Robert Hammell
2Patents
2h-index
13Co-inventors
34Inventor score
Filing activity: Dec 28, 2001 → Feb 25, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6685003B2 | Pulse-free escalator | Performing Operations; Transporting | 7 | Expired |
| US7753175B2 | Elevator car having an angled underslung roping arrangement | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.