ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,524, issued on June 2, was assigned to Buti Research S.r.L. (Cenate Sotto, Italy).

"Fixed seat shut-off valve and process for assembling the same" was invented by Stefano Lecchi (Bolgare, Italy) and Pierangelo Scaglia (Voghera, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fixed seat shut-off valve comprises: includes a valve body adapted to receive a closure member, with at least one valve inlet, at least one valve outlet, and a top-entry opening; a closure member received in the valve body and movable relative to the valve body between a valve closed position and a valve open position; at least one removable sealing seat for the closure me...