Robert E. Brewer
23Patents
11h-index
12Co-inventors
72Inventor score
Filing activity: May 3, 1990 → Apr 29, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5071477A | Process for recovery of gold from refractory ores | Chemistry; Metallurgy | 61 | Expired |
| US6451088B1 | Method for improving metals recovery using high temperature leaching | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6626979B2 | Method for improving metals recovery using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7341700B2 | Method for recovery of metals from metal-containing materials using medium temperature pressure leaching | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6972107B2 | System for direct electrowinning of copper | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6676909B2 | Method for recovery of metals from metal-containing materials using medium temperature pressure leaching | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6451089B1 | Process for direct electrowinning of copper | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6663689B2 | Process for direct electrowinning of copper | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6680034B2 | Method for recovering metal values from metal-containing materials using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6893482B2 | Method for improving metals recovery using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7125436B2 | Method for improving metals recovery using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6497745B2 | Method for processing elemental sulfur-bearing materials using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7517384B2 | Method for improving metals recovery using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 9 | Active |
| US7485216B2 | Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction | Emerging Cross-Sectional Technologies | 9 | Active |
| US7476308B2 | Process for multiple stage direct electrowinning of copper | Emerging Cross-Sectional Technologies | 7 | Active |
| US7462272B2 | Process for multiple stage direct electrowinning of copper | Emerging Cross-Sectional Technologies | 7 | Active |
| US7736488B2 | Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction | Emerging Cross-Sectional Technologies | 6 | Active |
| US7666371B2 | Method for recovering metal values from metal-containing materials using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 5 | Active |
| US7473413B2 | Method for recovering metal values from metal-containing materials using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8012318B2 | Process for multiple stage direct electrowinning of copper | Emerging Cross-Sectional Technologies | 4 | Active |
| US7041152B2 | Method for processing elemental sulfur-bearing materials using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7722756B2 | Process for multiple stage direct electrowinning of copper | Emerging Cross-Sectional Technologies | 4 | Active |
| US6890371B2 | Method for processing elemental sulfur-bearing materials using high temperature pressure leaching | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.