ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,287, issued on Sept. 30, was assigned to TAIWAN MASK Corp. (Hsinchu County, Taiwan).
"Heat exchanging apparatus" was invented by Chih-Ming Chen (Hsinchu County, Taiwan) and Chih-Kang Toh (Hsinchu County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heat exchanging apparatus includes a main body and N contact blocks formed on a head end surface of the main body, where N is a natural number. The main body therein has a multi-turn flow passage, a first arc-shell flow passage and a second arc-shell flow passage. Each contact block therein has a plurality of plate-shell flow passages parallel to each other and parallel to a longitudinal direc...