Rainer Hellberg
1Patents
1h-index
2Co-inventors
22Inventor score
Filing activity: Oct 26, 1977 → Oct 26, 1977
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4176644A | Engine ignition system with variable spark internal duration | Mechanical Engineering; Lighting; Heating | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.