ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,483, issued on Nov. 3, was assigned to COWAY Co. Ltd. (Gongju-si, South Korea).

"Water tank" was invented by Won Hyuk Lee (Gongju-si, South Korea), Yong Yeon Noh (Gongju-si, South Korea), Woo Jin Joo (Gongju-si, South Korea), Kihong Min (Gongju-si, South Korea), Min Suk Chang (Gongju-si, South Korea) and Sang Bong Je (Gongju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water tank includes a tank body having a tank body space formed therein; a tank cover to cover the tank body space and be coupled with the tank body; and a tank cover reinforcing part formed on the tank cover to reinforce rigidity of the tank cover. The tank cover i...