Helmut Scheffel
3Patents
1h-index
17Co-inventors
41Inventor score
Filing activity: Feb 8, 2005 → Feb 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7143738B2 | Direct-injection spark-ignition internal combustion engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9845893B2 | Exhaust gate | Emerging Cross-Sectional Technologies | 1 | Active |
| US7013864B2 | Fuel injector | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.