Daniel C. Briggs
14Patents
10h-index
13Co-inventors
69Inventor score
Filing activity: Feb 22, 1990 → Mar 23, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5144190A | Light source having desired color temperature and chromaticity | Physics | 77 | Expired |
| US5059146A | Method of adjusting a light source for color temperature and chromaticity | Physics | 58 | Expired |
| US8435175B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 58 | Active |
| US9332898B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 41 | Active |
| US9883792B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 35 | Active |
| US5144201A | Low watt metal halide lamp | Electricity | 33 | Expired |
| US5138228A | Bulb geometry for low power metal halide lamp | Electricity | 21 | Expired |
| US7553020B2 | Medical diagnostic instrument with variable focus liquid lens | Human Necessities | 16 | Active |
| US8821395B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 12 | Active |
| US5117154A | Metal halide discharge lamp with improved shank loading factor | Electricity | 11 | Expired |
| US10376138B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 2 | Active |
| US11291359B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US12262878B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US9949633B2 | Vaginal speculum apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.