ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,277, issued on June 10, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Air-conditioning system" was invented by Chinsoo Hyon (Seoul, South Korea), Sehwan Bae (Seoul, South Korea), Heejae Kwon (Seoul, South Korea) and Jeeyoung Yeon (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air-conditioning system is provided that may include a plurality of air-processing apparatuses, each of which includes an inlet formed in one surface thereof that extends perpendicular to a floor or a ceiling and a pre-filter disposed in the inlet, and a filter cleaner configured to clean at least one of pre-filters provided in the plurality ...