Inventor · disambiguated record
Stephan Eckhoff
Also filed as: ECKHOFF STEPHAN
13 granted patents·13 pending applications·83 citations·filing 1997–2023
90Inventor score
Top patents by PatentIndex Score
26 records- 0192US8454917B2Nitrogen oxide storage catalytic converter for use in a motor vehicle in a close-coupled positionHOYER RUEDIGER·Filed 2010·Granted Jun 4, 2013·16 cites·14 claims
- 0283US8512658B2Method of depleting nitrous oxide in exhaust gas after-treatment for lean-burn enginesECKHOFF STEPHAN·Filed 2011·Granted Aug 20, 2013·11 cites·17 claims
- 0382US8475753B2Exhaust-gas aftertreatment system with catalytically active wall-flow filter with storage function upstream of catalytic converter with identical storage functionECKHOFF STEPHAN·Filed 2010·Granted Jul 2, 2013·8 cites·8 claims
- 0479US9482128B2Method for regenerating NOx storage catalytic converters of diesel engines with low-pressure EGRECKHOFF STEPHAN·Filed 2012·Granted Nov 1, 2016·5 cites·18 claims
- 0572US9587540B2Method and device for reactivating exhaust-gas purification systems of diesel engines with low-pressure EGRECKHOFF STEPHAN·Filed 2012·Granted Mar 7, 2017·3 cites·23 claims
- 0670US9328682B2Regulating strategy for a catalytic converter concept for exhaust-gas aftertreatment having a plurality of nitrogen oxide storage catalytic convertersHOYER RUEDIGER·Filed 2009·Granted May 3, 2016·6 cites·27 claims
- 0763US10799831B2SCR-active materialUMICORE AG & CO KG·Filed 2017·Granted Oct 13, 2020·0 cites·20 claims
- 0863US8383544B2Dual-stage method for the reactivation of thermally aged nitrogen oxide storage catalystsUMICORE AG & CO KG·Filed 2008·Granted Feb 26, 2013·3 cites·17 claims
- 0963US2020406191A1SCR-Active MaterialUMICORE AG & CO KG·Filed 2020·Application pending·0 cites
- 1059US8327625B2Method for regenerating soot filters in the exhaust gas system of a lean mix engine, and exhaust gas system thereforECKHOFF STEPHAN·Filed 2008·Granted Dec 11, 2012·2 cites·19 claims
- 1152US6001318AProcess for lowering nitrogen oxide levels in combustion engine exhaust gasDEGUSSA·Filed 1997·Granted Dec 14, 1999·20 cites·11 claims
- 1251US10989089B2Particle filter having SCR-active coatingUMICORE AG & CO KG·Filed 2017·Granted Apr 27, 2021·0 cites·22 claims
- 1350US2010055012A1Nitrogen oxide storage catalyst featuring a reduced desulfurization temperatureGRISSTEDE INA·Filed 2007·Application pending·0 cites
- 1448US2011120093A1Process and apparatus for purifying exhaust gases from an internal combustion engineECKHOFF STEPHAN·Filed 2009·Application pending·0 cites
- 1547US9719446B2Reduction of N2O in the exhaust gas of lean-burn petrol enginesUMICORE AG AND CO KG·Filed 2014·Granted Aug 1, 2017·0 cites·16 claims
- 1647US2025222443A1SCR Zeolite Catalysts for Reduced N2O FormationUMICORE AG & CO KG·Filed 2023·Application pending·0 cites
- 1747US2025196114A1SCR Zeolite Catalysts for Improved NOx ReductionUMICORE AG & CO KG·Filed 2023·Application pending·0 cites
- 1846US2010233051A1Nitrogen oxide storage catalyst featuring a reduced desulfurization temperatureUMICORE AG & CO KG·Filed 2010·Application pending·0 cites
- 1946US2010064665A1Method and desulfurizing nitrogen oxide storage catalysts in the exhaust gas system of a lean mix engineECKHOFF STEPHAN·Filed 2007·Application pending·0 cites
- 2045US2011258982A1Method for the on-board reactivation of thermally aged nitrogen oxide storage catalysts in motor vehicles having an internal combustion engine operated predominantly under lean conditionsUMICORE AG & CO KG·Filed 2007·Application pending·0 cites
- 2145US2016082427A1Desulfurization of nox storage catalystsUMICORE AG & CO KG·Filed 2014·Application pending·0 cites
- 2241US2010037597A1Exhaust emission control system for lean engines and method for operating the systemECKHOFF STEPHAN·Filed 2007·Application pending·0 cites
- 2341US2019060885A1Particle filter having scr-active coatingUMICORE AG & CO KG·Filed 2017·Application pending·0 cites
- 2441US2019105650A1Catalyst having scr-active coatingUMICORE AG & CO KG·Filed 2017·Application pending·0 cites
- 2540US2019176087A1SCR-Active Material Having Enhanced Thermal StabilityUMICORE AG & CO KG·Filed 2017·Application pending·0 cites
- 2636US6077489AOxidation catalyst for internal combustion enginesDEGUSSA·Filed 1998·Granted Jun 20, 2000·9 cites·8 claims
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