ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,375, issued on July 22, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Vacuum cleaner" was invented by Dongjun Kim (Suwon-si, South Korea), Hun Kang (Suwon-si, South Korea), Kihwan Kwon (Suwon-si, South Korea) and Kyoungwoung Kim (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum cleaner including a cleaner body including a motor configured to generate a suction force and a foreign substance collection chamber; and a suction head connected to the cleaner body. The suction head may include a drum brush, a one-way roller disposed in front of the drum brush, and a housing having a suction port. The dr...