Assignee
OUTOTEC OYJ
FI·111 granted patents·21 pending applications·456 citations·filing 2001–2015
Top patents by PatentIndex Score
132 records- 0194US7670575B2Method and device for treating anode slimeOUTOTEC OYJ·Filed 2005·Granted Mar 2, 2010·23 cites·11 claims
- 0285US7566017B2Apparatus for discharging material from a millOUTOTEC OYJ·Filed 2006·Granted Jul 28, 2009·15 cites·19 claims
- 0384US9829250B2Fluid cooled lances for top submerged injectionOUTOTEC OYJ·Filed 2012·Granted Nov 28, 2017·5 cites·19 claims
- 0484US8043597B2Process and apparatus for the combustion of sulfurOUTOTEC OYJ·Filed 2007·Granted Oct 25, 2011·9 cites·15 claims
- 0584US7837970B2Process and plant for the production of sulphuric acidOUTOTEC OYJ·Filed 2006·Granted Nov 23, 2010·7 cites·18 claims
- 0684US7294319B2Method for precipitating iron from a zinc sulphate solution as hematiteOUTOTEC OYJ·Filed 2002·Granted Nov 13, 2007·23 cites·8 claims
- 0783US7308929B2Aluminum ingot casting machineOUTOTEC OYJ·Filed 2005·Granted Dec 18, 2007·5 cites·10 claims
- 0882US7981299B2Thickener and method for thickeningOUTOTEC OYJ·Filed 2007·Granted Jul 19, 2011·14 cites·39 claims
- 0982US7700036B2Launder for casting molten copperOUTOTEC OYJ·Filed 2005·Granted Apr 20, 2010·5 cites·16 claims
- 1082US7695625B2Method and apparatus for purification of slightly water-soluble organic solution from aqueous entrainmentOUTOTEC OYJ·Filed 2005·Granted Apr 13, 2010·4 cites·26 claims
- 1180US7794685B2Method for producing hydrogen and sulphuric acidOUTOTEC OYJ·Filed 2008·Granted Sep 14, 2010·7 cites·17 claims
- 1278US7749302B2Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metalsOUTOTEC OYJ·Filed 2005·Granted Jul 6, 2010·3 cites·19 claims
- 1378US7615199B2Method for the recovery of valuable metals and arsenic from a solutionOUTOTEC OYJ·Filed 2006·Granted Nov 10, 2009·6 cites·14 claims
- 1477US8020710B2Method and equipment for liquid-liquid extractionOUTOTEC OYJ·Filed 2009·Granted Sep 20, 2011·2 cites·19 claims
- 1576US9957586B2Method of using a suspension smelting furnace, a suspension smelting furnace, and a concentrate burnerOUTOTEC OYJ·Filed 2015·Granted May 1, 2018·1 cites·22 claims
- 1676US7980824B2Rotor for a flotation machineOUTOTEC OYJ·Filed 2005·Granted Jul 19, 2011·7 cites·13 claims
- 1776US7820134B2Process and plant for producing sulfuric acidOUTOTEC OYJ·Filed 2005·Granted Oct 26, 2010·4 cites·8 claims
- 1875US7731853B2Method and equipment for purifying an extraction solution from aqueous entrainment and impuritiesOUTOTEC OYJ·Filed 2004·Granted Jun 8, 2010·22 cites·33 claims
- 1974US7785395B2Method for the recovery of gold from sulphide concentrateOUTOTEC OYJ·Filed 2006·Granted Aug 31, 2010·3 cites·24 claims
- 2074US7393496B2Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnaceOUTOTEC OYJ·Filed 2005·Granted Jul 1, 2008·2 cites·1 claims
- 2174US7235182B2Pulp stabilisation apparatus for a thickenerOUTOTEC OYJ·Filed 2003·Granted Jun 26, 2007·20 cites·23 claims
- 2273US7811534B2Method for the treatment of copper-bearing materialsOUTOTEC OYJ·Filed 2006·Granted Oct 12, 2010·2 cites·21 claims
- 2373US7803268B2Method and plant for producing low-temperature cokeOUTOTEC OYJ·Filed 2003·Granted Sep 28, 2010·7 cites·19 claims
- 2473US7390468B2Extraction processOUTOTEC OYJ·Filed 2002·Granted Jun 24, 2008·18 cites·10 claims
- 2572US7997414B2Method for separating particles in hydrous slurry and a hindered-bed separatorOUTOTEC OYJ·Filed 2008·Granted Aug 16, 2011·5 cites·21 claims
