Robert J. Ferrell
6Patents
6h-index
11Co-inventors
49Inventor score
Filing activity: Mar 5, 1999 → Jul 23, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6197091A | Ozone purification process | Chemistry; Metallurgy | 30 | Expired |
| US6190436A | Ozone purification process | Chemistry; Metallurgy | 26 | Expired |
| US6197268A | Reduction of toxic substances in waste gas emissions | Performing Operations; Transporting | 18 | Expired |
| US6649132B1 | Process for the removal of impurities from gas streams | Performing Operations; Transporting | 15 | Expired |
| US6761863B2 | Process for the removal of impurities from gas streams | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6387348B1 | Method for treating spent caustic streams | Chemistry; Metallurgy | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.