ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,148, issued on Sept. 30, was assigned to ASCO SAS (Luce, France).
"Valve system with improved sealing" was invented by Cecilio Sobrino (Montlouis sur Loire, France), Vivek Pandurang Fale (Pune, India), Jean-Pierre Gomez (Amilly, France) and Arnaud Peltier (Yevres, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve system (1) comprising a valve body (20) and a stuffing box (30) assembled to the valve body (20), the valve body (20) having an internal surface (29) defining an annular groove (21), the annular groove (21) comprising an upper side (22), a lower side (23) and a bottom (24) extending axially between the upper (23) and lower (23)...