US Patent Issued to Purem on Nov. 11 for "Muffler, exhaust system including a muffler, and method of making a muffler for an exhaust system" (German Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,392, issued on Nov. 11, was assigned to Purem GmbH (Neunkirchen, Germany).

"Muffler, exhaust system including a muffler, and method of making a muffler for an exhaust system" was invented by Martin Wagmann (St. Wendel, Germany) and Felix Hacklander (Esslingen, 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 at least one muffler component with a perforation defined by a plurality of through-flow openings in a wall of the muffler component. The through-flow openings can be flowed through in a flow direction in the direction from an upstream side of the wall to a downstrea...