Inventor
WITTIG FRANK MICHAEL
DE3 patents
Patents
3 patentsUS6880328B2Apr 19, 2005
Exhaust system of a multi-cylinder internal combustion engine and a method of cleaning an exhaust gas
VOLKSWAGEN AG15 citations79
US6901742B1Jun 7, 2005
Method for detecting the state of a catalytic converter system
VOLKSWAGEN AG6 citations59
US11236659B2Feb 1, 2022
Diagnostic method and device for checking the functionality of a component for exhaust-gas aftertreatment
VOLKSWAGEN AG0 citations46