ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,699, issued on Nov. 11, was assigned to SWEP INTERNATIONAL AB (Landskrona, Sweden).
"Double wall plate heat exchanger" was invented by Sven Andersson (Hassleholm, Sweden) and Tomas Dahlberg (Helsingborg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A double wall plate heat exchanger (100) comprising a plurality of double wall plate heat exchanger elements (110, 120) formed with a ridges (R) and grooves (G) providing contact points between neighboring heat exchanger elements (110, 120) under formation of flow channels between them for fluids to exchange heat. The flow channels are in selective fluid communication with each other through port...