ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,293, issued on July 8, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).
"Hydraulic drive system" was invented by Tomomichi Nose (Kobe, Japan), Hayato Kawasaki (Kobe, Japan), Hideyasu Muraoka (Kobe, Japan) and Nobuyuki Kinoshita (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This hydraulic drive system includes: a hydraulic pump that supplies a working fluid to a hydraulic actuator; a meter-in control valve that controls a flow rate of the working fluid flowing from the hydraulic pump to the hydraulic actuator; a meter-out control valve that controls a flow rate of the working fluid being drained from the hydraulic actuator into a tan...