David F. Purdy
4Patents
3h-index
5Co-inventors
39Inventor score
Filing activity: May 7, 2003 → Oct 19, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6863830B1 | Dual layer tablet, method of making and use thereof | Chemistry; Metallurgy | 58 | Expired |
| US7625496B2 | Solid composition for treating water | Chemistry; Metallurgy | 3 | Active |
| US7238290B2 | Catalytic oxidation of peroxy salts | Chemistry; Metallurgy | 3 | Expired |
| US7780857B2 | Solid composition for treating water | Chemistry; Metallurgy | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.