ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,762, issued on July 15, was assigned to Sanofi-Aventis Deutschland GMBH (Frankfurt am Main, Germany).

"Metering mechanism and injection device" was invented by Michael Dahmen (Kronberg, Germany) and Hannes Obex (Dusseldorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a metering mechanism for an injection device. The mechanism comprises an actuating element for setting or discharging a dose from the injection device, a piston rod for producing an advance movement for dispensing a dose, a piston rod sleeve in which the piston rod is accommodated such that the piston rod can be non-rotatably connected to the p...