| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 02/04/2009 | CN101358271A Blade root surface strengthening method |
| 02/04/2009 | CN100457925C Delayed fracture prevention method for steel structure and steel structure manufacturing method |
| 01/29/2009 | WO2008148993A3 Method for assembling a part of a metal material and a part of a composite material using a fastener |
| 01/28/2009 | EP1261443B1 Method and apparatus for manufacturing structures with improved fatigue life |
| 01/28/2009 | CN101353719A Method for the surface treatment of ferritic/martensitic 9-12% cr steel |
| 01/28/2009 | CN100455697C Process for colouring martensite stainless steel piston ring |
| 01/27/2009 | US7481088 Method and device for surface blasting gas turbine blades in the area of the roots thereof |
| 01/22/2009 | US20090023014 Process for Producing Metallic Component and Structural Member |
| 01/21/2009 | EP1557477B1 METHOD FOR PRODUCING OXIDATION-RESISTANT HIGH Cr FERRITIC HEAT RESISTANT STEEL |
| 01/21/2009 | CN101348850A Container strain strengthening system and austenitic stainless steel low temperature container produced by the same |
| 01/21/2009 | CN101348843A Method for producing hot rolled steel strip for automotive frame |
| 01/21/2009 | CN100453676C Method for hot forming and hot formed member |
| 01/15/2009 | WO2009008798A1 An elongated percussive rock drilling element, a method for production thereof and a use thereof |
| 01/14/2009 | CN101343681A Steel sphere surface peening technique |
| 01/08/2009 | WO2009003601A1 Process and apparatus for the electromagnetic strengthening of metallic workpieces for drilled holes |
| 01/07/2009 | CN101338359A Pneumatic numerical control shot blasting strengthen machine |
| 01/02/2009 | DE102007028888A1 Verfahren zur Erhöhung der Festigkeit eines Bauteils Method for increasing the strength of a component |
| 12/31/2008 | CN201172673Y Special machine for strengthening steel ball |
| 12/31/2008 | CN201172672Y Alloy steel surface layer strengthening machine |
| 12/31/2008 | CN100446910C Boxing joint with excellent fatigue strength, method of manufacturing the boxing joint, and welded structure |
| 12/30/2008 | CA2389281C Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 12/24/2008 | WO2008154925A1 A microporous layer for lowering friction in metal-forming processes |
| 12/24/2008 | EP2006420A1 A microporous layer for lowering friction in metal forming processes |
| 12/24/2008 | EP2004357A1 Parting and cutting tool and method of producing a parting and cutting tool |
| 12/24/2008 | EP2004346A2 Method of producing a component |
| 12/24/2008 | CN101328532A Method for surface treatment of Cr-steel |
| 12/23/2008 | CA2386101C Method of shot peening processing and article processed thereby, and peening material and use thereof |
| 12/18/2008 | US20080308200 Steel Sheet Excellent in Workability and Method for Producing the Same |
| 12/18/2008 | US20080308199 Method and Device For the Technique of Cold Microforging Any Freely Formed 3-D Surfaces |
| 12/18/2008 | US20080308198 Austenitic Stainless Steel, Manufacturing Method for the Same, and Structure Using the Same |
| 12/18/2008 | US20080307847 Method for the surface treatment of ferritic/martensitic 9 - 12% cr steel |
| 12/17/2008 | EP0907822B1 Method for expanding a steel tubing and well with such as tubing |
| 12/17/2008 | CN101323944A Boro-carburizing microalloying method of shearer cutter |
| 12/17/2008 | CN101323900A High speed processing method for realizing superfine crystal grain structure on metallic material surface |
| 12/11/2008 | WO2008148993A2 Method for assembling a part of a metal material and a part of a composite material using a fastener |
| 12/10/2008 | CN101318262A Laser micro-modelling method for cam surface profile |
| 12/10/2008 | CN101318261A Laser composite modelling processing method for metal plastic forming mould surface |
| 12/04/2008 | US20080295557 Blasting device |
| 12/03/2008 | EP1997918A1 Steel pipe excellent in steam resistance oxidation characteristics and method for manufacturing the same |
| 12/03/2008 | EP1997917A1 Method of metal surface hardening treatment inducing transformation |
| 12/03/2008 | EP1996902A2 Vibration-type measurement sensor |
| 12/03/2008 | CN100439546C Excellent weldability 490mpa low yield ratio cold shaping steel pipe and its mfg. method |
| 12/03/2008 | CN100439542C High strength steel sheet and method for manufacturing same |
| 12/03/2008 | CN100439519C Metal structure product with excellent environmental cracking resistance and method of enhancing environmental cracking resistance of metal structure product |
| 12/02/2008 | US7459037 Method of manufacturing reactor member by using the surface treatment method |
| 12/02/2008 | US7458881 Surface treated product, surface treatment method, and surface treatment apparatus |
| 12/02/2008 | CA2361014C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
| 11/27/2008 | WO2007136547A3 Metallic article with improved fatigue performance and corrosion resistance and method for making the same |
| 11/26/2008 | EP1995335A1 Process for manufacturing metal member, and structural member |
| 11/26/2008 | EP1995334A2 Method for processing metal body and apparatus for processing metal body |
| 11/26/2008 | EP1993751A2 Method and apparatus for preventing or arresting crack development and propagation |
