ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,366, issued on June 10, was assigned to LS MTRON LTD. (Anyang-si, South Korea).

"Hydraulic circuit for agricultural tractor" was invented by Sun Gi An (Anyang-si, South Korea), Sang Hoon Park (Anyang-si, South Korea) and Suhwan Chun (Anyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a hydraulic circuit for an agricultural tractor. The hydraulic circuit includes: a hydraulic pump configured to supply hydraulic oil; a horizontal control cylinder configured to control the horizontality of a working machine for a work target surface by using a flow output from the hydraulic pump; a horizontal control valve dispose...