ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,743, issued on April 14, was assigned to Korea University Research and Business Foundation (South Korea).
"Bidirectional flow-controllable artificial respirator" was invented by Jang Woo Lee (Seoul, South Korea) and Yoon Je Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bidirectional flow-controllable artificial respirator, according to one embodiment, comprises: a chamber for storing air; a tube connected to the chamber and having air flowing therein; a mask connected to the tube and mounted on a face or mouth; and a flow control valve unit provided in the tube and controlling the air flow between the chamber or an air su...