ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,360, issued on May 19, was assigned to MICROJET TECHNOLOGY Co. LTD. (Hsinchu City, Taiwan).

"Indoor gas exchange system" was invented by Hao-Jan Mou (Hsinchu City, Taiwan), Chin-Chuan Wu (Hsinchu City, Taiwan), Yung-Lung Han (Hsinchu City, Taiwan) and Chi-Feng Huang (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An indoor gas exchange system configured between an outdoor space and an indoor space includes one or more outdoor air pollution detectors, a plurality of indoor air pollution detectors, a gas exchange device, a filtering component, and a central processing controller. The gas exchange device is manufactured by a plurali...