ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,716, issued on Oct. 6, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Method, processing unit, and computer program for ascertaining fill levels of a first exhaust gas catalytic converter and of a second exhaust gas catalytic converter" was invented by Michael Fey (Wiernsheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for ascertaining fill levels of first and second exhaust gas catalytic converters in an exhaust gas system downstream from an internal combustion engine with respect to at least one exhaust gas component. The method includes detecting, using a sensor upstream from the first exhaust gas catalytic converter...