ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,741, issued on Dec. 23, was assigned to DN SOLUTIONS Co. LTD. (Changwon, South Korea).

"Utilities supply apparatus for tool holder of machine tool" was invented by Yonghyun Hwang (Changwon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Utilities supplied through a first utility path of a turning tool holder via a docking device is supplied to a second utility path of an adjacent rotating tool holder through a communication arrangement, there is no need to provide a complex hydraulic line, a pneumatic line and a coupler for receiving the utilities from the docking device at a rearward side of the rotating tool holder. A rearward size of ...