ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,071, issued on July 21, was assigned to Rotojar Innovations Ltd. (Aberdeen, Great Britain).

"Downhole torque reducer" was invented by Peter Barnes Moyes (Aberdeen, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole torque reducer comprises a mandrel defining a circumferentially continuous inner bearing race and a bearing sleeve defining a circumferentially continuous outer bearing race, the bearing sleeve being mounted on the mandrel such that the outer bearing race of the bearing sleeve circumscribes the inner bearing race of the mandrel. A rolling bearing arrangement is radially interposed between the inner bearing race of the...