| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 09/29/2011 | CA2793707A1 Method for manufacturing spring |
| 09/28/2011 | EP2367962A1 Method for producing partially hardened components from sheet steel |
| 09/28/2011 | CN102203300A Ultra-high strength stainless alloy strip, a method of making same, and a method of using same for making a golf club head |
| 09/28/2011 | CN101899559B Manufacturing method of high strength bumper for automobile side-door |
| 09/22/2011 | CA2804466A1 Metallic components for use in corrosive environments and method of manufacturing |
| 09/21/2011 | EP2366034A1 Process for producing a component having improved elongation and break properties |
| 09/20/2011 | CA2638730C Method for improving residual stress of structure member |
| 09/15/2011 | US20110223300 Food holding device, method of making, and method of storing cooked food |
| 09/14/2011 | CN201971867U 金属磨料强化装置 Metal abrasive tempering device |
| 09/14/2011 | CN101886160B Metal surface modification method through emulsion jet |
| 09/13/2011 | CA2448485C Ceramic blasting apparatus and method to prevent gear pitting |
| 09/07/2011 | EP2363243A1 Method for manufacturing blasting material for shot-peening |
| 09/06/2011 | US8011096 Methods for increasing the fatigue life, of crankshafts |
| 09/01/2011 | WO2011037759A3 Processes for reducing flatness deviations in alloy articles |
| 09/01/2011 | US20110212808 Rolling bearing arrangement and planetary transmission comprising the rolling bearing arrangement |
| 08/31/2011 | CN101152689B Renovation technology for ladle |
| 08/30/2011 | US8007602 Spring element made from a ferritic chromium steel |
| 08/24/2011 | EP2360447A1 Method for determining the surface coverage obtained by shot peening |
| 08/24/2011 | EP2359951A1 Tools with a thermo-mechanically modified working region and methods of forming such tools |
| 08/24/2011 | CN102162075A Austenitic stainless steel with excellent polishing performance and manufacturing method thereof |
| 08/24/2011 | CN102162023A Uniform post-treatment method for steel aluminum 9 graphite solid-liquid phase composite board |
| 08/24/2011 | CN102162022A Uniform post-treatment method for steel and aluminum 4 graphite solid-liquid phase composite plate |
| 08/24/2011 | CN102162021A Uniform post-treatment method for steel aluminum 5 graphite solid-liquid phase composite board |
| 08/24/2011 | CN101307676B Renewed superhigh intensity distortion-resistant anti-corrosive oil well pipe and its process |
| 08/18/2011 | WO2011069906A3 Method for producing an easily deformable flat steel product, flat steel product, and method for producing a component from such a flat steel product |
| 08/18/2011 | DE102006019405B4 Werkzeug zur Kaltexpansion von Löchern Tool for cold expansion of holes |
| 08/17/2011 | EP2357262A1 Crankshaft and production method therefor |
| 08/17/2011 | CN201933112U 蒙皮张拉工装 Skin Tension Tooling |
| 08/17/2011 | CN102154541A Method for intensifying Cr-Mo alloy cast iron thin-wall cylinder liner |
| 08/16/2011 | US7998289 Press-hardened part and method for the production thereof |
| 08/11/2011 | US20110192205 Peening process for enhancing surface finish of a component |
| 08/11/2011 | DE102009042387A1 Producing sheet steel component having areas of different hardness or ductility, comprises cold-forming sheet steel into component in first tool from a blank, and heating the formed component to temperature above austenitizing temperature |
| 08/10/2011 | EP2353782A1 Peening process for enhancing surface finish of a component |
| 08/10/2011 | EP2352926A1 Anchor bolt and method for making same |
| 08/10/2011 | CN1900488B Variable stator blade, method for repair of a blade |
| 08/10/2011 | CN101691186B Production process of high-rigidity prestressed crane girder |
| 08/09/2011 | US7992416 Ultrasonic peening treatment of assembled components |
| 08/04/2011 | WO2011092831A1 Shot apparatus for improving fatigue characteristics of welded joint, method for improving fatigue characteristics, and method for producing welded joint having improved fatigue characteristics |
| 08/03/2011 | EP2351621A1 Carbon steel wire with high strength and excellent ductility and fatigue resistance, process for producing same, and method of evaluation |
| 08/03/2011 | EP2350326A1 Ultra-high strength stainless alloy strip, a method of making same, and a method of using same for making a golf club head |
| 08/03/2011 | EP2214949B1 Formed article for vehicle body structural member |
| 08/03/2011 | CN101506393B Austenite-base stainless steel pipe, for boiler, having excellent high-temperature steam oxidation resistance |
| 07/28/2011 | US20110179843 Method for hardening the surface of a component in a wind turbine |
| 07/21/2011 | DE102010046776A1 Producing coil spring for motor vehicle chassis, comprises molding iron-containing metal material to screw spiral mold, heat-treating the material, hot-shot -peening heat-treated material, and then hot-hardening hot-shot-peened material |
| 07/20/2011 | CN102128333A Sealing pin of pipeline for spraying use of high-pressure fuel and pipeline used for spraying use of high-pressure fuel with the same |
| 07/20/2011 | CN102127772A Rapid and low-temperature nitrided surface treatment process for axle part |
| 07/20/2011 | CN102127626A Laser peening life extension method of aeronautical thin-walled workpiece containing through fatigue crack |
| 07/20/2011 | CN102127625A Skin tensioning tool |
| 07/20/2011 | CN101565798B Ferritic heat-resistant steel and manufacturing method thereof |
