Inventor
MUELLER WILFRIED
DE21 patents
⚠️ This page may combine multiple inventors who share the name “MUELLER WILFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
4 patentsUS6677264B1Jan 13, 2004
Catalyst for cleaning up the exhaust gases of a diesel engine
DEGUSSA92 citations98
US5928981AJul 27, 1999
Diesel catalytic converter
DEGUSSA71 citations96
US6220022B1Apr 24, 2001
Catalyst system for the treatment of exhaust gases from diesel engines
DEGUSSA22 citations92
US6145303ANov 14, 2000
Process for operating an exhaust gas treatment unit containing a sulfur trap and a nitrogen oxides storage catalyst
DEGUSSA55 citations92
UMICORE AG & CO KG
4 patentsUS7905087B2Mar 15, 2011
Method for regenerating nitrogen oxide storage catalysts
UMICORE AG & CO KG2 citations59
US7832201B2Nov 16, 2010
Method for regeneration a nitrogen oxide storage catalyst
UMICORE AG & CO KG4 citations59
US8383544B2Feb 26, 2013
Dual-stage method for the reactivation of thermally aged nitrogen oxide storage catalysts
UMICORE AG & CO KG3 citations57
US8991161B2Mar 31, 2015
DeNOx of diesel engine exhaust gases using a temperature-controlled precatalyst for providing NO2 in accordance with the requirements
UMICORE AG & CO KG0 citations48
STIHL ANDREAS
2 patentsECKHOFF STEPHAN
2 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
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