Christopher Andrew Fleming
20Patents
11h-index
18Co-inventors
72Inventor score
Filing activity: Dec 18, 1984 → Feb 3, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6660059B2 | Method for thiosulfate leaching of precious metal-containing materials | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5536297A | Gold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leaching | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5785736A | Gold recovery from refractory carbonaceous ores by pressure oxidation, thiosulfate leaching and resin-in-pulp adsorption | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6344068B1 | Process for recovering gold from thiosulfate leach solutions and slurries with ion exchange resin | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7066983B2 | Method for thiosulfate leaching of precious metal-containing materials | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6451275B1 | Methods for reducing cyanide consumption in precious metal recovery by reducing the content of intermediate sulfur oxidation products therein | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7559974B2 | Method for thiosulfate leaching of precious metal-containing materials | Emerging Cross-Sectional Technologies | 16 | Active |
| US7704298B2 | Method for thiosulfate leaching of precious metal-containing materials | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6315812A | Oxidative pressure leach recovery using halide ions | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7604783B2 | Reduction of lime consumption when treating refractor gold ores or concentrates | Emerging Cross-Sectional Technologies | 12 | Active |
| US5411575A | Hydrometallurgical extraction process | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8821613B2 | Method for thiosulfate leaching of precious metal-containing materials | Emerging Cross-Sectional Technologies | 9 | Active |
| US8597399B2 | Method for thiosulfate leaching of precious metal-containing materials | Emerging Cross-Sectional Technologies | 8 | Active |
| US5320720A | Extraction of precious metals from ores thereof | Chemistry; Metallurgy | 6 | Expired |
| US4608176A | Regeneration of thiocyanate resins | Performing Operations; Transporting | 5 | Expired |
| US5667557A | Hydrometallurgical extraction and recovery of copper, gold, and silver via cyanidation and electrowinning | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8029751B2 | Reduction of lime consumption when treating refractory gold ores or concentrates | Emerging Cross-Sectional Technologies | 2 | Active |
| US6919030B2 | Process for recovering cyanide from copper-containing feed material | Performing Operations; Transporting | 2 | Expired |
| US5807421A | Hydrometallurgical extraction process | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5478538A | Removal of radioactivity from zircon | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.