Frank Holl
2Patents
2h-index
6Co-inventors
27Inventor score
Filing activity: Oct 9, 2001 → Dec 21, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6644623B1 | Electromagnetic valve | Performing Operations; Transporting | 31 | Expired |
| US6851659B2 | Valve seating system | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.