| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 04/18/2007 | CN1310714C Production method of warm- or hot-formed product |
| 04/05/2007 | US20070074554 Method and apparatus for self indexing portable automated tenon peening |
| 04/04/2007 | EP1770183A1 Weldable steel of high strenght and high toughness, and method of producing members using the same |
| 04/04/2007 | EP1769760A1 Medical knife |
| 04/04/2007 | EP1494832A4 Apparatus and method for forming a weld joint having improved physical properties |
| 04/04/2007 | CN1942596A Austenitic stainless steel, method for producing same and structure using same |
| 04/04/2007 | CN1940110A Excellent weldability 490mpa low yield ratio cold shaping steel pipe and its mfg. method |
| 04/04/2007 | CN1308465C Method for processing billets out of metals and alloys and article |
| 04/03/2007 | US7198684 reduces costs by achieving a better flow of the workpieces through the manufacturing operation |
| 03/29/2007 | WO2007034063A1 Method for making a steel part of multiphase microstructure |
| 03/28/2007 | EP1767659A1 Method of manufacturing multi phase microstructured steel piece |
| 03/28/2007 | CN1935381A Texiuring mill roller and its production process |
| 03/28/2007 | CN1307316C Method for strengthening steel channel member |
| 03/21/2007 | EP1764422A1 Method for fabricating austenitic steel and compressor casing produced from said steel |
| 03/20/2007 | US7192551 Inductive heating process control of continuous cast metallic sheets |
| 03/20/2007 | US7192501 Method for improving crack resistance in fiber-metal-laminate structures |
| 03/14/2007 | CN1930310A Method for producing a structural part from hypereutectoid steel |
| 03/14/2007 | CN1927530A Apparatus for controlling welding stress deformation depending on welding friction extrusion |
| 03/14/2007 | CN1304604C Surface nanometer crystallizing modification |
| 03/13/2007 | US7188398 Method for improving the magnitude of compressive stress developed in the surface of a part |
| 03/08/2007 | US20070051439 Method for processing a steel product produced using said method |
| 03/07/2007 | CN1926250A Component with internal compressive stress, method for producing said component and device for generating internal compressive stress |
| 02/28/2007 | CN1922334A Method and device for increasing the endurance limit, in particular the bending strength and torsional strength of crankshafts |
| 02/28/2007 | CN1302127C Method and device for shaping structural parts |
| 02/27/2007 | US7181944 Method and device for shaping structural parts by shot blasting or peening |
| 02/27/2007 | US7181844 Method for increasing structural strength of spokes of a bicycle or a motorcycle |
| 02/22/2007 | WO2007020914A1 High-strength stainless-steel wire with excellent cold workability and molded article thereof |
| 02/21/2007 | CN1916193A Method for reducing interface residual stress of steel, copper, graphite composite plate |
| 02/21/2007 | CN1916192A Method for post-processing composite board of steel aluminum 7 of graphite solid liquid phases |
| 02/21/2007 | CN1916191A Method for post-processing composite board of steel aluminum 20 of tin solid liquid phases |
| 02/20/2007 | CA2363302C Shot-peening of cooled blade tops |
| 02/15/2007 | WO2007016919A1 Method and device for the technique of cold microforging any freely formed 3-d surfaces |
| 02/15/2007 | WO2006119359A3 Method of producing nanocrystalline monolithic articles |
| 02/15/2007 | CA2617305A1 Method and device for the technique of cold microforging any freely formed 3-d surfaces |
| 02/14/2007 | EP1752547A1 Crack-propagation preventing structure, method for preventing crack propagation, crack propagation preventing apparatus, and method for producing skin panel for aircraft |
| 02/14/2007 | EP1752234A1 Metallic workpiece treated by compressing its underlayers and method for manufacturing such a workpiece |
| 02/14/2007 | EP1751321A2 Steel with high mechanical strength and wear resistance |
| 02/14/2007 | EP1309423B1 Finishing of metal surfaces |
| 02/14/2007 | CN1914449A Screw joint for oil well pipe, and method of producing the same |
| 02/14/2007 | CN1912150A Steel tube excellent in exfoliating resistance for scale on inner surface of tube |
| 02/14/2007 | CN1300362C High strength cold rolled steel sheet |
| 02/13/2007 | CA2392138C Transverse ultrasound peening of blades on a rotor |
| 02/12/2007 | CA2555113A1 Metal part processed by compression of sub-layers, production process therefor |
| 02/08/2007 | CA2615916A1 Process for laser rounding and flattening of cylindrical parts |
| 02/06/2007 | US7172519 Golf club head composed of damascene patterned metal |
| 02/01/2007 | WO2007013422A1 Process for producing motion guide apparatus and motion guide apparatus produced by the process |
| 02/01/2007 | DE202006017613U1 Hydraulic pressure automatic frettage assembly has inner charge of fluid displaced by insertion of piston through aperture |
| 01/31/2007 | CN1905986A Process for forming ultrafine crystal layer, machine component having ultrafine crystal layer formed by the ultrafine crystal layer forming process, process for producing the machine component, proces |
| 01/30/2007 | US7169351 Method of production of surface densified powder metal components |
