ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,743, issued on July 15, was assigned to SRI Energy Inc. (Sugar Land, Texas).
"Actuator" was invented by Alagarsamy Sundararajan (Sugarland, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve actuator assembly having an actuator housing coupled to a bonnet and a housing lid. A hydraulic cylinder is positioned within the actuator housing and directly coupled to the bonnet. A piston is positioned within the hydraulic cylinder and coupled to a spring lifter assembly and a spring is positioned within the actuator housing and having a first end and a second end, the first end being coupled to a lower surface of the housing lid, and the second en...