- 2672US7799114B2Method for recovering goldOUTOTEC OYJ·Filed 2007·Granted Sep 21, 2010·3 cites·10 claims
- 2772US7597786B2Transfer and insulation device for electrolysisOUTOTEC OYJ·Filed 2003·Granted Oct 6, 2009·7 cites·6 claims
- 2871US7789332B2Method for controlling oxygen when separating minerals from a slurryOUTOTEC OYJ·Filed 2004·Granted Sep 7, 2010·8 cites·24 claims
- 2971US7700035B2Direct smelting plant and processOUTOTEC OYJ·Filed 2004·Granted Apr 20, 2010·7 cites·12 claims
- 3071US7390420B2Method and equipment for compressing a dispersion in liquid-liquid extractionOUTOTEC OYJ·Filed 2003·Granted Jun 24, 2008·16 cites·23 claims
- 3170US8038766B2Direct reduction process using a single fluidised bedOUTOTEC OYJ·Filed 2005·Granted Oct 18, 2011·2 cites·41 claims
- 3270US7704476B2Process and plant for producing sulfuric acid from gases rich in sulfur dioxideOUTOTEC OYJ·Filed 2005·Granted Apr 27, 2010·3 cites·22 claims
- 3369US8377513B2Method for coating a cooling elementOUTOTEC OYJ·Filed 2007·Granted Feb 19, 2013·1 cites·15 claims
- 3469US8352197B2Method and arrangement for monitoring and presenting the status of an electrolytic process in an electrolytic cellOUTOTEC OYJ·Filed 2008·Granted Jan 8, 2013·3 cites·30 claims
- 3569US7811357B2Method for recovering rare metals in zinc leaching processOUTOTEC OYJ·Filed 2006·Granted Oct 12, 2010·2 cites·24 claims
- 3669US7465402B2Method and equipment for guiding dispersion in liquid-liquid extractionOUTOTEC OYJ·Filed 2003·Granted Dec 16, 2008·6 cites·35 claims
- 3768US8801940B2FeedwellsOUTOTEC OYJ·Filed 2013·Granted Aug 12, 2014·2 cites·37 claims
- 3868US7871504B2Method for forming an electrocatalytic surface on an electrode and the electrodeOUTOTEC OYJ·Filed 2006·Granted Jan 18, 2011·1 cites·17 claims
- 3968US7632334B2Method and plant for the heat treatment of solids containing iron oxideOUTOTEC OYJ·Filed 2003·Granted Dec 15, 2009·7 cites·10 claims
- 4067US8360245B2Equipment and method for flotating and classifying mineral slurryOUTOTEC OYJ·Filed 2007·Granted Jan 29, 2013·3 cites·28 claims
- 4167US7704398B2Method and apparatus for purification of an aqueous solution from droplets of extraction solutionOUTOTEC OYJ·Filed 2005·Granted Apr 27, 2010·3 cites·26 claims
- 4267US7591946B2Dual zone feedwell for a thickenerOUTOTEC OYJ·Filed 2003·Granted Sep 22, 2009·12 cites·18 claims
- 4367US7517461B2Method and equipment to control separation of a dispersion liquid-liquid extractionOUTOTEC OYJ·Filed 2003·Granted Apr 14, 2009·13 cites·24 claims
- 4465US8038930B2Cooling element and method for manufacturing the sameOUTOTEC OYJ·Filed 2006·Granted Oct 18, 2011·2 cites·17 claims
- 4565US7841474B2Beltless rare earth roll magnetic separator system and methodOUTOTEC OYJ·Filed 2008·Granted Nov 30, 2010·6 cites·24 claims
- 4665US7406997B2Aluminum ingot casting machineOUTOTEC OYJ·Filed 2003·Granted Aug 5, 2008·4 cites·21 claims
- 4764US7820046B2Filter assembly for samplingOUTOTEC OYJ·Filed 2005·Granted Oct 26, 2010·4 cites·12 claims
- 4864US7520995B2Dilution apparatus for a thickenerOUTOTEC OYJ·Filed 2003·Granted Apr 21, 2009·11 cites·40 claims
- 4963US7624877B2Separate size flotation deviceOUTOTEC OYJ·Filed 2004·Granted Dec 1, 2009·9 cites·48 claims
- 5063US7537376B2Device for a continuously operated diluting of a slurry sampleOUTOTEC OYJ·Filed 2004·Granted May 26, 2009·6 cites·7 claims
Showing the top 50 of 132 patent records by PatentIndex Score.
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