ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,653, issued on Dec. 9, was assigned to Purem GmbH (Neunkirchen, Germany).
"Muffler and method for making a muffler" was invented by Thomas Beck (Aichwald, Germany) and Jurgen Haberle (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A muffler for an exhaust system of an internal combustion engine includes a muffler housing having a peripheral wall elongated along a longitudinal axis of the muffler housing. The peripheral wall has first and second end walls. A muffler insert is surrounded by the peripheral wall and is supported thereon. The muffler insert has a retaining wall extending in a direction of the longitudinal axis. The peri...