ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,747, issued on March 11, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Portable hood" was invented by Deukwon Lee (Seoul, South Korea), Yu Na Jo (Seoul, South Korea), Taeyun Lee (Seoul, South Korea), Sang Yoon Lee (Seoul, South Korea) and Min Kyu Oh (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable hood may include a base, a head, a column, and a roll filter unit. The roll filter unit may include a purification filter installed in the head and discharged to an outside of the head after moving past a suction inlet. Accordingly, one of purification filters, for example, an oil mist filter, may be provided as a...