ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,465, issued on Oct. 20, was assigned to SINO DYNAMICS (SHENZHEN) Co. LTD. (Shenzhen, China).

"Rotary servo valve" was invented by He Ma (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to a rotary servo valve, including a casing and a valve body, where the valve body is mounted and fixed inside the casing, a rotor valve core is provided inside the valve body, a valve sleeve is provided on the rotor valve core, and an O-ring 1 is provided on a lower end of the valve body; an end cover is provided on an upper end of the casing, a PCBA circuit board is provided inside the end cover, and a plug is provided on an up...