Ralf Speetzen
9Patents
4h-index
14Co-inventors
50Inventor score
Filing activity: May 20, 2003 → Nov 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7305972B2 | Method of controlling an internal combustion engine | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US7272486B2 | Method of controlling an internal combustion engine with a common rail fuel injection system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6725824B2 | Internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7769530B2 | Process for the open-and closed-loop control of an internal combustion engine with a common rail system including individual accumulators | Emerging Cross-Sectional Technologies | 5 | Active |
| US8214131B2 | Method for controlling an internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7788018B2 | Method for controlling an internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Active |
| US7493887B2 | Method for detecting preinjection | Emerging Cross-Sectional Technologies | 1 | Active |
| US9617962B2 | Common-rail system, internal combustion engine and device and method for controlling and/or regulating an internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11073079B2 | Method for operating an internal combustion engine, and internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.