US Patent Issued to ZF Friedrichshafen on Jan. 20 for "Vibration damper having two adjustable damping valve devices" (German Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,408, issued on Jan. 20, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Vibration damper having two adjustable damping valve devices" was invented by Stefan Schmitt (Gochsheim, Germany), Bernd Zeissner (Volkach, Germany) and Lukas Ruhmann (Gremsdorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a vibration damper comprising two adjustable damping valve devices, wherein a damping valve device is connected to a piston-rod-side working chamber via a fluid connection and a damping valve device is connected to a working chamber spaced apart from a piston rod within a cylinder filled with damping medi...