ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,837, issued on Aug. 4, was assigned to Dresser LLC (Houston).
"Securing a plug assembly in a valve" was invented by Aurelien Thomas Jules Reau (Flers, France), Romain Francois Pierre Chenu (Conde-sur-Noireau, France), Valentin Mercier (Flers, France) and Mickael Olaya (Valdalliere, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plug assembly is configured for use in a valve. These configurations may include a plug with a sealing surface that can interface with a seat to regulate flow of fluid through the valve. A keyed shaft may insert into the plug. The keyed shaft can rotate to change location of key members in the plug. In one implementat...