US Patent Issued to KYUNGDONG NAVIEN on June 3 for "Heat-exchange pipe, heat-exchanger unit using same, and condensing boiler using same" (South Korean Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,550, issued on June 3, was assigned to KYUNGDONG NAVIEN Co. LTD. (Gyeonggi-do, South Korea).

"Heat-exchange pipe, heat-exchanger unit using same, and condensing boiler using same" was invented by Jun Kyu Park (Seoul, South Korea) and Jun Gil Park (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat-exchanger unit according to the present invention comprises: a sensible-heat heat-exchange portion arranged in a sensible-heat heat-exchange area for receiving sensible heat generated by a combustion reaction and thereby heating water, the sensible-heat heat-exchange portion having a sensible-heat heat-exchange pipe for receiving the w...