ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,765, issued on March 31, was assigned to Modine Manufacturing Co. (Racine, Wis.).
"Heat exchanger dimple configuration" was invented by Sven Michael Thumm (Metzingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil cooler has alternating first and second heat exchanger plates coupled to a base heat exchanger plate. The first heat exchanger plate includes upstanding impressions extending upwardly a first distance from a generally planar surface away from the base heat exchanger plate. The second heat exchanger plate includes descending impressions extending downwardly a second distance from the second generally planar surface toward th...