ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,886, issued on Feb. 18, was assigned to Hilti AG (Schaan, Liechtenstein).
"Method for operating a machine tool, and machine tool" was invented by Christian Koschel (Augsburg, Germany), Jan Friedmann (Denklingen, Germany) and Stoyanka Ivanova (Landberg am Lech, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a machine tool, in particular an angle grinder, including a tool rotatably bringable into operative connection with a driven shaft, the machine tool having a drive device for actuating the driven shaft, a control device for actuating the drive device and at least one sensor device operatively connected to the control...