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| Number | Title | Issue Date |
| 7981521 | Steel compositions, methods of forming the same, and articles formed therefrom Maraging steel compositions, methods of forming the same, and articles formed therefrom comprising, by weight, 15.0 to 20.0% Ni, 2.0 to 6.0% Mo, 3.0 to 8.0% Ti, up to 0.5% Al, the balance Fe and residual impurities. The composition may be a first layer of a composit... | 07/19/2011 |
| 7935431 | Cast parts with enhanced wear resistance The invention concerns a cast wear part with its structure reinforced by at least a type metal carbide, and/or metal nitride, and/or boride, and/or metal oxides, and/or intermetallic compounds, referred to below as constituents. The invention is characterized in tha... | 05/03/2011 |
| 7879460 | Welding wire and vehicle component manufactured using the same Disclosed is a welding wire for joining cast iron and stainless steel, having a composition of 0.03 wt % or less of C, 2.0˜3.0 wt % of Si, 12.0˜14.0 wt % of Mn, 7.0˜9.0 wt % of Cr, 45.0˜47.0 wt % of Ni, 0.5˜0.8 wt % of Nb, and 2.0˜3.0 wt % of Mo, with a balanc... | 02/01/2011 |
| 7678471 | Surface modification to improve fireside corrosion resistance of Fe-Cr ferritic steels An article of manufacture and a method for providing an Fe—Cr ferritic steel article of manufacture having a surface layer modification for corrosion resistance. Fe—Cr ferritic steels can be modified to enhance their corrosion resistance to liquid coal ash and o... | 03/16/2010 |
| 7429302 | Stainless steel sheet for welded structural components and method for making the same A structural hot-rolled or cold-rolled stainless steel sheet having improved intergranular corrosion resistance and toughness at the welding heat affected zone and further having low strength and high elongation. The composition of the steel sheet contains less than... | 09/30/2008 |
| 7393597 | Welded joint made of an austenitic steel A weld joint having a base material and a weld metal both of an austenitic steel, wherein the weld metal has a chemical composition, in mass %, that C: 0.04% or less, Si: 1.0% or less, Mn: 3% or less, P: 0.02% or less, S: 0.005% or less, Cr: 15 to 25%, Ni: 30% or mo... | 07/01/2008 |
| 7358327 | Assembled hematin, method for forming same and method for polymerizing aromatic monomers using same An assembled hematin is formed by depositing hematin on an electrically charged substrate in one or more layers alternating with one or more layers of polyelectrolyte, preferably a cationic polymer. In a method for polymerizing an aromatic monomer, the assembled hem... | 04/15/2008 |
| 7344751 | Assembled hematin, method for forming same and method for polymerizing aromatic monomers using same An assembled hematin is formed by depositing hematin on an electrically charged substrate in one or more layers alternating with one or more layers of polyelectrolyte, preferably a cationic polymer. In a method for polymerizing an aromatic monomer, the assembled hem... | 03/18/2008 |
| 7326472 | Golf club head A head body of a golf club head has a hollow portion defined by an outer wall. An opening portion is provided in a part of the head body. A small tungsten alloy piece having a shape fittable to the opening portion so as to cover the opening portion is fixedly attach... | 02/05/2008 |
| 7314670 | Welded component A welded component includes at least one high temperature segment of a high alloy Cr steel with high creep strength and a low temperature segment of a low alloy steel with high toughness and/or a high yield strength which are connected materially to one another via ... | 01/01/2008 |
| 7312951 | Magnetic head for perpendicular magnetic recording The invention provides a magnetic head for perpendicular magnetic recording having an air bearing surface positioned facing the recording surface of a recording medium, which records magnetic information on the recording medium by generating magnetic flux toward the... | 12/25/2007 |
| 7217905 | Weld filler metal that reduces residual stress and distortion A filler metal including not more than about 0.1% C, not more than about 1.0% Si; not more than about 0.8% Mn; from about 10.5% to about 13.0% Cr; from about 0.65% to about 4.0% Ni; from about 10(% C) to about 1.5% Ti; not more than about 0.5% each of N, S, P, Mo, N... | 05/15/2007 |
| 7172794 | Method for treating ferrous alloy parts in order to improve the rubbing properties thereof without causing hardness loss or deformation A method for obtaining a ferrous alloy part that supports a very high seizure load with very low dispersion includes steps of covering the part with an iron sulphide coating having an appropriate thickness and Fe/S ratio, where the coating is selected from among tho... | 02/06/2007 |
