ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,542, issued on April 21, was assigned to MICROJET TECHNOLOGY Co. LTD. (Hsinchu, Taiwan).

"Device for detecting gas and controlling volume of clean gas" was invented by Hao-Jan Mou (Hsinchu, Taiwan), Chin-Chuan Wu (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: "A device for detecting gas and controlling volume of clean gas includes a gas detection module and a gas guider. The gas detection module includes a control circuit board, a gas detection main part and a microprocessor, wherein the gas detection main part detects a gas to generate a signal and transmits the ...