David Dear
11Patents
3h-index
10Co-inventors
57Inventor score
Filing activity: Sep 7, 1999 → Mar 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD445341S | Fly clock | General | 5 | Expired |
| US6412775B1 | Compatibility-testing amusement device with an electrical circuit | Human Necessities | 5 | Expired |
| US6402584B1 | Flapping heart amusement device | Human Necessities | 4 | Expired |
| US7153022B2 | Solar powered rainbow maker | Physics | 3 | Expired |
| USD468661S1 | Solar powered rainbow making device | General | 3 | Expired |
| US9013775B2 | Rotating spectral display device | Physics | 3 | Active |
| USD591619S1 | Talking clock | General | 1 | Expired |
| USD709795S1 | Solar powered rotating crystal | General | 1 | Active |
| USD1071007S1 | Bus toy | General | 0 | Active |
| USD587391S1 | Battery-operated novelty illuminating device | General | 0 | Expired |
| USD1030912S1 | Car toy | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.