Derek H. Dyett
29Patents
6h-index
27Co-inventors
65Inventor score
Filing activity: Jul 3, 1978 → Sep 9, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5413121A | Cigarette making machine | Human Necessities | 17 | Expired |
| US5626152A | Cigarette making machine | Human Necessities | 8 | Expired |
| US4580939A | Feeding device for cigarette filters and similar rods | Human Necessities | 7 | Expired |
| US4372327A | Cutting head for a cigarette filter attachment machine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4463766A | Cigarette and cigarette filter making machine | Electricity | 7 | Expired |
| US4352604A | Feeding device for cigarette filters and similar rods | Human Necessities | 6 | Expired |
| US4207907A | Cigarette making machine | Human Necessities | 5 | Expired |
| US4483349A | Filter cigarette making machine | Human Necessities | 4 | Expired |
| US5560515A | Cigarette weight control | Human Necessities | 4 | Expired |
| US5816261A | Cigarette rod cutting | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5479947A | Cigarette making machine | Performing Operations; Transporting | 4 | Expired |
| US5494053A | Cigarette making machine | Human Necessities | 4 | Expired |
| US4290518A | Filter attachment machines | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5743275A | Cigarette making machine | Human Necessities | 3 | Expired |
| US5370136A | Cigarette making machine | Human Necessities | 3 | Expired |
| US5622189A | Cigarette making machine | Human Necessities | 3 | Expired |
| US4570644A | Cigarette making machine hopper | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4572352A | Apparatus for conveying rod-like articles | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4438774A | Cigarette conveying drums | Human Necessities | 3 | Expired |
| US4276891A | Trimming devices for cigarette-making machines | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4305409A | Cigarette making machines | Human Necessities | 1 | Expired |
| USRE31777E | Feeding device for cigarette filters and similar rods | General | 1 | Expired |
| US5715838A | Cigarette manufacture | Human Necessities | 1 | Expired |
| US4499910A | Cutting head for a cigarette filter attachment machine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4452172A | Gummer for cigarette filter attachment machines | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.