ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,664, issued on Sept. 1, was assigned to JB VALVES Ltd. (Huddersfield, Great Britain).

"Valve apparatus" was invented by Alexander Stuart Jamieson (Huddersfield, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve apparatus comprises a valve member moveable for controlling flow through a fluid carrying bore. The valve member comprises a valve element coupled to a stem element extending within a stepped stem bore in a stem body, the stem element projecting out from the stem body through a stem bore opening. The valve member is further provided with a pressure-energizable multi-element stem seal within the stem bore, the stem element h...