Bernd Krutzsch
35Patents
17h-index
91Co-inventors
84Inventor score
Filing activity: Apr 16, 1993 → Sep 14, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5771686A | Method and apparatus for operating a diesel engine | Emerging Cross-Sectional Technologies | 109 | Expired |
| US6170259A | Emission control system for an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 86 | Expired |
| US5921076A | Process and apparatus for reducing nitrogen oxides in engine emissions | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5910097A | Internal combustion engine exhaust emission control system with adsorbers for nitrogen oxides | Mechanical Engineering; Lighting; Heating | 53 | Expired |
| US5479775A | Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides | Emerging Cross-Sectional Technologies | 51 | Expired |
| US6176079A | Process and apparatus for reducing nitrogen-oxide emissions in exhaust gas | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6823667B2 | Method and device for treating diesel exhaust gas | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5586433A | Process and apparatus for selective catalyzed no-reduction in oxygen-containing exhaust gases | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6338244B1 | Exhaust gas purification process and apparatus with internal generation of ammonia for reducing nitrogen oxide | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US7210288B2 | Exhaust gas aftertreatment installation and method | Emerging Cross-Sectional Technologies | 37 | 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 |
| US6766642B2 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor | Emerging Cross-Sectional Technologies | 28 | 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 |
| US5457958A | Method and apparatus for reducing nitrogen oxides in the exhaust gas of an internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6141959A | Multi-cylinder air-compressing injection-type internal-combustion engine | Emerging Cross-Sectional Technologies | 19 | 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 |
| US6209316A | Method for running a diesel engine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6408620B1 | Exhaust-gas cleaning system with nitrogen oxide accumulator catalyst and sulphur oxide trap and operating method therefor | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6923941B2 | Filter assembly for an exhaust gas purification system | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7814747B2 | Exhaust gas aftertreatment installation and method | Emerging Cross-Sectional Technologies | 15 | Active |
| US8297046B2 | Exhaust gas aftertreatment installation and method | Emerging Cross-Sectional Technologies | 9 | Active |
| US6698190B2 | Device and method for cleansing exhaust gas | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6318073A | Process and system for purifying exhaust gases of an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.