Inventor · disambiguated record
Wayne W. Hazen
Also filed as: HAZEN WAYNE W · HAZEN WAYNE WERNEKE · THOMPSON PHILIP
52 granted patents·10 pending applications·543 citations·filing 1977–2022
99Inventor score
Files withPHELPS DODGE CORP21FREEPORT MCMORAN CORP20FREEPORT MINERALS CORP10GILLASPIE JAMES D2RESOURCE TECHN ASS2
Top patents by PatentIndex Score
62 records- 0197US10036080B2System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2015·Granted Jul 31, 2018·8 cites·4 claims
- 0297US8003064B2Controlled copper leach recovery circuitFREEPORT MCMORAN CORP·Filed 2007·Granted Aug 23, 2011·15 cites·25 claims
- 0396US7517384B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2006·Granted Apr 14, 2009·11 cites·19 claims
- 0496US7125436B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2005·Granted Oct 24, 2006·13 cites·7 claims
- 0596US6451088B1Method for improving metals recovery using high temperature leachingPHELPS DODGE CORP·Filed 2001·Granted Sep 17, 2002·34 cites·15 claims
- 0695US10501821B2System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2018·Granted Dec 10, 2019·5 cites·16 claims
- 0795US9856570B2System and method for parallel solution extraction of one or more metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2016·Granted Jan 2, 2018·6 cites·20 claims
- 0895US8372361B2Copper recovery circuitFREEPORT MCMORAN CORP·Filed 2011·Granted Feb 12, 2013·9 cites·20 claims
- 0995US8372360B2Controlled metal leach recovery circuitFREEPORT MCMORAN CORP·Filed 2011·Granted Feb 12, 2013·9 cites·16 claims
- 1095US7485216B2Process 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
- 1194US11584974B2System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2021·Granted Feb 21, 2023·2 cites·17 claims
- 1294US11053566B2System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2019·Granted Jul 6, 2021·4 cites·20 claims
- 1394US10036096B2System and method for parallel solution extraction of one or more metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2015·Granted Jul 31, 2018·5 cites·20 claims
- 1494US8420048B1System and method for parallel solution extraction of one or more metal values from metal-bearing materialsRAMAN ANAND·Filed 2011·Granted Apr 16, 2013·20 cites·14 claims
- 1593US9023313B2System and method for parallel solution extraction of one or more metal values from metal-bearing materialsFREEPORT MCMORAN CORP·Filed 2013·Granted May 5, 2015·6 cites·20 claims
- 1693US6626979B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted Sep 30, 2003·23 cites·19 claims
- 1792US9169533B2System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materialsMORGAN JASON M·Filed 2011·Granted Oct 27, 2015·9 cites·9 claims
- 1892US8828353B2Controlled copper leach recovery circuitFREEPORT MCMORAN CORP·Filed 2013·Granted Sep 9, 2014·5 cites·15 claims
- 1992US8012318B2Process for multiple stage direct electrowinning of copperFREEPORT MCMORAN CORP·Filed 2010·Granted Sep 6, 2011·8 cites·11 claims
- 2092US6680034B2Method 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
- 2192US6451089B1Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2001·Granted Sep 17, 2002·24 cites·23 claims
- 2291US10793958B2System and method for parallel solution extraction of one or more metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2018·Granted Oct 6, 2020·2 cites·13 claims
- 2391US7041152B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2005·Granted May 9, 2006·6 cites·13 claims
- 2491US6972107B2System for direct electrowinning of copperPHELPS DODGE CORP·Filed 2003·Granted Dec 6, 2005·20 cites·14 claims
- 2590US9447483B2System and method for parallel solution extraction of one or more metal values from metal-bearing materialsFREEPORT-MCMORAN CORP·Filed 2013·Granted Sep 20, 2016·7 cites·17 claims
- 2690US7666371B2Method 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
- 2790US7462272B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2005·Granted Dec 9, 2008·9 cites·19 claims
- 2889US7736487B2Process 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
- 2989US6663689B2Process for direct electrowinning of copperPHELPS DODGE CORP·Filed 2002·Granted Dec 16, 2003·17 cites·11 claims
- 3088US7736488B2Process 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
- 3188US7722756B2Process for multiple stage direct electrowinning of copperFREEPORT MCMORAN CORP·Filed 2008·Granted May 25, 2010·5 cites·12 claims
- 3288US7341700B2Method 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
- 3388US6893482B2Method for improving metals recovery using high temperature pressure leachingPHELPS DODGE CORP·Filed 2003·Granted May 17, 2005·14 cites·21 claims
- 3487US11932919B2System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materialsFREEPORT MINERALS CORP·Filed 2022·Granted Mar 19, 2024·0 cites·11 claims
- 3587US8920773B2Systems and methods for metal recoveryFREEPORT MCMORAN CORP·Filed 2012·Granted Dec 30, 2014·4 cites·20 claims
- 3686US9102999B2Methods of recovering scandium from titanium residue streamsBLOOM ENERGY CORP·Filed 2014·Granted Aug 11, 2015·8 cites·25 claims
- 3785US6676909B2Method 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
- 3885US6497745B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2001·Granted Dec 24, 2002·12 cites·18 claims
- 3985US6149883APressure oxidation process for the production of molybdenum trioxide from molybdeniteKENNECOTT COPPER CORP·Filed 1994·Granted Nov 21, 2000·52 cites·19 claims
- 4084US7691347B2Silica removal from pregnant leach solutionsFREEPORT MCMORAN CORP·Filed 2007·Granted Apr 6, 2010·4 cites·13 claims
- 4178US7476308B2Process for multiple stage direct electrowinning of copperPHELPS DODGE CORP·Filed 2004·Granted Jan 13, 2009·11 cites·50 claims
- 4277US5078786AProcess for recovering metal values from jarosite solidsRESOURCE TECHN ASS·Filed 1986·Granted Jan 7, 1992·25 cites·20 claims
- 4375US7473413B2Method 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
- 4474US2019177864A1Systems and methods for metal recoveryFREEPORT MINERALS CORP·Filed 2019·Application pending·0 cites
- 4573US6890371B2Method for processing elemental sulfur-bearing materials using high temperature pressure leachingPHELPS DODGE CORP·Filed 2002·Granted May 10, 2005·5 cites·18 claims
- 4667US10246789B2Systems and methods for copper recovery via roasting and leachingFREEPORT MINERALS CORP·Filed 2016·Granted Apr 2, 2019·0 cites·19 claims
- 4765US7824633B2System and method for conversion of molybdenite to one or more molybdenum oxidesFREEPORT MCMORAN CORP·Filed 2007·Granted Nov 2, 2010·1 cites·14 claims
- 4862US9340849B2Systems and methods for metal recoveryFREEPORT MCMORAN CORP·Filed 2012·Granted May 17, 2016·0 cites·11 claims
- 4961US2008216606A1Method for recovery of metals from metal-containing materials using medium temperature pressure leachingPHELPS DODGE CORP·Filed 2008·Application pending·0 cites
- 5060US4618480ARecovery of alumina values from alunite oreRESOURCE TECHN ASS·Filed 1984·Granted Oct 21, 1986·10 cites·37 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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