ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,499, issued on Nov. 25, was assigned to Belgravia Wood Ltd. (Central, Hong Kong).
"Automatic exhaust mechanism" was invented by Jin Huan Jin (Hong Kong, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the presently disclosed subject matter relate to systems and methods for a pool pump. The pool pump may comprise an impeller, an inlet for receiving a liquid, an outlet for supplying the liquid, a chamber above the impeller configured to receive air from the liquid. The pool pump may further comprise a buoy or an exhaust plug configured to release exhaust gas from within the pool pump. A seal configured to seal against a sealing...