ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,654, issued on July 8, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Method for diagnosing an exhaust component in an exhaust passage for an internal combustion engine of a vehicle" was invented by Bernd Kraewer (Winnenden, Germany) and Maik Unverricht (Rutesheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for diagnosing an exhaust component in an exhaust passage for an internal combustion engine of a vehicle. In the method, operating parameters of the internal combustion engine are monitored and recorded by a control unit while the internal combustion engine is running. If a predefined emission threshold for the exhau...