ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,225, issued on June 3, was assigned to TALLY ENERGY SERVICES LLC (Houston).
"Electric auto-catcher" was invented by Robert G. Roycroft (Houston), Shannon S. Freeman (Tomball, Texas) and Tony Giang (Spring, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic auto-catcher for catching and releasing a plunger in a lubricator attached to a well. The electronic auto-catcher may include an electronic actuator and an auto-catcher. The electronic actuator may include an actuator that causes lateral movement of an actuator shaft, which causes lateral movement of a stem adaptor, which causes lateral movement of a catcher stem, which causes later...