US Patent Issued to SUMITOMO HEAVY INDUSTRIES on March 4 for "Shovel" (Japanese Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,229, issued on March 4, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).

"Shovel" was invented by Yoshiyasu Itsuji (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shovel includes a plurality of hydraulic actuators each configured to move in response to a movement command; a pressure sensor configured to detect a pressure of hydraulic oil in each of the hydraulic actuators; a meter-in valve in correspondence with each of the hydraulic actuators; a meter-out valve in correspondence with each of the hydraulic actuators; and a controller having a plurality of output characteristics set for each of the hydraulic actuators. The co...