ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,991, issued on Nov. 3, was assigned to MICROJET TECHNOLOGY Co. LTD. (Hsinchu, Taiwan).
"Indoor air cleaning system" was invented by Hao-Jan Mou (Hsinchu, Taiwan), Chin-Chuan Wu (Hsinchu, Taiwan) and Chi-Feng Huang (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An indoor air cleaning system, including plural gas detectors which are disposed in indoor and outdoor fields for detecting air pollution information and outputting through IoT; a circulation back-flow channel; a circulation filter device disposed in the circulation back-flow channel; an air conditioning device disposed in indoor field for temperature and humidity adjustment; a...