ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,154, issued on Oct. 14, was assigned to Indexator Rotator Systems AB (Vindeln, Sweden).

"Rotator for a tool" was invented by Joakim Harr (Vindeln, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a rotator (100) for a tool (200). The rotator (100) comprises a stator (102) and a rotor (104) rotatably arranged inside the stator (102). The rotor (104) comprises a radial bearing (122) having a first axial extension (a1) in the rotator (100). The rotator (100) comprises a separate bearing (112) arranged radially outside the rotor (104). The separate bearing (112) is configured to carry an external load of the rotator (100). ...