Patrick Helfrich
2Patents
2h-index
5Co-inventors
33Inventor score
Filing activity: Jun 30, 2005 → Apr 20, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8177755B2 | Access sheath with central seal | Human Necessities | 18 | Active |
| US7608073B2 | Energy based partial circumferential hemorrhoid repair device | Human Necessities | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.