| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 01/21/2010 | DE102008040550A1 Method for producing a metal composite component, which is provided with two portions of different magnetization, where the two portions lie in direct succession on the one-piece component |
| 01/20/2010 | EP1076725B1 Method and apparatus for straightening turbine casings |
| 01/20/2010 | CN101629231A Superfine crystalline pure iron preparation method |
| 01/20/2010 | CN100582254C Process for producing high-strength spring |
| 01/19/2010 | US7648596 metal working; heating and hot rolling in inert atmosphere; operated by RF generator; making sheet, strip, rod, wire or band from alloys of aluminum, iron, nickel and titanium |
| 01/14/2010 | DE102008032919A1 Combined rolling and hammering process to strengthen the surface of a metal component forming part of e.g. a gas turbine engine |
| 01/14/2010 | DE102008032024A1 Ultra-high carbon steel, useful for production of IC engine and transmission components for vehicles, comprises specified ranges of carbon, aluminum, chromium, silicon, stabilizing alloying elements and iron |
| 01/13/2010 | EP2142332A1 Seam-welded 36 ni-fe alloy structures and methods of making and using same |
| 01/13/2010 | CN201381352Y Coach skin tensioning machine |
| 01/07/2010 | DE102008031512A1 Vorspanneinheit Bias unit |
| 12/30/2009 | EP2137327A1 Steel for tool-less hot forming or quenching with improved ductility |
| 12/29/2009 | US7637136 Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method |
| 12/24/2009 | US20090317286 High-temperature member for use in gas turbine |
| 12/23/2009 | WO2009152808A1 Method for the aftertreatment of a welded connection |
| 12/23/2009 | EP2135698A1 Methods of treating metal articles and articles made therefrom |
| 12/22/2009 | CA2368288C Laser shock peening integrally bladed rotor blade edges |
| 12/17/2009 | WO2009150928A1 Ball for constant velocity joint and method for producing the same |
| 12/17/2009 | US20090308123 Ultrasonic Peening Treatment of Assembled Components |
| 12/16/2009 | EP2131974A1 Method and device for machining a toothing on a sintered part |
| 12/15/2009 | US7632053 Method for the production of a screw, and screw produced according to said method |
| 12/15/2009 | CA2458231C Method for processing a metal slab or billet, and product produced using said method |
| 12/10/2009 | US20090301152 Cover element for a sonotrode and peening chamber arrangement for the surface peening of components |
| 12/09/2009 | CN101597721A Steel for non-magnetic drilling tool and production method thereof |
| 12/09/2009 | CN101597678A Method for processing wear resistance steel medium alloy lining board |
| 12/09/2009 | CN100567518C Component, method for producing said component and device for generating internal compressive stress in the component |
| 12/09/2009 | CN100566871C Method of processing metal |
| 12/08/2009 | US7629870 Process for the treatment of a thin brittle metal strip and magnetic components produced from a strip made of a nanocrystalline alloy |
| 12/08/2009 | US7628099 Machining method to controllably produce chips with determinable shapes and sizes |
| 12/02/2009 | EP2126144A1 Method of thermomechanical shaping a final product with very high strength and a product produced thereby |
| 12/02/2009 | CN100564572C Method for metal parts surface defects restoring and antiseptic treatment |
| 11/26/2009 | US20090288463 Shot, devices, and installations for ultrasonic peening, and parts treated thereby |
| 11/25/2009 | CN101586180A Method for improving property of non-oriented electric steel |
| 11/25/2009 | CN101585046A SUS304 stainless steel cold-rolled plate producing method omitting annealing before cold rolling |
| 11/18/2009 | EP2119870A2 Methods of Maintaining Turbine Discs to Avert Critical Bucket Attachment Dovetail Cracks |
| 11/18/2009 | CN101580940A Quick energy-saving gas soft nitriding method for automobile tire mould |
| 11/18/2009 | CN100560751C Hardening technology for surface alloy of gas valve of high power diesel engine |
| 11/18/2009 | CN100560750C Method of refining metal surface |
| 11/12/2009 | WO2009115702A3 Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained |
| 11/11/2009 | CN201343555Y Controllable distributed control system for laser peening |
| 11/11/2009 | CN101578446A Process for production of common rails and partially strengthened common rails |
| 11/11/2009 | CN100558926C Steel for plastic molds and process of heat treatment thereof |
| 11/11/2009 | CN100558913C Fe-Ni alloy transient minimal-stress deformation grain refining method |
| 10/29/2009 | DE102008021052A1 Solidifying and compressing a thin-walled metallic component e.g. gas turbine blade, by introducing the component into pressure-stable and liquid-tight container, and filling off remaining cavity of the component with liquid medium |
| 10/28/2009 | EP2111944A2 Repair method and repaired article |
| 10/28/2009 | EP2111194A2 Stent with improved flexibility and method for making same |
| 10/28/2009 | CN101568461A Formed article for vehicle body structural member |
| 10/28/2009 | CN101565798A Ascalloy and manufacturing method thereof |
| 10/21/2009 | CN101560665A Fillet rolling and reinforcing technology of normalized nodular cast iron crankshaft |
| 10/21/2009 | CN101560664A Nitridized and undercut fillet rolling and reinforcing technology of normalized nodular cast iron crankshaft |
| 10/21/2009 | CN101560593A Fillet rolling and reinforcing technology of normalized nodular cast iron crankshaft |
| 10/20/2009 | CA2465201C Apparatus and method for forming weld joints having compressive residual stress patterns |
