Inventor
STREHLAU WOLFGANG
DE23 patents
⚠️ This page may combine multiple inventors who share the name “STREHLAU WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
9 patentsUS6677264B1Jan 13, 2004
Catalyst for cleaning up the exhaust gases of a diesel engine
DEGUSSA92 citations98
US6338831B1Jan 15, 2002
Storage material for sulfur oxides
DEGUSSA57 citations96
US6516611B1Feb 11, 2003
Process and device for removing soot from the exhaust gas of a diesel engine
DEGUSSA30 citations92
US6216449B1Apr 17, 2001
Process for evaluating performance deterioration of a nitrogen oxide storage catalyst
DEGUSSA37 citations92
US6171565B1Jan 9, 2001
Process for the operation of a nitrogen oxides storage catalyst
DEGUSSA42 citations92
US6145303ANov 14, 2000
Process for operating an exhaust gas treatment unit containing a sulfur trap and a nitrogen oxides storage catalyst
DEGUSSA55 citations92
US6089015AJul 18, 2000
Method of purifying a lean exhaust gas and catalytic system therefor
DEGUSSA40 citations92
US6238525B1May 29, 2001
Process for reducing the nitrogen oxides content of exhaust gas from an internal combustion engine
DEGUSSA17 citations84
US6534439B2Mar 18, 2003
Catalyst for reducing nitrogen oxides in oxidizing and reducing atmospheres
DEGUSSA5 citations60
JOHNSON MATTHEY PLC
4 patentsUS10213768B2Feb 26, 2019
NOx trap
JOHNSON MATTHEY PLC7 citations84
US10532344B2Jan 14, 2020
NOx trap
JOHNSON MATTHEY PLC3 citations73
US11179706B2Nov 23, 2021
Lean NOx trap catalyst
JOHNSON MATTHEY PLC2 citations67
US12343707B2Jul 1, 2025
Catalyst article having high local rhodium concentration
JOHNSON MATTHEY PLC0 citations58