David W. Lipp
8Patents
7h-index
13Co-inventors
60Inventor score
Filing activity: Feb 13, 1978 → Jun 19, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4174152A | Electrochromic devices with polymeric electrolytes | Physics | 201 | Expired |
| US6939443B2 | Anionic functional promoter and charge control agent | Textiles; Paper | 66 | Expired |
| US4888106A | Method of using polymeric sulfide mineral depressants | Performing Operations; Transporting | 19 | Expired |
| US4744893A | Polymeric sulfide mineral depressants | Performing Operations; Transporting | 17 | Expired |
| US4902764A | Polymeric sulfide mineral depressants | Performing Operations; Transporting | 15 | Expired |
| US4866150A | Polymeric sulfide mineral depressants | Performing Operations; Transporting | 11 | Expired |
| US4328141A | Stabilization of rosin dispersions with low molecular weight non-ionic polymers | Chemistry; Metallurgy | 8 | Expired |
| US4717550A | Process for purifying alumina | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.