OUTOKUMPU OYJ

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
  
 
B01D SEPARATION 1298
 
  
 
C22C ALLOYS 1143
 
  
 
C22B PRODUCTION OR REFINING OF METALS 1016
 
  
 
B21B ROLLING OF METAL 721
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 723
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 625
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 613
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 553
 
  
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 48
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 420

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0219,856 DUPLEX STAINLESS STEELSep 05, 12Aug 07, 14[C22C]
2014/0116,202 METHOD FOR IMPROVING THE REDUCTION DEGREE IN THE SMELTING OF FERROALLOYJun 08, 12May 01, 14[C21C]
2014/0109,724 METHOD FOR PRODUCING FERROALLOY CONTAINING NICKELDec 20, 13Apr 24, 14[C22C]
2014/0041,766 METHOD FOR MANUFACTURING AND UTILIZING FERRITIC-AUSTENITIC STAINLESS STEELApr 18, 12Feb 13, 14[C21D]
2013/0039,802 LOW-NICKEL AUSTENITIC STAINLESS STEEL AND USE OF THE STEELApr 18, 11Feb 14, 13[C22C]
2013/0032,256 METHOD FOR MANUFACTURING AND UTILIZING FERRITIC-AUSTENITIC STAINLESS STEEL WITH HIGH FORMABILITYApr 18, 11Feb 07, 13[C21D]
2011/0250,088 FERRITIC-AUSTENITIC STAINLESS STEELDec 17, 09Oct 13, 11[C22C]
2011/0064,601 STAINLESS STEEL PRODUCT, USE OF THE PRODUCT AND METHOD OF ITS MANUFACTUREMay 14, 09Mar 17, 11[C22C, B22D]
2009/0314,394 METHOD FOR MANUFACTURING AN AUSTENITIC STEEL OBJECTJan 15, 08Dec 24, 09[C21D]
2009/0229,712 METHOD FOR CONTROLLING A METAL STRIP IN A HEAT TREATMENT FURNACEMay 29, 07Sep 17, 09[C21D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,696,789 Method for producing ferroalloy containing nickelFeb 11, 10Apr 15, 14[C22B, C22C]
8,634,953 Method and equipment for flatness control in cooling a stainless steel stripJun 27, 08Jan 21, 14[G05B, B21B, G06F, C21D]
8,615,956 Panel structureSep 03, 08Dec 31, 13[E04C, E04B]
8,278,496 Method in connection with steel productionMay 07, 07Oct 02, 12[A62D]
8,246,716 Method in connection with steel productionJun 10, 10Aug 21, 12[C21C]
8,142,539 Method and arrangement for feeding an anode into a smelting reactorJun 12, 03Mar 27, 12[C21C]
8,119,063 Austenitic iron and an iron productDec 28, 05Feb 21, 12[C22C]
7,758,707 Martensitic stainless steel and method of the manufactureJun 16, 06Jul 20, 10[C21D, C22C]
7,744,674 Method in connection with steel productionApr 06, 05Jun 29, 10[C22B]
7,591,946 Dual zone feedwell for a thickenerMar 11, 03Sep 22, 09[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
7,225,863 Plate-type heat exchanger with anodic corrosion protectionMay 28, 02Jun 05, 07[F28F]
2006/0237,300 Treatment of granular solids in a fluidized bed with microwavesNov 25, 03Oct 26, 06[C22B]
7,083,050 Method and apparatus for clarifying a slurryJun 19, 02Aug 01, 06[B01D]
2006/0091,021 Removing surface oxides from copperJul 17, 03May 04, 06[C25C]
7,036,554 Method and system for casting metal and metal alloysSep 08, 04May 02, 06[B22D]
2006/0086,697 Welding electrode material and an electrode made of the materialOct 22, 04Apr 27, 06[B23K]
7,024,750 Method for the manufacture of layered metal product slabs and layered metal product slabsDec 11, 01Apr 11, 06[B21B]
2006/0070,716 Method and system for continuously casting copper alloysOct 04, 04Apr 06, 06[B22D]
2006/0037,435 Method for treating slagNov 24, 03Feb 23, 06[C22B]
2005/0241,816 Interconnected microchannel tubeFeb 25, 05Nov 03, 05[F28F]
2005/0241,999 Method for the optimisation of reagent dosages in a concentration plantMar 07, 05Nov 03, 05[B03D]
2005/0214,639 Electrical contact element for alkaline cellsMar 26, 04Sep 29, 05[H01M]
2005/0178,483 Method of manufacturing a resistance welding electrodeFeb 13, 04Aug 18, 05[B22F]
6,926,752 Method for the stabilization of a fluidized bed in a roasting furnaceNov 13, 01Aug 09, 05[C22B]
2005/0126,757 Internally enhanced tube with smaller groove topDec 16, 03Jun 16, 05[F28D]
2005/0103,688 External adjustment device for magnetic drum separatorsNov 17, 03May 19, 05[B03C]
6,883,598 Cooling element for a heat exchangerJun 16, 03Apr 26, 05[F28F]
2005/0067,156 Pressure containing heat transfer tube and method of making thereofJul 15, 04Mar 31, 05[F28F]
6,861,037 Method of removal of impurities from gold concentrate containing sulfidesApr 26, 02Mar 01, 05[C22B, C01B]
6,858,175 Bottom structure for a smelting furnaceFeb 14, 03Feb 22, 05[C21B]

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