| 7135240 | Thermal spray compositions for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composit... | 11/14/2006 |
| 7117594 | Oil-scraper piston ring and a method for producing an oil-scraper piston ring A piston oil control ring with at least one tapered running rail, provided with a wear-resistant coating, characterized in that a radial elevation with predetermined radial height and width, which is provided with the wear-resistant coating, is provided in the regio... | 10/10/2006 |
| 7090113 | Inertia welded shaft and method therefor A method is provided for assembling a shaft having a metal matrix composite mid shaft and monolithic high strength alloy forward and aft shafts. The forward and aft shafts are each inertia friction welded to separate annular transition pieces which include a barrier... | 08/15/2006 |
| 7022420 | Assembled hematin, method for forming same and method for polymerizing aromatic monomers using same An assembled hematin is formed by depositing hematin on an electrically charged substrate in one or more layers alternating with one or more layers of polyelectrolyte, preferably a cationic polymer. In a method for polymerizing an aromatic monomer, the assembled hem... | 04/04/2006 |
| 6966955 | Steel plate having TiN+ZrN precipitates for welded structures, method for manufacturing same and welded structure made therefrom A weldable structural steel product having TiN and ZrN precipitates, which contains, in terms of percent by weight, 0.03 to 0.17% C, 0.01 to 0.5% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.001 to 0.03% Zr, 0.008 to 0.030% N, 0.0003 to 0.01% B, 0.001 ... | 11/22/2005 |
| 6953627 | Method for the production of thin-walled steel components and components produced therefrom A process for the production of thin walled parts of steel, wherein there are layers that are at least partly differently treatable relating to their strength and hardness qualities. This process can include creating a composite material from a plurality of differen... | 10/11/2005 |
| 6931713 | Methods of making low loss, high frequency composite magnetic material A high frequency, low loss, power, laminated magnetic material includes alternating magnetic plates of low hysteresis loss material and electrically insulating films. The multi-layer structure allows for independently and simultaneously controlling and reducing hyst... | 08/23/2005 |
| 6913842 | Liquid phase diffusion welded metal-made precision machine component and production method thereof A precision machine part is made of a plurality of pieces with a transient liquid phase diffusion bonding alloy provided between the pieces to bond them together. The precision machine part has one or more conveyance passages formed in it, has a longitudinal axis an... | 07/05/2005 |
| 6905783 | Steel sheet for porcelain enameling and method for production thereof, and enameled product and method for production thereof Steel sheet for porcelain enameling having excellent workability yet capable of providing an enamel layer having excellent adhesion with the steel sheet on direct-on enameling once and still free of black specks defects, a method for producing the same, as well as a... | 06/14/2005 |
| 6899966 | Composite surface on a stainless steel matrix A composite surface having a thickness from 10 to 5,000 microns comprising a spinel of the formula MnxCr3−xO4 wherein x is from 0.5 to 2 and oxides of Mn, Si selected from the group consisting of MnO, MnSiO3, Mn2 | 05/31/2005 |
| 6881500 | Chain A chain including chain pins 15, which connect an inner link plate and an outer link plate, are made of carburized or refined steel, and have the entire surface on which a large number of dimples 17 are provided which are formed through a primary shot ... | 04/19/2005 |
| 6861161 | Composite tool A composite tool comprising a supporting part of a metallic material having a first composition and a working part of a metallic material having a second composition which is different from the first composition, a process for the manufacture thereof and a method of... | 03/01/2005 |
| 6850057 | Barber pole structure for magnetoresistive sensors and method of forming same A method of making a magnetorestrictive sensor involves the deposition of a magnetorestrictive strip over a substrate, the deposition of an insulating layer over the magnetorestrictive strip, the etching of barber pole windows through the insulating layer, the depos... | 02/01/2005 |
| 6797406 | Composite gradient alloy plate, manufacturing method thereof and color cathode ray tube having shadow mask using the composite gradient alloy plate The present invention relates to a color cathode ray tube provided with a pressed-type shadow mask. As material for constituting the shadow mask 6, a single plate body made of a composite gradient alloy plate consisting of three layers 6A, 6B, | 09/28/2004 |
