ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,976, issued on Aug. 5, was assigned to Kubota Corp. (Osaka, Japan).
"Hydraulic system" was invented by Yohei Hamasaki (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The hydraulic system includes a pump operating unit configured to control the discharge amount of a hydraulic pump by receiving a pilot hydraulic fluid portion from a sensing oil passage. The sensing oil passage includes an operating valve switchable between an open state allowing the sensing oil passage to be open and a closed state blocking the pilot hydraulic fluid portion from flowing toward a control valve in the sensing oil passage The operating valve is maintained in ...