ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,984, issued on Nov. 18.

"Overpressure shutdown device" was invented by Yi-Jhih Bai (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An overpressure shutdown device includes a main body having an inlet chamber and an outlet chamber, with a communication hole communicating therebetween. The main body has a combined hole communicating with the outlet chamber. A circular groove is recessed around the combined hole. A cover and an elastic diaphragm are installed in the circular groove. The elastic diaphragm is located between the circular groove and the cover. The cover includes an opening. A return button is located inside the cover and ...