ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,362, issued on Aug. 19, was assigned to Xuzhou XCMG Excavator Machinery Co. Ltd. (Jiangsu, China).

"Rotation control system and method for excavator" was invented by Chao Yin (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a novel rotation control system and method for an excavator. The novel rotation control system comprises a controller, an electrical control handle, an instrument, a rotating motor, a rotating valve trim, a main pump, a first electromagnetic valve, a second electromagnetic valve, a first pilot pressure sensor, a second pilot pressure sensor, an overflow valve and a one-way valve, and further comprises ...