Klaus Bartmann
3Patents
2h-index
3Co-inventors
41Inventor score
Filing activity: Mar 25, 1977 → Nov 25, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4690226A | Hammer drill | Fixed Constructions | 10 | Expired |
| US4116454A | Chuck for hammerdrills and the like | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6190099A | Motor-driven hand tool | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.