ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,632, issued on Oct. 14, was assigned to ResMed Pty Ltd.

"Respiratory pressure therapy system" was invented by Barton John Kenyon (Sydney), Emily Claire Shrubb (Sydney) and Liam Holley (Sydney).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present technology is directed to a respiratory pressure therapy system, that includes a plenum chamber pressurisable to a therapeutic pressure above ambient air pressure, a seal-forming structure to form a seal with an entrance to the patient's airways to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use, a positioning and stabilising structure construct...