ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,165, issued on Aug. 5, was assigned to ALFA LAVAL CORPORATE AB (Lund, Sweden).

"Heat exchanger plate, and a plate heat exchanger" was invented by Jens Romlund (Rydeback, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plate heat exchanger comprises heat exchanger plates each comprising a heat exchanger area extending in parallel with an extension plane and comprising a corrugation extending from a primary level on one side of the extension plane to a secondary level on an opposite side of the extension plane. Four porthole areas enclose a respective porthole and comprise two first porthole areas comprising a respective annular base area aroun...