ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,093, issued on May 27, was assigned to HD HYUNDAI INFRACORE Co. LTD. (Incheon, South Korea).
"Hydraulic system" was invented by Myeongku Yeo (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic system according to an embodiment of the present invention comprises: a main hydraulic pump for discharging a hydraulic fluid; a plurality of driving apparatuses operating by receiving the hydraulic fluid; a parallel flow path through which the hydraulic fluid discharged by the main hydraulic pump flows; a plurality of control spools respectively connected to the parallel flow path in parallel to control the supply of hydraulic fluid...