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Class Information
Number: 148/319
Name: Metal treatment > Stock > Carburized or nitrided > Ferrous (i.e., iron base)
Description: Stock material which contains over 50 percent iron.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8608870 Carburization heat treatment method and method of use Dec. 17, 2013
8597438 Use and method of producing a dispersion strengthened steel as material in a roller for a roller hearth furnace Dec. 3, 2013
8580051 Method of processing steel and steel article Nov. 12, 2013
8535457 Rolling member, rolling bearing and process for manufacturing rolling member Sep. 17, 2013
8491695 Iron-base sintered part, manufacturing method of iron-base sintered part and actuator Jul. 23, 2013
8475605 Surface layer-hardened steel part and method of manufacturing the same Jul. 2, 2013
8430974 Carburized and induction-hardened component Apr. 30, 2013
8425691 Stainless steel carburization process Apr. 23, 2013
8394207 Cylinder jacket and method for producing the same Mar. 12, 2013
8308873 Method of processing steel and steel article Nov. 13, 2012
8293028 Method for carburizing steel components Oct. 23, 2012
8231742 Iron-based composite material and method of manufacturing iron-based composite material Jul. 31, 2012
8157931 Case hardenable nickel-cobalt steel Apr. 17, 2012
8137482 Carburization heat treatment method and method of use Mar. 20, 2012
8123873 Method for manufacturing carburized part, and steel part Feb. 28, 2012
7998282 Heat treatment method of steel components, steel components and manufacture method of steel components Aug. 16, 2011
7967921 Carburized component and manufacturing method thereof Jun. 28, 2011
7833432 Composite metal molding and method for manufacturing thereof Nov. 16, 2010
7799148 Method for producing austenitic iron-carbon-manganese metal sheets, and sheets produced thereby Sep. 21, 2010
7695575 Pin for chain and method for manufacture thereof Apr. 13, 2010
7655100 Method for preparation of steel material Feb. 2, 2010
7648586 Ultra-low carbon stainless steel Jan. 19, 2010
7648588 Method for carburizing steel components Jan. 19, 2010
7622009 Steel material Nov. 24, 2009
7622197 Seasoned ferrous cookware Nov. 24, 2009
7544255 Rolling element Jun. 9, 2009
7507303 Carbonitrided low manganese carbon steel alloy driveline component Mar. 24, 2009
7490715 Link chain with improved wear resistance and method of manufacturing same Feb. 17, 2009
7481896 Torque transferring low carbon steel shafts with refined grain size Jan. 27, 2009
7422643 Rolling element and method of producing the same Sep. 9, 2008
7419553 Fuel injection valve for internal combustion engines and a method for hardening the said valve Sep. 2, 2008
7413704 Case hardening bearing steel having excellent toughness and rolling contact fatigue life in intermediate temperature Aug. 19, 2008
7334943 Differential support structure, differential's component, method of manufacturing differential support structure, and method of manufacturing differential's component Feb. 26, 2008
7081174 Process for producing steel products having improved grain size properties and machinability Jul. 25, 2006
7067019 Alloy steel and article made therefrom Jun. 27, 2006
7037386 Rolling bearing for continuously variable transmission May. 2, 2006
6982120 Hardened steel components and process of treating the same Jan. 3, 2006
6966954 Spall propagation properties of case-hardened M50 and M50NiL bearings Nov. 22, 2005
6878218 High strength gear and method of producing the same Apr. 12, 2005
6869489 Steel for high bearing pressure-resistant member, having high machinability, and high bearing pressure-resistant member using same steel Mar. 22, 2005
6858100 Rolling bearing Feb. 22, 2005
6841122 Hot working die steel excelling in molten corrosion resistance and strength at elevated temperature and member for high temperature use formed of the hot working die steel Jan. 11, 2005
6770152 Rolling bearing Aug. 3, 2004
6702981 Low-carbon, low-chromium carburizing high speed steels Mar. 9, 2004
6699333 Case hardened steel with high tempering temperature, method for obtaining same and parts formed with said steel Mar. 2, 2004
6685596 Variator disc and a method of fabricating the same Feb. 3, 2004
6680129 Steel composition Jan. 20, 2004
6666792 Toroidal continuously variable transmission Dec. 23, 2003
6656293 Surface treatment for ferrous components Dec. 2, 2003
6635126 Advanced case carburizing secondary hardening steels Oct. 21, 2003

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