ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,255, issued on July 29, was assigned to BARYON INC. (Wilmington, Del.).

"Evaporative heat exchanger" was invented by Demis Lukasz Pandelidis (Wroclaw, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An evaporative heat exchanger includes a plurality of parallel plates forming a plurality of channels for a primary air flow and a secondary air flow. The secondary air flow evaporates a liquid thereby cooling the primary air flow. The plurality of parallel plates are assembled efficiently on a plurality of rods that pass perpendicularly through the plurality of plates. The rods have fasteners on each end with at least one of the fasteners being ad...