ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,361, issued on June 2, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).

"Active spring unit" was invented by Roger Graaf (Vaals, Netherlands), Daniel Mainz (Herzogenrath, Germany), Paul Zandbergen (Wurselen, Germany), Nicole Zandbergen (Wurselen, Germany) and Ralf Hintzen (Aachen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an active spring unit for the sprung mounting of a wheel suspension element relative to a vehicle body. To provide an optimized active wheel suspension that is designed both for fast and for slow adjustments, provision is made according to the invention whereby the active spring u...