Jan Dahlgren
16Patents
5h-index
10Co-inventors
63Inventor score
Filing activity: May 29, 1991 → Jul 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5304336A | Method of producing a volumetric flow control valve | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5421718A | Method for producing a volumetric flow central value | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5259356A | Device at internal combustion engine with fuel injection | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5143038A | Internal combustion engine with delayed charging | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5209209A | Device at intake systems for internal combustion engines | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9376951B2 | Exhaust gas aftertreatment device | Emerging Cross-Sectional Technologies | 2 | Active |
| US8950175B2 | Exhaust-gas aftertreatment device | Emerging Cross-Sectional Technologies | 2 | Active |
| US10190466B2 | Pressure differentiated exhaust aftertreatment device | Emerging Cross-Sectional Technologies | 1 | Active |
| US6439197B1 | Method of controlling the ignition in an internal combustion engine and engine with means for carrying out the method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10066529B2 | Pressure differentiated exhaust aftertreatment device | Emerging Cross-Sectional Technologies | 0 | Active |
| US10107166B2 | Catalytic converter and exhaust-gas aftertreatment arrangement | Emerging Cross-Sectional Technologies | 0 | Active |
| US11154806B2 | Method for controlling filtering efficiency of a filter for an exhaust aftertreatment system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11774310B2 | Pressure sensor system for charge air load control | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US5542386A | Intake system for multiple cylinder combustion engines | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11168630B2 | Preconditioning method for a particulate filter | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10876434B2 | Method and system for camshaft positioning calibration | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.