David K. Douden
5Patents
5h-index
1Co-inventors
45Inventor score
Filing activity: Oct 15, 1985 → Jun 19, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4971697A | Thin silica flakes and method of making | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4657810A | Fired hollow ceramic spheroids | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5104632A | Method of making thin silica flakes | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4769189A | Process for making hollow, ceramic spheroids | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4985380A | Method of making thin refractory flakes | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.