Roger Barrett
5Patents
2h-index
9Co-inventors
44Inventor score
Filing activity: Apr 16, 1982 → Jan 5, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4471221A | Infra-red flame detector | Physics | 13 | Expired |
| US7427925B2 | Hazard detector | Physics | 2 | Expired |
| US5393732A | Triazole phosphoric acid derivatives and their use as herbicides | Chemistry; Metallurgy | 1 | Expired |
| US4835278A | Preparation of piperidinylcyclopentylheptenoic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
| US5922644A | Triazole phosphonic acid derivatives and their use as herbicides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.