ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,376, issued on Dec. 2, was assigned to MICROJET TECHNOLOGY Co. LTD. (Hsinchu, Taiwan).
"Exhaust fan for preventing air pollution" was invented by Hao-Jan Mou (Hsinchu, Taiwan), Yung-Lung Han (Hsinchu, Taiwan) and Chi-Feng Huang (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust fan for preventing air pollution includes a main body and at least one gas detection module. The main body is configured to form an airflow-guiding path and includes a gas guider and a filtration and purification component disposed in the airflow-guiding path. The gas guider introduces an air convection for guiding an air pollution source contained in a...