| 11/26/2008 | CN101311594A Nanometer metal pipe and nanometer preparation method thereof |
| 11/26/2008 | CN101311290A Nonmagnetic Strength-toughen stainless steel and method for manufacturing same |
| 11/25/2008 | CA2356026C Corrosion-resisting and wear-resisting alloy and device using the same |
| 11/20/2008 | WO2008140873A1 Seam-welded 36 ni-fe alloy structures and methods of making and using same |
| 11/20/2008 | US20080286597 Process of Forming Ultrafine Crystal Layer, Machine Component Having Ultrafine Crystal Layer Formed by the Ultrafine Crystal Layer Forming Process, Process of Producing the Machine Component, Process of Forming Nanocrystal Layer, Machine Component Having Nanocrystal Layer Formed by the Nanocrystal Layer Forming Process, and Process of Producing the Machine Component |
| 11/20/2008 | US20080282756 Shot peening methods and units |
| 11/19/2008 | CN101307676A Renewed superhigh intensity distortion-resistant anti-corrosive oil well pipe and its process |
| 11/19/2008 | CN101307415A Austenitic stainless steel with excellent abrasive resistance in whole body |
| 11/19/2008 | CN100434563C Cold-formable chrome steel |
| 11/13/2008 | US20080276753 prevents cracks during joining of cam lobe to a shaft, and improves degree of freedom of design of the lobe; internal combustion engine |
| 11/12/2008 | CN201148451Y Spray gun moving device |
| 11/12/2008 | CN100432243C Sub-stabilisation austenitic stainless steel belt of weary characteristic fine used by metal shrapnel and metal shrapnel |
| 11/06/2008 | WO2008132303A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/06/2008 | WO2008021635A3 Metal gasket and method of making |
| 11/06/2008 | DE102007019980A1 Herstellung von superplastischen UHC-Leichtbaustählen und deren Verarbeitung durch Warmumformung Production of superplastic UHC lightweight structural steels and their processing by hot working |
| 11/06/2008 | CA2680623A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/05/2008 | CN101298646A Aluminum-niobium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique |
| 11/05/2008 | CN100430249C Leaf spring for vehicle and method of manufacturing the leaf spring |
| 11/05/2008 | CN100430182C Method for manufacturing nano-crystal particle low carbon micro alloy steel |
| 11/04/2008 | US7445750 Toughness; cutting tools and of metrological instruments |
| 10/30/2008 | WO2008018980A3 Friction welding and laser shock processing |
| 10/30/2008 | US20080264129 Shot, Devices, And Installations For Ultrasonic Peening, And Parts Treated Thereby |
| 10/30/2008 | DE102007057855B3 Production of moldings with structure zones of different ductility comprises heat treatment of aluminum-silicon coated high-tensile steel blank, followed by treating zones at different temperature |
| 10/29/2008 | EP1985919A2 Surface-blasted steam generator parts or power plant components |
| 10/29/2008 | EP1985390A1 Tools with a thermo-mechanically modified working region and methods of forming such tools |
| 10/29/2008 | CN101294238A Large plastometric set method for producing ultra-fine crystal material |
| 10/29/2008 | CN101294237A Linear surface rolling equipment on ultrasonic surface and its use method |
| 10/29/2008 | CN101293230A Aeration type nozzle and adjustable cavitating water ball blasting method |
| 10/29/2008 | CN100429411C Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 10/23/2008 | WO2008089134A3 Stent with improved flexibility and method for making same |
| 10/22/2008 | CN101292049A Method of manufacturing multi phase microstructured steel piece |
| 10/22/2008 | CN100427628C Steel having finely dispersed inclusions |
| 10/21/2008 | CA2436611C High strength hot rolled steel plates having excellent bore expandability and ductility and process for producing the same |
| 10/21/2008 | CA2353265C Metallic article with integral end band under compression and method for making |
| 10/15/2008 | EP1980631A1 Method for shot peening a turbine blade for the hot area of a gas turbine |
| 10/14/2008 | US7434437 Method of making a metallic thin wire for a medical tool |
| 10/09/2008 | DE102007016116A1 Verfahren zum Ausbilden einer Hochdruckkanalanordnung in einem Körper A method of forming a high-pressure channel arrangement in a body |
| 10/08/2008 | EP1978268A1 Process for producing motion guide apparatus and motion guide apparatus produced by the process |
| 10/08/2008 | EP1978124A1 Forging steel, forging and crankshaft |
| 10/08/2008 | EP1423219B1 A method for manufacturing an ultra-high-tensile, expanded metal of steel |
| 10/07/2008 | US7431779 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces |
| 10/07/2008 | CA2301986C Device for treating surfaces by impact |
| 10/02/2008 | WO2008116243A1 Method and device for machining a toothing on a sintered part |
| 10/02/2008 | US20080236709 Cold-worked steels with packet-lath martensite/austenite microstructure |
| 10/02/2008 | US20080236237 Method of making a metallic thin wire for a medical tool |
| 10/02/2008 | CA2680320A1 Method and device for machining a toothing on a sintered part |
| 10/01/2008 | EP1974065A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 10/01/2008 | EP1974064A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 09/24/2008 | CN201120435Y Diameter enlarging machine |