ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,693, issued on Sept. 9, was assigned to ThyssenKrupp Federn und Stabilisatoren GmbH (Hagen, Germany) and thyssenkrupp AG (Essen, Germany).

"Spring assembly for a chassis, vehicle chassis comprising a spring assembly, method for producing a spring assembly for a vehicle chassis and use of a spring assembly" was invented by Karsten Westerhoff (Hattingen, Germany), Jan-Yves Schrage (Attendorn, Germany) and Marcel Gross (Dortmund, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spring assembly for a vehicle chassis may include a spring that features a coating, a spring support, and an intermediate layer. The intermediate layer can be arranged ...