ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,870, issued on Nov. 3, was assigned to ONESUBSEA IP UK Ltd. (London).
"Subsea valve actuator" was invented by Parth Pathak (Houston), Samuvel Vellingiri (Houston), Nghia T. Tran (Houston), Loc Hoang (Houston) and Andrew Hench (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes an actuator having an actuation stem, a screw assembly, an electric drive, and a lock. The screw assembly is coupled to the actuation stem, wherein the screw assembly includes a male screw portion coupled to a female screw portion. The electric drive is coupled to the screw assembly, wherein the electric drive is configured to move the screw assembly to mo...