Inventor
ECKHOFF STEPHAN
DE13 patents
⚠️ This page may combine multiple inventors who share the name “ECKHOFF STEPHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ECKHOFF STEPHAN
5 patentsUS8475753B2Jul 2, 2013
Exhaust-gas aftertreatment system with catalytically active wall-flow filter with storage function upstream of catalytic converter with identical storage function
ECKHOFF STEPHAN8 citations82
US8512658B2Aug 20, 2013
Method of depleting nitrous oxide in exhaust gas after-treatment for lean-burn engines
ECKHOFF STEPHAN11 citations78
US9587540B2Mar 7, 2017
Method and device for reactivating exhaust-gas purification systems of diesel engines with low-pressure EGR
ECKHOFF STEPHAN3 citations69
US9482128B2Nov 1, 2016
Method for regenerating NOx storage catalytic converters of diesel engines with low-pressure EGR
ECKHOFF STEPHAN5 citations69
US8327625B2Dec 11, 2012
Method for regenerating soot filters in the exhaust gas system of a lean mix engine, and exhaust gas system therefor
ECKHOFF STEPHAN2 citations60
UMICORE AG & CO KG
3 patentsUS10989089B2Apr 27, 2021
Particle filter having SCR-active coating
UMICORE AG & CO KG0 citations60
US8383544B2Feb 26, 2013
Dual-stage method for the reactivation of thermally aged nitrogen oxide storage catalysts
UMICORE AG & CO KG3 citations57
US10799831B2Oct 13, 2020
SCR-active material
UMICORE AG & CO KG0 citations50
DEGUSSA
2 patentsHOYER RUEDIGER
2 patentsUS8454917B2Jun 4, 2013
Nitrogen oxide storage catalytic converter for use in a motor vehicle in a close-coupled position
HOYER RUEDIGER16 citations81
US9328682B2May 3, 2016
Regulating strategy for a catalytic converter concept for exhaust-gas aftertreatment having a plurality of nitrogen oxide storage catalytic converters
HOYER RUEDIGER6 citations68