Fred Karl
5Patents
3h-index
5Co-inventors
42Inventor score
Filing activity: Sep 3, 2002 → Feb 27, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6761725B1 | Percutaneous entry system and method | Human Necessities | 54 | Expired |
| US7666201B2 | Spreading instrument | Human Necessities | 19 | Expired |
| US8057499B2 | Ergonomic hand instrument | Human Necessities | 3 | Active |
| US8603130B2 | Instrument for engaging a body structure | Human Necessities | 1 | Active |
| US8690904B2 | Percutaneous access conduit | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.