ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,115, issued on May 27, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Rotor bearing design for downhole motors" was invented by Raju Ekambaram (Singapore), You Cheng Jee (Singapore), Arthur I. Watson (Sugar Land, Texas) and Pradeep Mahadevan (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "Rotor bearings are provided. The motor bearing can be used in an electric submersible pump motor. The bearing can include a body and one or more anti-rotation pins disposed partially in a groove in an outer surface of the body and configured to be received in a corresponding keyway in an inner diameter of a stator. The anti-rotation p...