ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,806, issued on June 17, was assigned to BeijingWest Industries Co. Ltd. (Beijing).
"Telescopic passive damper" was invented by Piotr Krzysztof Jarzabek (Wieliczka, Poland) and Mateusz Szymon Sarapata (Wysoka, Poland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A damper assembly comprises a monotube damper and a twintube damper in a telescopic configuration. A first piston is connected to a rod and is slidably disposed within a first tube. A second tube and a third tube are each disposed coaxially around the monotube damper, with the third tube disposed within the second tube and defining an annular chamber therebetween. A second piston is connecte...