John R. Crampton
3Patents
3h-index
4Co-inventors
43Inventor score
Filing activity: Jan 28, 1983 → Apr 2, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4657881A | Absorbent materials | Performing Operations; Transporting | 42 | Expired |
| US4591581A | Method for making absorbent materials | Human Necessities | 33 | Expired |
| US5397475A | Purification of hydrogen peroxide | Performing Operations; Transporting | 16 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.