John Powell
3Patents
3h-index
3Co-inventors
47Inventor score
Filing activity: Oct 6, 1978 → Aug 3, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4306629A | Pneumatic weighing device and method | Physics | 14 | Expired |
| US7810721B2 | Systems and method for vending machine settlement | Physics | 9 | Active |
| US4216053A | Recovery of ammonium decavanadate from aqueous solution | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.