| 10/14/2009 | EP2108736A2 Method for manufacturing machine components and roll shell manufactured accordingly |
| 10/14/2009 | CN101558179A Metal gasket and method of making |
| 10/14/2009 | CN101555543A Method and device for nano-micro transformation of metal material surface |
| 10/13/2009 | US7600556 Mold for casting and method of surface treatment thereof |
| 10/13/2009 | CA2412520C Method of production of surface densified powder metal components |
| 10/08/2009 | WO2009123543A1 Drill bit for a rock drilling tool with increased toughness and method for increasing the toughness of such drill bits |
| 10/08/2009 | DE102008035714A1 Stahlblech zum Warmpreßformen, das Niedrigtemperatur-Vergütungseigenschaft hat, Verfahren zum Herstellen desselben, Verfahren zum Herstellen von Teilen unter Verwendung desselben, und damit hergestellte Teile Steel sheet for hot press molding, the low-temperature compensation property has the same method for manufacturing, process for producing parts using the same, and thus manufactured parts |
| 10/08/2009 | CA2720063A1 Drill bit for a rock drilling tool with increased toughness and method for increasing the toughness of such drill bits |
| 10/06/2009 | CA2466829C Surface treatment of austenitic ni-fe-cr based alloys |
| 09/30/2009 | CN201317793Y Projectile cycling system |
| 09/30/2009 | CN101543947A Method for manufacturing spring of derrick centralizer |
| 09/30/2009 | CN100545270C Machining method for improving internal soundness and capability of large scale rod bar |
| 09/24/2009 | WO2009115702A2 Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained |
| 09/24/2009 | US20090235526 Method for the manufacture of a welded blisk drum |
| 09/24/2009 | DE102008015284A1 Shaping edge of internal passage intersection in vehicle high pressure fuel manifold, locates forming object at intersection and applies hydraulic pressure repeatedly |
| 09/24/2009 | CA2714218A1 Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained |
| 09/23/2009 | EP2103705A1 Method of manufacturing sheets of austenitic stainless steel with high mechanical properties |
| 09/23/2009 | CN101537539A Pin tool for friction stir welding and current carrying friction stir welding method |
| 09/23/2009 | CN101537538A Integrated pin tool for friction stir welding and composite method of resistance-friction stir welding thereof |
| 09/23/2009 | CN101537529A Pin tool for friction stir welding and ultrafine grain preparation method thereof |
| 09/22/2009 | CA2452629C Process for manufacturing a forged steel part and the resulting part |
| 09/17/2009 | US20090232434 Texturing of the bearing surface for a roller cone rock bit |
| 09/17/2009 | US20090229417 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels |
| 09/15/2009 | US7588651 Method for producing a steel product |
| 09/15/2009 | US7587965 Tool holder assembly and method for modulation-assisted machining |
| 09/11/2009 | WO2009109495A1 Cold drawn low carbon steel filament and method of manufacturing said filament |
| 09/01/2009 | US7582174 Treatment of metal components by putting layers subjacent the surface of the components in compression; relates in particular to field of aeronautical turbomachines, where such a technique is used in order to improve lifetime of the components subjected to high stresses, both mechanical and thermal |
| 08/27/2009 | WO2009104805A1 Steel products and process for production thereof |
| 08/26/2009 | CN100532887C Gear part and method of producing thereof |
| 08/26/2009 | CN100532588C Rotary parts and manufacturing method thereof |
| 08/19/2009 | EP2090668A1 Method of producing a high strength steel and high strength steel produced thereby |
| 08/19/2009 | EP2090383A1 Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tools steels |
| 08/19/2009 | EP2089551A1 Autohooping process and autohooping apparatus |
| 08/19/2009 | CN101509116A Method for producing ultra-fine grain by using repeated forging of large deformation |
| 08/19/2009 | CN100529114C Method and device for increasing the endurance limit, in particular the bending strength and torsional strength of crankshafts |
| 08/19/2009 | CN100529113C Long life rotating body with excellent fatigue strength and method of manufacturing the rotating body |
| 08/19/2009 | CN100528737C Vibrating and rolling process for making nanometer monocrystal structure |
| 08/18/2009 | US7575060 Collapse resistance of tubing |
| 08/18/2009 | US7574888 Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method |
| 08/13/2009 | US20090202955 Gasification feed injectors and methods of modifying the cast surfaces thereof |
| 08/12/2009 | EP1570924B1 Method of working metal |
| 08/12/2009 | CN101506393A Austenite-base stainless steel pipe, for boiler, having excellent high-temperature steam oxidation resistance |
| 08/12/2009 | CN101504049A Suspension spring of high-speed locomotive steering frame and manufacturing method thereof |
| 08/12/2009 | CN101503755A Numerical control supersonic machining apparatus for general lathe |
| 08/06/2009 | WO2009095264A1 Method of producing a hot-rolled twip-steel and a twip-steel product produced thereby |
| 08/05/2009 | CN100523263C Iron-base shape memory alloy locked key and its manufacturing and using method |
| 08/05/2009 | CN100523230C Method of increasing toughness of heat-affected part of steel product welded joint |
| 08/04/2009 | US7568368 Method for the surface treatment of ferritic/martensitic 9-12% Cr steel |
| 07/29/2009 | CN101492764A Device for compactly extruding brazing seam of welded tube |