OUTOKUMPU OYJ

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
  
 
B01D SEPARATION 1294
 
  
 
C22B PRODUCTION OR REFINING OF METALS 918
 
  
 
C22C ALLOYS 944
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 623
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 614
 
  
 
B21B ROLLING OF METAL 621
 
  
 
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 623
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 552
 
  
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 49
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 417

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
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]
2011/0308,352 METHOD FOR PRODUCING FERROALLOY CONTAINING NICKELFeb 11, 10Dec 22, 11[C22B]
2011/0250,088 FERRITIC-AUSTENITIC STAINLESS STEELDec 17, 09Oct 13, 11[C22C]
2011/0208,345 METHOD AND EQUIPMENT FOR FLATNESS CONTROL IN COOLING A STAINLESS STEEL STRIPJun 27, 08Aug 25, 11[B21B]
2011/0064,601 STAINLESS STEEL PRODUCT, USE OF THE PRODUCT AND METHOD OF ITS MANUFACTUREMay 14, 09Mar 17, 11[C22C, B22D]
2010/0275,728 METHOD IN CONNECTION WITH STEEL PRODUCTIONJun 10, 10Nov 04, 10[C22B, C21C]

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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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