Dirk Voigtlaender
12Patents
9h-index
34Co-inventors
68Inventor score
Filing activity: Jul 17, 1997 → May 1, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6170259A | Emission control system for an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 86 | Expired |
| US5910097A | Internal combustion engine exhaust emission control system with adsorbers for nitrogen oxides | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| US6176079A | Process and apparatus for reducing nitrogen-oxide emissions in exhaust gas | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6338244B1 | Exhaust gas purification process and apparatus with internal generation of ammonia for reducing nitrogen oxide | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6082100A | Method for operating a multicylinder internal combustion engine | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6662552B1 | Exhaust-gas cleaning system and method with internal ammonia generation, for the reduction of nitrogen oxides | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6161377A | Internal-combustion engine system having a nitrogen oxide storage catalyst and an operating process therefor | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6119450A | Process and system for purifying exhaust gases of an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6637189B1 | Method for the periodically desulfating a nitrogen oxide or sulfur oxide accumulator of an exhaust gas cleaning system | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6318073A | Process and system for purifying exhaust gases of an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6619108B2 | Method for identifying the state of an NOx storage catalyst | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7506631B2 | Internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.