ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,584, issued on Oct. 27, was assigned to YANMAR HOLDINGS Co. LTD. (Osaka, Japan).
"Electric construction machine" was invented by Shu Nishikori (Osaka, Japan) and Kensuke Kaneda (Chikugo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric construction machine includes a driving system configured to drive a machine body under electric power, a heat exchange device configured to exchange heat of a cooling medium for cooling the driving system, a cooling fan configured to send air for cooling the heat exchange device, and a cooling fan control unit configured to control the rotation of the cooling fan according to a set operating mode. The...