Assignee
ECKHOFF STEPHAN
DE·5 granted patents·3 pending applications·29 citations·filing 2007–2012
Top patents by PatentIndex Score
8 records- 0183US8512658B2Method of depleting nitrous oxide in exhaust gas after-treatment for lean-burn enginesECKHOFF STEPHAN·Filed 2011·Granted Aug 20, 2013·11 cites·17 claims
- 0282US8475753B2Exhaust-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
- 0379US9482128B2Method for regenerating NOx storage catalytic converters of diesel engines with low-pressure EGRECKHOFF STEPHAN·Filed 2012·Granted Nov 1, 2016·5 cites·18 claims
- 0472US9587540B2Method 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
- 0559US8327625B2Method 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
- 0648US2011120093A1Process and apparatus for purifying exhaust gases from an internal combustion engineECKHOFF STEPHAN·Filed 2009·Application pending·0 cites
- 0746US2010064665A1Method and desulfurizing nitrogen oxide storage catalysts in the exhaust gas system of a lean mix engineECKHOFF STEPHAN·Filed 2007·Application pending·0 cites
- 0841US2010037597A1Exhaust emission control system for lean engines and method for operating the systemECKHOFF STEPHAN·Filed 2007·Application pending·0 cites
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