ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,755, issued on Sept. 8, was assigned to AMOTECH Co. LTD (Incheon, South Korea).

"Pinion gear unit and swivel actuator using same" was invented by Byung Soo Kim (Incheon, South Korea) and Jong Hwa Shin (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a pinion gear unit and a swivel actuator using same, wherein the pinion gear unit is capable of maximizing a torsional force of a pinion gear and a worm wheel connected to a ring gear. The swivel actuator may include: a lower housing having a hollow cylindrical portion protruding upward from the center thereof, the hollow cylindrical portion serving as a support shaft of ...