| 6783871 | Direct bond of steel at low temperatures The instant invention is directed to a bonded product, such as a manifold, for gas or liquid chromatographs, and a method for making the same. The bonded product is made using the following steps: (i) contacting two or more steel sheets; (ii) heating the contacted s... | 08/31/2004 |
| 6773829 | Method for casting molten metal, apparatus for the same, and cast slab A cast slab has a negative segregation zone composed of a multilayer structure of negative segregation layers disposed between dendrite or crystalline layers. The dendrite or crystalline layers are a deflection structure caused by vibration during formation of the c... | 08/10/2004 |
| 6749952 | Tin-plated steel sheet The tin-plated steel sheet includes a base steel sheet; a tin plating layer coating approximately more than 97.0% of the base steel sheet; and a chemical conversion coating having approximately 0.5 to 100 mg/m2 phosphorus and approximately 0.1 to 250 mg/m... | 06/15/2004 |
| 6721201 | Magnetoresistive film and memory using the same A magnetoresistive film of a structure comprising a non-magnetic film being put between magnetic films. At least one of the magnetic films is a perpendicular magnetic anisotropy film including a rate earth metal, Fe and Co as main ingredients. And, composition of Co... | 04/13/2004 |
| 6712912 | Welding method, filler metal composition and article made therefrom A weld filler metal alloy composition and a method for welding stainless steel components into a final assembly includes the steps of: austenitizing the stainless steel components to be welded at a temperature of 1800° F.-2000° F.; applying, using conventional arc... | 03/30/2004 |
| 6710986 | Tunneling magnetoresistive head and a process of tunneling magnetoresistive head There is proposed a high-sensitive TMR element wherein the selection of electronic state contributing to tunnel conduction is optimized. In this invention, a junction plane between a ferromagnetic layer (210) having a bcc structure and a tunnel barrier layer ... | 03/23/2004 |
| 6689490 | Display element for employment in a magnetic anti-theft security system Display Element for Employment in a Magnetic Anti-theft Security System A semi-hard magnetic alloy for activation strips in magnetic anti-theft security systems is disclosed that contains 8 to 25 weight % Ni, 1.5 to 4.5 weight % Al, 0.5 to 3 weight % Ti a... | 02/10/2004 |
| 6673470 | Surface treated tin-plated steel sheet and surface treatment solution A surface treated tin-plated steel sheet which has an alloy layer formed on the surface of a steel sheet, a tin plating layer being formed on said alloy layer with a remaining exposed portion of the alloy layer having an area of 30% or more of that of the... | 01/06/2004 |
| 6673468 | Composite material made of two steel cover sheets resistance-welded together and an intermediate layer The invention concerns a composite material in band or slab form made of two cover plates (1, 2), made of steel, which can be resistance welded together via electrically conductive bodies (4), and an intermediate layer (3) made of a filler material in whi... | 01/06/2004 |
| 6673472 | Rust preventive carbon steel sheet for fuel tank having good welding gastightness and anticorrosion after forming The present invention provides a hot-dip Al-plated steel sheet for fuel tanks excellent in air-tightness after welding and corrosion resistance subsequent to forming. The present invention provides, as concrete means, a hot-dip Al-plated steel sheet compr... | 01/06/2004 |
| 6670048 | Sintered sprocket A sintered sprocket is provided in which surface pressure resistance can be improved without using a forging processing. An Fe-based sintered alloy which contains C at 0.2 to 0.5% by weight, Mo at 0.2 to 1.0% by weight, and Ni at 0.2 to 1.0% by weight, an... | 12/30/2003 |
| 6667110 | Hybrid steel cord for tires A hybrid steel cord and method of making such cord which includes, in contact with one or more carbon steel wire(s), at least one stainless steel wire whose microstructure contains less than 20% of martensite (% by volume). Articles made of plastic and/or... | 12/23/2003 |
| 6663984 | Clad steel rolled section for reinforcing concrete and method of production Clad steel roiled section suitable for reinforcing concrete is disclosed, which is produced from a bimetallic ingot comprising a basic material containing a group of alloy elements including Si and Al, and a surface layer of a ferritic or austenitic stain... | 12/16/2003 |
