David Douglas
4Patents
3h-index
6Co-inventors
39Inventor score
Filing activity: Nov 27, 2000 → Aug 5, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6908558B2 | Fountain solution recycling system for commercial printers | Chemistry; Metallurgy | 8 | Expired |
| US7087159B2 | Fountain solution recycling system for commercial printers | Chemistry; Metallurgy | 4 | Expired |
| US6405996B1 | Control valve for extreme temperatures and pressures | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7112282B2 | Fountain solution recycling system for commercial printers | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.