US Patent Issued to HITACHI CONSTRUCTION MACHINERY on Aug. 25 for "Construction machine" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,201, issued on Aug. 25, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).

"Construction machine" was invented by Yoshitaka Yanase (Tsuchiura, Japan), Hajime Okano (Nagareyama, Japan) and Yuuji Murayama (Tsuchiura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A closed-circuit pipe group (30) that constitutes a closed circuit system (25 to 28) is distributed through upper positions of a closed-circuit hydraulic pump (29) and an open-circuit hydraulic pump (35) along an upper surface plate (22) of a housing (20). Further, an open-circuit pipe group (36) that constitutes an open circuit system (31 to 34) is distributed through low...