ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,033, issued on April 7, was assigned to HEAD WATERSPORTS S.P.A. (Rapallo, Italy).

"Pressure-reducing system for a breathing apparatus" was invented by Sergio Angelini (Lavagna, Italy), Gabriele Canella (Rapallo, Italy) and Valerio Palmieri (Rapallo, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure-reducing system for a breathing apparatus including: i) a supply conduit for supplying a pressurised breathable gas; ii) a suction mouthpiece for a user to breathe in the breathable gas; and iii) a valve operatively interposed between the supply conduit and the suction mouthpiece. The valve includes: -an inlet, -an outlet; -a shutter permits...