| 01/30/2007 | US7168142 Method of manufacturing a shaped titanium article |
| 01/25/2007 | US20070017608 Laser rounding and flattening of cylindrical parts |
| 01/24/2007 | EP1744854A1 Method for joining dispersion-strengthened alloy |
| 01/24/2007 | CN1900488A Variable stator blade, method for repair of a blade |
| 01/24/2007 | CN1296509C High strength weldable ageing hardening steel and its production method |
| 01/24/2007 | CN1296497C Double temperature quenching and strong toughening treatment method for cold forging die |
| 01/23/2007 | CA2258161C Powder metallurgical body with compacted surface |
| 01/18/2007 | DE102005033183A1 Smoothing tooth sides and gearing of low modulus, with simultaneous cold hardening, by applying smoothing wheel under radial pressure and axial oscillating movement to give nanostructured surface |
| 01/17/2007 | EP1743103A1 Ball element for two-part ball pivot and corresponding method of production |
| 01/17/2007 | EP1165276B1 Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 01/11/2007 | US20070006943 Device for generating nanostructures |
| 01/10/2007 | EP1741795A1 Corrosion-resisting and wear-resisting alloy and device using the same |
| 01/10/2007 | EP1741794A2 Surface strengthening method |
| 01/10/2007 | CN1894433A Cold-rolled fixing screw comprising a self-tapping thread |
| 01/09/2007 | US7159425 Method and apparatus for providing a layer of compressive residual stress in the surface of a part |
| 01/04/2007 | WO2006124616A3 Ultrasonic peening treatment of assembled components |
| 12/28/2006 | US20060289090 Method of refining metal surface and metal product by method |
| 12/27/2006 | CN1292088C Hot rolled steel plates with excellent machinability, fatigue strength and surface appearance |
| 12/21/2006 | WO2005123975A3 Steel with high mechanical strength and wear resistance |
| 12/20/2006 | CN1291046C Process for making double peak grain size distributed superfine grain structure from 20CrMnTi steel |
| 12/19/2006 | US7150922 Modifying grain structure to improve oxidation resistance |
| 12/19/2006 | CA2317845C Shaped metal panels and forming same by shot peening |
| 12/14/2006 | US20060277753 Method of repairing a blade member |
| 12/13/2006 | EP1731750A2 Device with junction of drilled holes |
| 12/13/2006 | CN1876896A Boron-Chromium-rare earth co-infiltration process combined with pre-infiltration cold deformation for workpiece |
| 12/12/2006 | US7147726 Surface nanocrystallization by ball milling including setting in a circular motion a quantity of perfectly spherical balls in a chamber, at least one of whose walls supports or is the metal piece to be treated and imparting a vibrating motion perpendicular to the plane of the circulation motion |
| 11/29/2006 | EP1726861A1 Screw joint for oil well pipe, and method of producing the same |
| 11/29/2006 | EP1725689A2 Forged or stamped average or small size mechanical part |
| 11/28/2006 | US7140216 laser aligned shotpeen nozzle |
| 11/28/2006 | CA2381508C Cold-working steel alloy for the powder metallurgical production of parts |
| 11/23/2006 | WO2006124616A2 Ultrasonic peening treatment of assembled components |
| 11/23/2006 | WO2006057836A3 Welded joints with new properties and provision of such properties by ultrasonic impact treatment |
| 11/23/2006 | US20060260378 Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method |
| 11/22/2006 | CN1865481A Process for preparing bainite antiwear steel plate |
| 11/22/2006 | CN1865480A Thin gauge gas cylinder steel with good stamping performance and process for producing same |
| 11/22/2006 | CN1285748C Low carbon silicon cold rolling phase variable plastic steel and production thereof |
| 11/21/2006 | US7137282 Laser shock peening |
| 11/16/2006 | WO2006119944A1 Method and installation for hardening fillets of a shaft |
| 11/15/2006 | EP1721018A1 Method for producing a structural part from hypereutectoid steel |
| 11/15/2006 | EP1412542B1 Method for strengthening a steel channel member |
| 11/09/2006 | WO2006119359A2 Method of producing nanocrystalline monolithic articles |
| 11/09/2006 | WO2005074600A3 Treatment of spot welded joints for fatigue life improvement |
| 11/08/2006 | CN1858286A High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties |
| 11/08/2006 | CN1858284A Super fine crystal microalloyed medium carbon steel coil and its producing method |
| 11/08/2006 | CN1283828C Steel for mechanical structure, method for thermo-forming said steel part and part obtained therefrom |
| 11/07/2006 | US7131310 Method for manufacturing improved fatigue life structures, and structures made via the method |
| 11/02/2006 | EP1716260A1 Method and device for increasing the endurance limit, in particular the bending strength and torsional strength of crankshafts |
| 11/01/2006 | CN1854324A Production of high-alloy cold mould steel |
| 10/26/2006 | WO2006111829A1 Method for obtaining enhanced fatigue strength in welded metal joints and hammer head for use at cold working |
| 10/26/2006 | US20060237104 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces |
| 10/26/2006 | US20060236738 Shot-blasting installation for blasting work pieces made from light metal alloys |