ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,638, issued on March 25, was assigned to E-ThermoGentek Co. Ltd. (Kyoto, Japan).

"Tubular heat exchanger with thermoelectric power generation function" was invented by Keiichi Ohata (Kyoto, Japan), Nao Majima (Kyoto, Japan), Akihiko Ikemura (Kyoto, Japan), Michio Okajima (Kyoto, Japan) and Shutaro Nambu (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tubular heat exchanger, with a thermoelectric power generation function, includes: a thermoelectric power generation module 2 mounted on an outer circumferential surface of the heat exhaust tube 1; and a cooling pipe 3 mounted on an outer circumferential surface of the thermoelectric pow...