ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,849, issued on May 12, was assigned to SEOUL VIOSYS Co. LTD. (Ansan-si, South Korea).

"Air cleaning module" was invented by Ji-Won Kim (Ansan-si, South Korea), Jae-Hak Jeong (Ansan-si, South Korea) and Sang-Chul Shin (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air cleaning module includes a filter, a fan, a light source unit, a housing and a guide structure. The fan is configured to provide a suction direction and a blowing direction of a fluid which are substantially aligned. The light source unit is arranged to be adjacent to the filter to emit a light toward the filter. The light having a property that sterilizes a con...