Geoffrey Howells
6Patents
4h-index
3Co-inventors
50Inventor score
Filing activity: Aug 21, 1985 → Oct 8, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4717006A | Coin discriminating apparatus using coil pulses of different lengths | Physics | 21 | Expired |
| US4881918A | Coin and disc sorting | Physics | 18 | Expired |
| US7584833B2 | Coin discriminators | Physics | 17 | Expired |
| US4805754A | Coin detection device | Physics | 7 | Expired |
| US6851541B1 | Discriminator for bimetallic coins | Physics | 3 | Expired |
| US7537099B2 | Coin discriminator where frequencies of eddy currents are measured | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.