Stephan Eckhoff
13Patents
5h-index
31Co-inventors
66Inventor score
Filing activity: Dec 22, 1997 → Aug 11, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6001318A | Process for lowering nitrogen oxide levels in combustion engine exhaust gas | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US8454917B2 | Nitrogen oxide storage catalytic converter for use in a motor vehicle in a close-coupled position | Emerging Cross-Sectional Technologies | 14 | Active |
| US8512658B2 | Method of depleting nitrous oxide in exhaust gas after-treatment for lean-burn engines | Emerging Cross-Sectional Technologies | 9 | Active |
| US8475753B2 | Exhaust-gas aftertreatment system with catalytically active wall-flow filter with storage function upstream of catalytic converter with identical storage function | Emerging Cross-Sectional Technologies | 7 | Active |
| US9328682B2 | Regulating strategy for a catalytic converter concept for exhaust-gas aftertreatment having a plurality of nitrogen oxide storage catalytic converters | Emerging Cross-Sectional Technologies | 6 | Active |
| US6077489A | Oxidation catalyst for internal combustion engines | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9482128B2 | Method for regenerating NOx storage catalytic converters of diesel engines with low-pressure EGR | Emerging Cross-Sectional Technologies | 4 | Active |
| US9587540B2 | Method and device for reactivating exhaust-gas purification systems of diesel engines with low-pressure EGR | Emerging Cross-Sectional Technologies | 2 | Active |
| US8383544B2 | Dual-stage method for the reactivation of thermally aged nitrogen oxide storage catalysts | Performing Operations; Transporting | 1 | Active |
| US8327625B2 | Method for regenerating soot filters in the exhaust gas system of a lean mix engine, and exhaust gas system therefor | Emerging Cross-Sectional Technologies | 1 | Active |
| US10989089B2 | Particle filter having SCR-active coating | Emerging Cross-Sectional Technologies | 0 | Active |
| US10799831B2 | SCR-active material | Emerging Cross-Sectional Technologies | 0 | Active |
| US9719446B2 | Reduction of N2O in the exhaust gas of lean-burn petrol engines | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.