US Patent Issued to Hilti on Sept. 16 for "Pyrotechnic driving device" (Austrian, German Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,260, issued on Sept. 16, was assigned to Hilti AG (Schaan, Liechtenstein).

"Pyrotechnic driving device" was invented by Karl Franz (Oppenweiler, Germany) and Matthias Blessing (Frastanz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driving device, comprising a hand-held housing with a piston element arranged therein for the transmission of energy to a fastening element to be driven in a driving direction, a propellant charge, and a combustion chamber, which is arranged between the propellant charge and the piston element and extends around a central axis, and an actuator, by which the energy to be transmitted from the propellant charge ...