John Edward
3Patents
3h-index
4Co-inventors
47Inventor score
Filing activity: Sep 21, 1978 → Sep 7, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6681792B2 | Reduced-length sleeve valve | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4312221A | Hardness tester mounting apparatus | Physics | 5 | Expired |
| US4199976A | Hardness testing apparatus | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.