Inventor · disambiguated record
Robert E. Brewer
Also filed as: BEMELMANS CHRISTEL M A · BREWER ROBERT E
23 granted patents·4 pending applications·414 citations·filing 1990–2010
97Inventor score
Files withPHELPS DODGE CORP21FREEPORT MCMORAN CORP4AMERICAN BARRICK RESOURCES COR1PHELPHS DODGE CORP1
Top patents by PatentIndex Score
27 records- 0196US7517384B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2006·Granted Apr 14, 2009·11 cites·19 claims
- 0296US7125436B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2005·Granted Oct 24, 2006·13 cites·7 claims
- 0396US6451088B1Method for improving metals recovery using high temperature leachingPHELPS DODGE CORP·Filed 2001·Granted Sep 17, 2002·34 cites·15 claims
- 0495US7485216B2Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extractionPHELPS DODGE CORP·Filed 2005·Granted Feb 3, 2009·14 cites·20 claims
- 0593US6626979B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted Sep 30, 2003·23 cites·19 claims
- 0693US5071477AProcess for recovery of gold from refractory oresAMERICAN BARRICK RESOURCES COR·Filed 1990·Granted Dec 10, 1991·99 cites·15 claims
- 0792US8012318B2Process for multiple stage direct electrowinning of copperFREEPORT MCMORAN CORP·Filed 2010·Granted Sep 6, 2011·8 cites·11 claims
- 0892US6680034B2Method for recovering metal values from metal-containing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2001·Granted Jan 20, 2004·22 cites·20 claims
- 0992US6451089B1Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2001·Granted Sep 17, 2002·24 cites·23 claims
- 1091US7041152B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2005·Granted May 9, 2006·6 cites·13 claims
- 1191US6972107B2System for direct electrowinning of copperPHELPS DODGE CORP·Filed 2003·Granted Dec 6, 2005·20 cites·14 claims
- 1290US7666371B2Method for recovering metal values from metal-containing materials using high temperature pressure leachingFREEPORT MCMORAN CORP·Filed 2007·Granted Feb 23, 2010·6 cites·4 claims
- 1390US7462272B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2005·Granted Dec 9, 2008·9 cites·19 claims
- 1489US6663689B2Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2002·Granted Dec 16, 2003·17 cites·11 claims
- 1588US7736488B2Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extractionFREEPORT MCMORAN CORP·Filed 2008·Granted Jun 15, 2010·6 cites·20 claims
- 1688US7722756B2Process for multiple stage direct electrowinning of copperFREEPORT MCMORAN CORP·Filed 2008·Granted May 25, 2010·5 cites·12 claims
- 1788US7341700B2Method for recovery of metals from metal-containing materials using medium temperature pressure leachingPHELPS DODGE CORP·Filed 2004·Granted Mar 11, 2008·23 cites·15 claims
- 1888US6893482B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2003·Granted May 17, 2005·14 cites·21 claims
- 1985US6676909B2Method for recovery of metals from metal-containing materials using medium temperature pressure leachingPHELPHS DODGE CORP·Filed 2001·Granted Jan 13, 2004·26 cites·9 claims
- 2085US6497745B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2001·Granted Dec 24, 2002·12 cites·18 claims
- 2178US7476308B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2004·Granted Jan 13, 2009·11 cites·50 claims
- 2275US7473413B2Method for recovering metal values from metal-containing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2004·Granted Jan 6, 2009·6 cites·9 claims
- 2373US6890371B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted May 10, 2005·5 cites·18 claims
- 2461US2008216606A1Method for recovery of metals from metal-containing materials using medium temperature pressure leachingPHELPS DODGE CORP·Filed 2008·Application pending·0 cites
- 2560US2006191377A1Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2006·Application pending·0 cites
- 2658US2006196313A1Method for recovering copper from copper-containing materials using direct electrowinningPHELPS DODGE CORP·Filed 2005·Application pending·0 cites
- 2744US2005126923A1Process for recovery of copper from copper-bearing material using medium temperature pressure leaching, direct electrowinning and solvent/solution extractionPHELPS DODGE CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →