ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,058, issued on March 25, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Valve actuator" was invented by Joohang Kang (Seoul, South Korea) and Youngchan Ahn (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve actuator includes: a motor and a gear assembly transmitting a driving force of the motor to a ball valve. The gear assembly includes: an input gear coupled to a rotational shaft of the motor and rotating with the rotational shaft, an output gear spaced apart from the input gear, coupled to a stem of the ball valve, and transmitting a rotational force of the input gear to the stem, and a power transmission gear...