Assignee
PLACER DOME TECHNICAL SERVICES
CA·13 granted patents·1 pending application·410 citations·filing 2000–2009
Top patents by PatentIndex Score
14 records- 0198US6660059B2Method for thiosulfate leaching of precious metal-containing materialsPLACER DOME TECHNICAL SERVICES·Filed 2001·Granted Dec 9, 2003·79 cites·67 claims
- 0297US7559974B2Method for thiosulfate leaching of precious metal-containing materialsPLACER DOME TECHNICAL SERVICES·Filed 2007·Granted Jul 14, 2009·17 cites·25 claims
- 0397US7544232B2Method for thiosulfate leaching of precious metal-containing materialsPLACER DOME TECHNICAL SERVICES·Filed 2006·Granted Jun 9, 2009·22 cites·18 claims
- 0495US7604783B2Reduction of lime consumption when treating refractor gold ores or concentratesPLACER DOME TECHNICAL SERVICES·Filed 2005·Granted Oct 20, 2009·22 cites·60 claims
- 0595US7066983B2Method for thiosulfate leaching of precious metal-containing materialsPLACER DOME TECHNICAL SERVICES·Filed 2003·Granted Jun 27, 2006·30 cites·74 claims
- 0693US7704298B2Method for thiosulfate leaching of precious metal-containing materialsPLACER DOME TECHNICAL SERVICES·Filed 2004·Granted Apr 27, 2010·21 cites·82 claims
- 0793US7033480B2Process for recovering platinum group metals from material containing base metalsPLACER DOME TECHNICAL SERVICES·Filed 2002·Granted Apr 25, 2006·38 cites·34 claims
- 0889US7722840B2Method for thiosulfate leaching of precious metal-containing materialsPLACER DOME TECHNICAL SERVICES·Filed 2003·Granted May 25, 2010·19 cites·48 claims
- 0987US8029751B2Reduction of lime consumption when treating refractory gold ores or concentratesPLACER DOME TECHNICAL SERVICES·Filed 2009·Granted Oct 4, 2011·6 cites·35 claims
- 1087US6368381B1Autoclave using agitator and sparge tube to provide high oxygen transfer rate to metal-containing solutionsPLACER DOME TECHNICAL SERVICES·Filed 2000·Granted Apr 9, 2002·46 cites·45 claims
- 1185US6761416B2Method and apparatus for a plasma-hydraulic continuous excavation systemPLACER DOME TECHNICAL SERVICES·Filed 2003·Granted Jul 13, 2004·47 cites·24 claims
- 1284US6857706B2Mining method for steeply dipping ore bodiesPLACER DOME TECHNICAL SERVICES·Filed 2002·Granted Feb 22, 2005·60 cites·39 claims
- 1354US7192093B2Excavation apparatus and methodPLACER DOME TECHNICAL SERVICES·Filed 2005·Granted Mar 20, 2007·3 cites·9 claims
- 1444US2006016621A1Method and system for deep sea drillingPLACER DOME TECHNICAL SERVICES·Filed 2005·Application pending·0 cites
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