ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,190, issued on Aug. 18, was assigned to Purem GmbH (Neunkirchen, Germany).

"Fuel-cell exhaust arrangement" was invented by Jochen Hammer (Stuttgart, Germany), Markus Birgler (Wernau, Germany), Patrick Schaller (Bopfingen, Germany), Peter Wink (Goeppingen, Germany) and Andreas Wacker (Plochingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel-cell exhaust arrangement for a fuel-cell system includes an exhaust line, through which exhaust gas can flow, and a muffler through which the exhaust gas can flow. The muffler includes a housing with an inlet region for exhaust gas and with an outlet region for exhaust gas. An upstream line sectio...