Inventor · disambiguated record
David R. Baughman
Also filed as: BAUGHMAN DAVID R · BAUGHMAN DAVID ROSS · ROBERTSON JOANNA M
36 granted patents·6 pending applications·440 citations·filing 1982–2019
98Inventor score
Files withPHELPS DODGE CORP21FREEPORT MCMORAN CORP8ENVIRONMENTAL PROJECTS INC3FREEPORT MINERALS CORP2GILLASPIE JAMES D2
Top patents by PatentIndex Score
42 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
- 0692US8012318B2Process for multiple stage direct electrowinning of copperFREEPORT MCMORAN CORP·Filed 2010·Granted Sep 6, 2011·8 cites·11 claims
- 0792US6680034B2Method 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
- 0892US6451089B1Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2001·Granted Sep 17, 2002·24 cites·23 claims
- 0991US7041152B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2005·Granted May 9, 2006·6 cites·13 claims
- 1091US6972107B2System for direct electrowinning of copperPHELPS DODGE CORP·Filed 2003·Granted Dec 6, 2005·20 cites·14 claims
- 1190US7666371B2Method 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
- 1290US7462272B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2005·Granted Dec 9, 2008·9 cites·19 claims
- 1389US7736487B2Process 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
- 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
- 1987US8920773B2Systems and methods for metal recoveryFREEPORT MCMORAN CORP·Filed 2012·Granted Dec 30, 2014·4 cites·20 claims
- 2086US9102999B2Methods of recovering scandium from titanium residue streamsBLOOM ENERGY CORP·Filed 2014·Granted Aug 11, 2015·8 cites·25 claims
- 2185US6676909B2Method 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
- 2285US6497745B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2001·Granted Dec 24, 2002·12 cites·18 claims
- 2384US7691347B2Silica removal from pregnant leach solutionsFREEPORT MCMORAN CORP·Filed 2007·Granted Apr 6, 2010·4 cites·13 claims
- 2480US5169503AProcess for extracting metal values from oresBAUGHMAN DAVID R·Filed 1988·Granted Dec 8, 1992·35 cites·29 claims
- 2578US7476308B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2004·Granted Jan 13, 2009·11 cites·50 claims
- 2675US7473413B2Method 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
- 2774US2019177864A1Systems and methods for metal recoveryFREEPORT MINERALS CORP·Filed 2019·Application pending·0 cites
- 2873US6890371B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted May 10, 2005·5 cites·18 claims
- 2971US6464736B1Recrystallization processENVIRONMENTAL PROJECTS INC·Filed 2000·Granted Oct 15, 2002·7 cites·37 claims
- 3070US4438976AMethod of repair of short circuits for in situ leachingOCCIDENTAL RES CORP·Filed 1982·Granted Mar 27, 1984·27 cites·35 claims
- 3167US10246789B2Systems and methods for copper recovery via roasting and leachingFREEPORT MINERALS CORP·Filed 2016·Granted Apr 2, 2019·0 cites·19 claims
- 3262US9340849B2Systems and methods for metal recoveryFREEPORT MCMORAN CORP·Filed 2012·Granted May 17, 2016·0 cites·11 claims
- 3361US2008216606A1Method for recovery of metals from metal-containing materials using medium temperature pressure leachingPHELPS DODGE CORP·Filed 2008·Application pending·0 cites
- 3460US2006191377A1Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2006·Application pending·0 cites
- 3558US2006196313A1Method for recovering copper from copper-containing materials using direct electrowinningPHELPS DODGE CORP·Filed 2005·Application pending·0 cites
- 3655US8506673B2Silica removal from pregnant leach solutionsGILLASPIE JAMES D·Filed 2012·Granted Aug 13, 2013·0 cites·6 claims
- 3752US5030036AMethod of isolating contaminated geological formations, soils and aquifersISL VENTURES INC·Filed 1987·Granted Jul 9, 1991·23 cites·2 claims
- 3850US8114365B2Silica removal from pregnant leach solutionsGILLASPIE JAMES D·Filed 2010·Granted Feb 14, 2012·0 cites·20 claims
- 3948US10640847B2Recovery of rare earths from concentrates containing fluorineHAZEN RESEARCH·Filed 2016·Granted May 5, 2020·0 cites·21 claims
- 4048US6284005B1Sodium carbonate recrystallizationENVIRONMENTAL PROJECTS INC·Filed 1999·Granted Sep 4, 2001·7 cites·46 claims
- 4145US2003084547A1Sodium carbonate recrystallizationENVIRONMENTAL PROJECTS INC·Filed 2001·Application pending·0 cites
- 4244US2005126923A1Process 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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