John Groppo
6Patents
5h-index
6Co-inventors
52Inventor score
Filing activity: Jul 27, 1990 → Jun 13, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5817230A | Method for improving the pozzolanic character of fly ash | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7328805B2 | Method and system for beneficiating gasification slag | Chemistry; Metallurgy | 20 | Expired |
| US5116487A | Froth flotation method for recovery of ultra-fine constituent | Performing Operations; Transporting | 17 | Expired |
| US5456363A | Method of removing carbon from fly ash | Performing Operations; Transporting | 16 | Expired |
| US6533848B1 | Technology and methodology for the production of high quality polymer filler and super-pozzolan from fly ash | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7963398B2 | Method for hydraulically separating carbon and classifying coal combustion ash | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.