St. Martin d'Uriage, France), Alex R. Mohning (Edwards, Ill.), Mark A. Holub (Chillicothe, Ill.), Justin J. Graupman (Chillicothe, Ill.) and Eric T. Heille (Washington, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A work machine cooling system for cooling primary power source cooling fluid for a primary power source may include a primary power source cooling unit and a second power source cooling unit fluidly connected so that primar...