ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,179, issued on Jan. 28, was assigned to Hilti AG (Schaan, Liechtenstein).

"Drop protection for a battery" was invented by Varnim Goyal (Kaufering, Germany) and Bernd Ziegler (Schwabmuenchen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a system including at least one battery having at least one energy storage cell and a power-tool, wherein the system includes at least one acceleration sensor for detecting at least one acceleration value in an X, Y or Z direction, a device for measuring a voltage and a device for discharging the at least one energy storage cell. A system including at least one battery having at leas...