John Humphreys
3Patents
2h-index
5Co-inventors
41Inventor score
Filing activity: Mar 15, 1985 → Jul 15, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4563221A | Pigments and their manufacture | Chemistry; Metallurgy | 11 | Expired |
| USD932231S1 | Food preparation apparatus | General | 6 | Active |
| US10349783B2 | Food preparation apparatus | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.