ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,524, issued on Feb. 3, was assigned to Unity Well Integrity Ltd. (Aberdeen, Great Britain).
"Piston actuated valve apparatus" was invented by Matthew Manning (Aberdeen, Great Britain) and Jason Duthie (Aberdeen, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve apparatus comprises a valve body defining a flow path therethrough, a valve member mounted within the valve body, and an actuator assembly mounted internally within the valve body. The actuator assembly comprises a piston bore and piston member defining a piston chamber therebetween, wherein at least one of the piston bore and piston member is engaged or associated with the ...