ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,397, issued on April 7, was assigned to RESMED PTY LTD (Bella Vista, Australia).
"Vent system for patient interface" was invented by Michael Christopher Hogg (Sydney) and Luke Andrew Stanislas (Sydney).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vent structure may include a vent housing comprising an inlet, an outlet, at least one exhaust gas orifice, and a membrane having a first end and a second end spaced apart, the membrane having a moveable portion between the first end and the second end. The moveable portion may be spaced radially from a membrane-facing surface inside of the vent housing to form an exhaust gas flow passage therebetween to...