ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,468, issued on May 6, was assigned to COWAY Co. Ltd. (Chungcheongnam-do, South Korea).
"Water purifier" was invented by Hyoung-Min Moon (Seoul, South Korea), Chul-Ho Kim (Seoul, South Korea), Young-Hoon Hong (Seoul, South Korea), Si-Jun Park (Seoul, South Korea) and Hyun-Soo Shin (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water purifier capable of stably discharging residual water from an extraction unit is disclosed. The water purifier (100) comprises: a filter unit (110) having a reverse osmosis membrane filter (113) for filtering incoming water; an extraction unit (160) for providing purified water filtered by the filter...