ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,039, issued on Oct. 28, was assigned to Hilti AG (Schaan, Liechtenstein).
"Method for operating a machine tool and machine tool" was invented by Qin Liu (Oberschleissheim, Germany), Bernd Gillmeier (Landsberg, Germany) and Stefan Schmid (Untermuehlhausen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a machine tool having a battery and an electric motor which is designed to rotationally drive an output shaft that can be coupled to a tool, is described, a control device for actuating the electric motor and a device for determining a parameter being provided. The machine tool can be operated in a first operating mode an...