ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,849, issued on May 6, was assigned to Kubota Corp. (Osaka, Japan).
"Hydraulic system in work machine" was invented by Yuji Fukuda (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic system in a work machine includes a travel operation device provided in a pilot oil path between a hydraulic pump a travel pump and including an operation member and configured to generate a pilot pressure supplied via the pilot oil path and an additional pilot pressure in accordance with an operation amount of the operation member. The travel pump is to control a flow direction of hydraulic oil supplied to a travel motor based on the pilot pressure ...