Assignee
PHELPS DODGE CORP
US·35 granted patents·6 pending applications·494 citations·filing 1976–2008
Top patents by PatentIndex Score
41 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
- 0594US7378010B2System 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
- 0693US7452455B2System and method for producing metal powder by electrowinningPHELPS DODGE CORP·Filed 2005·Granted Nov 18, 2008·15 cites·13 claims
- 0793US7393438B2Apparatus for producing metal powder by electrowinningPHELPS DODGE CORP·Filed 2005·Granted Jul 1, 2008·16 cites·19 claims
- 0893US6626979B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted Sep 30, 2003·23 cites·19 claims
- 0992US6680034B2Method 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
- 1092US6451089B1Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2001·Granted Sep 17, 2002·24 cites·23 claims
- 1192US4594132AChloride hydrometallurgical process for production of copperPHELPS DODGE CORP·Filed 1984·Granted Jun 10, 1986·37 cites·16 claims
- 1291US7494580B2System 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
- 1391US7041152B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2005·Granted May 9, 2006·6 cites·13 claims
- 1491US6972107B2System for direct electrowinning of copperPHELPS DODGE CORP·Filed 2003·Granted Dec 6, 2005·20 cites·14 claims
- 1590US7462272B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2005·Granted Dec 9, 2008·9 cites·19 claims
- 1690US7368049B2Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anodePHELPS DODGE CORP·Filed 2005·Granted May 6, 2008·12 cites·2 claims
- 1789US6663689B2Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2002·Granted Dec 16, 2003·17 cites·11 claims
- 1888US7341700B2Method 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
- 1988US6893482B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2003·Granted May 17, 2005·14 cites·21 claims
- 2088US6398939B1Method and apparatus for controlling flow in an electrodeposition processPHELPS DODGE CORP·Filed 2001·Granted Jun 4, 2002·41 cites·28 claims
- 2185US6497745B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2001·Granted Dec 24, 2002·12 cites·18 claims
- 2278US7476308B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2004·Granted Jan 13, 2009·11 cites·50 claims
- 2375US7473413B2Method 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
- 2473US6890371B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted May 10, 2005·5 cites·18 claims
- 2572US7378011B2Method and apparatus for electrowinning copper using the ferrous/ferric anode reactionPHELPS DODGE CORP·Filed 2003·Granted May 27, 2008·5 cites·20 claims
- 2670US4165264AAmmonia leachingPHELPS DODGE CORP·Filed 1978·Granted Aug 21, 1979·15 cites·7 claims
- 2769US6872288B2Apparatus for controlling flow in an electrodeposition processPHELPS DODGE CORP·Filed 2002·Granted Mar 29, 2005·8 cites·2 claims
- 2861US2008216606A1Method for recovery of metals from metal-containing materials using medium temperature pressure leachingPHELPS DODGE CORP·Filed 2008·Application pending·0 cites
- 2960US4045211AMethod for increasing radiant heat transfer from hot gasesPHELPS DODGE CORP·Filed 1976·Granted Aug 30, 1977·8 cites·4 claims
- 3060US2006191377A1Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2006·Application pending·0 cites
- 3158US7656311B2Position tracking and proximity warning systemPHELPS DODGE CORP·Filed 2007·Granted Feb 2, 2010·7 cites·17 claims
- 3258US2008047839A1Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anodePHELPS DODGE CORP·Filed 2007·Application pending·0 cites
- 3358US2008105556A1Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anodePHELPS DODGE CORP·Filed 2007·Application pending·0 cites
- 3458US2006196313A1Method for recovering copper from copper-containing materials using direct electrowinningPHELPS DODGE CORP·Filed 2005·Application pending·0 cites
- 3555US4422624AConcentrate burnerPHELPS DODGE CORP·Filed 1981·Granted Dec 27, 1983·14 cites·10 claims
- 3649US7431810B2Apparatus for controlling flow in an electrodeposition processPHELPS DODGE CORP·Filed 2004·Granted Oct 7, 2008·0 cites·8 claims
- 3744US2005126923A1Process 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
- 3840US4384890ACupric chloride leaching of copper sulfidesPHELPS DODGE CORP·Filed 1982·Granted May 24, 1983·9 cites·13 claims
- 3938US4379711AApparatus and method for visually monitoring an ion exchange fluidized bedPHELPS DODGE CORP·Filed 1981·Granted Apr 12, 1983·4 cites·6 claims
- 4031US4298466AApparatus and method for visually monitoring an ion exchange fluidized bedPHELPS DODGE CORP·Filed 1980·Granted Nov 3, 1981·1 cites·10 claims
- 4129US5820066AMethods and apparatus for laying fluid distribution linesPHELPS DODGE CORP·Filed 1997·Granted Oct 13, 1998·7 cites·29 claims
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