| 07/14/2011 | US20110169242 Stabilizer device and method of manufacturing same |
| 07/13/2011 | CN102121084A Low bainite cast steel shots and surface strengthening device thereof |
| 07/07/2011 | WO2011081394A2 Hot press forming process of plated steel and hot press formed articles using the same |
| 07/07/2011 | WO2011081236A1 Quenched steel sheet having excellent hot press formability, and method for manufacturing same |
| 07/07/2011 | US20110162430 Metal member manufacturing method, indenter and metal member manufacturing apparatus |
| 06/30/2011 | WO2011078165A1 High-strength spring steel |
| 06/30/2011 | DE102007016116B4 Verfahren zum Ausbilden einer Hochdruckkanalanordnung in einem Körper A method of forming a high-pressure channel arrangement in a body |
| 06/29/2011 | EP2338618A1 Method for manufacturing super strong steel body for manufacture of products with complicated shape |
| 06/29/2011 | EP1775391B1 Method of improvement of the weld zone fatigue strength of a boom and arm member of a construction machine. |
| 06/23/2011 | WO2011074600A1 Steel for leaf spring with high fatigue strength, and leaf spring component |
| 06/23/2011 | US20110146361 Method of Peening Metal Heart Valve Stents |
| 06/22/2011 | EP2336373A1 Method for producing metal member, indenter, and apparatus for producing metal member |
| 06/22/2011 | EP1929053B1 Method for making a steel part of multiphase microstructure |
| 06/22/2011 | CN101654726B Metal material large-strain processing method based on multi-pair wheel rolling and equal channel corner extrusion |
| 06/22/2011 | CN101642782B Method for preparing Cr-Ni system Austenitic heat-resistant steel springs and cool-drawn steel wires thereof |
| 06/16/2011 | WO2011070063A1 Device for autofrettage |
| 06/16/2011 | DE102009054558A1 Vorrichtung zur Autofrettage Apparatus for autofrettage |
| 06/15/2011 | CN201864755U Improved inwall shot blasting system of small diameter tube |
| 06/15/2011 | CN101660033B Method for nano reconstruction of surface texture of metal roller |
| 06/14/2011 | CA2644780C Steel tube with excellent steam oxidation resistance and method for producing the steel tube |
| 06/09/2011 | DE102009057524A1 Verfahren zum Warmwalzen eines Metallbandes oder -blechs und Warmwalzwerk A method of hot rolling a metal strip or sheet hot rolling mill and |
| 06/09/2011 | DE102009057176A1 Method for the autofrettage of a component such as a connection strip for injecting system with a wall and a cavity surrounded by the wall, comprises equipping an endangered area of the component with a reinforcing element |
| 06/09/2011 | DE102009056443A1 Crashbox und Verfahren zu deren Herstellung Crashbox and processes for their preparation |
| 06/08/2011 | CN1846067B Turbocharger compressor wheel having a counterbore treated for enhanced endurance to stress-induced fatigue and configurable to provide a compact axial length |
| 06/07/2011 | CA2640691C Method of producing ultra thin wall metallic tube by cold drawing process |
| 06/03/2011 | WO2011066126A1 Method for making creep resistant refractory metal structures |
| 06/02/2011 | US20110126605 Bend bar quality control method for laser shock peening |
| 05/26/2011 | WO2011061001A1 A method and an apparatus for prestressing components by electrical discharge |
| 05/26/2011 | US20110123820 Impact treatment method for improving fatigue characteristics of welded joint, impact treatment device for improving fatigue characteristics for same, and welded structure superior in fatigue resistance characteristics |
| 05/25/2011 | CN102071298A Shot blasting and strengthening process |
| 05/25/2011 | CN101812577B Method for reducing stress cracks of wheel blanks |
| 05/24/2011 | US7947136 Process for producing a corrosion-resistant austenitic alloy component |
| 05/24/2011 | US7946009 Peening method for vehicle suspension spring |
| 05/19/2011 | WO2011039419A3 Method for increasing natural requency of a steel plate component, and the steel plate component |
| 05/19/2011 | US20110114227 Grain refinement of metallic components by controlled strain path change |
| 05/18/2011 | CN201834943U Novel lining board of white wear-resistant ball casting barrel |
| 05/18/2011 | CN102066599A High-strength ultra-fine steel wire and manufacturing method therefor |
| 05/18/2011 | CN102066585A Method for refining the grain of metallic components by controlled strain path change |
| 05/18/2011 | CN101269742B Transportation chain and manufacturing process |
| 05/18/2011 | CN101006189B Method of manufacturing a hardened forged steel component |
| 05/12/2011 | WO2011055848A1 Multiple peening treatment method for weld toe section |
| 05/12/2011 | WO2011054571A1 Manufacturing galvannealed sheets by heat-treating electrolytically finished sheets |
| 05/12/2011 | DE102009046437A1 Verfahren zum Bearbeiten einer Einspritzdüse A method for processing an injector |
| 05/11/2011 | EP2320064A1 Method for processing an injection nozzle |
| 05/11/2011 | EP2131974B1 Method and device for machining a toothing on a sintered part |
| 05/11/2011 | CN102057173A Ball for constant velocity joint and method for producing the same |
| 05/11/2011 | CN102057061A Pre-process stress loading of components for post-process warp control |
| 05/11/2011 | CN102053612A Burnishing force optimization system based on TS (Takagi-Sugeno) model |
| 05/11/2011 | CN102051461A Surface strengthening method for magnetic yoke pull rod |
| 05/11/2011 | CN102051459A Method for processing injection nozzle |
| 05/11/2011 | CN101585046B SUS304 stainless steel cold-rolled plate producing method omitting annealing before cold rolling |