ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,209, issued on Oct. 14, was assigned to CAVAGNA GROUP S.P.A. (Ponte S. Marco, Italy).
"Pressure regulator" was invented by Luigi Tomaselli (Ghedi, Italy) and Giuliano Cavagna (Brescia, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure regulator for a gas comprising an outflow pipe for the gas, a movable closure member, a main body comprising a first chamber in fluid communication with the out flow pipe, a second chamber in atmospheric contact, a separation element which is movable inside the main body so as to define a movable separation wall between the first chamber and the second chamber and which is fixedly joined to the movable cl...