ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,686, issued on Nov. 3, was assigned to BKT Co. LTD. (Daejeon, South Korea).
"Heat exchanger capable of cooling coolant of external plant and sewage treatment device comprising same" was invented by Dong Woo Kim (Daejeon, South Korea), Dae Hwan Rhu (Yeoju-si, South Korea), Jong Goo Kim (Daejeon, South Korea), Jung Hoon Kim (Ansan-si, South Korea) and Bong Choel Choi (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a heat exchanger capable of cooling a coolant and a sewage treatment plant comprising same. An aspect of the present embodiment provides a sewage treatment plant which cools a coolant for dissipating heat of...