Inventor · disambiguated record
John O. Marsden
Also filed as: MARSDEN JOHN O
33 granted patents·5 pending applications·455 citations·filing 2001–2012
98Inventor score
Top patents by PatentIndex Score
38 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
- 0594US7736475B2System and method for producing copper powder by electrowinning using the ferrous/ferric anode reactionFREEPORT MCMORAN CORP·Filed 2008·Granted Jun 15, 2010·16 cites·19 claims
- 0694US7591934B2Apparatus for producing metal powder by electrowinningFREEPORT MCMORAN CORP·Filed 2008·Granted Sep 22, 2009·18 cites·20 claims
- 0794US7378010B2System and method for producing copper powder by electrowinning in a flow-through electrowinning cellPHELPS DODGE CORP·Filed 2005·Granted May 27, 2008·17 cites·8 claims
- 0893US7452455B2System and method for producing metal powder by electrowinningPHELPS DODGE CORP·Filed 2005·Granted Nov 18, 2008·15 cites·13 claims
- 0993US7393438B2Apparatus for producing metal powder by electrowinningPHELPS DODGE CORP·Filed 2005·Granted Jul 1, 2008·16 cites·19 claims
- 1093US6626979B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted Sep 30, 2003·23 cites·19 claims
- 1192US8012318B2Process for multiple stage direct electrowinning of copperFREEPORT MCMORAN CORP·Filed 2010·Granted Sep 6, 2011·8 cites·11 claims
- 1292US6680034B2Method 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
- 1392US6451089B1Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2001·Granted Sep 17, 2002·24 cites·23 claims
- 1491US7494580B2System and method for producing copper powder by electrowinning using the ferrous/ferric anode reactionPHELPS DODGE CORP·Filed 2005·Granted Feb 24, 2009·14 cites·13 claims
- 1591US7041152B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2005·Granted May 9, 2006·6 cites·13 claims
- 1691US6972107B2System for direct electrowinning of copperPHELPS DODGE CORP·Filed 2003·Granted Dec 6, 2005·20 cites·14 claims
- 1790US7736476B2System and method for producing metal powder by electrowinningFREEPORT MCMORAN CORP·Filed 2008·Granted Jun 15, 2010·10 cites·18 claims
- 1890US7736486B2System and method for producing copper power by electrowinning in a flow-through electrowinning cellFREEPORT MCMORAN CORP·Filed 2008·Granted Jun 15, 2010·9 cites·18 claims
- 1990US7666371B2Method 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
- 2090US7462272B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2005·Granted Dec 9, 2008·9 cites·19 claims
- 2189US7736487B2Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solution extractionFREEPORT MCMORAN CORP·Filed 2007·Granted Jun 15, 2010·10 cites·19 claims
- 2289US6663689B2Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2002·Granted Dec 16, 2003·17 cites·11 claims
- 2388US7736488B2Process 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
- 2488US7722756B2Process for multiple stage direct electrowinning of copperFREEPORT MCMORAN CORP·Filed 2008·Granted May 25, 2010·5 cites·12 claims
- 2588US7341700B2Method 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
- 2688US6893482B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2003·Granted May 17, 2005·14 cites·21 claims
- 2787US8016983B2System and method for producing copper powder by electrowinning in a flow-through electrowinning cellFREEPORT MCMORAN CORP·Filed 2010·Granted Sep 13, 2011·4 cites·10 claims
- 2885US8273237B2Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinningMARSDEN JOHN O·Filed 2009·Granted Sep 25, 2012·11 cites·5 claims
- 2985US6676909B2Method 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
- 3085US6497745B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2001·Granted Dec 24, 2002·12 cites·18 claims
- 3178US7476308B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2004·Granted Jan 13, 2009·11 cites·50 claims
- 3275US7473413B2Method 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
- 3373US6890371B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted May 10, 2005·5 cites·18 claims
- 3461US2008216606A1Method for recovery of metals from metal-containing materials using medium temperature pressure leachingPHELPS DODGE CORP·Filed 2008·Application pending·0 cites
- 3560US2006191377A1Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2006·Application pending·0 cites
- 3658US2006196313A1Method for recovering copper from copper-containing materials using direct electrowinningPHELPS DODGE CORP·Filed 2005·Application pending·0 cites
- 3755US2013001093A1Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinningFREEPORT MCMORAN CORP·Filed 2012·Application pending·0 cites
- 3844US2005126923A1Process 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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