| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 10/24/2007 | CN101058864A Carburized component and manufacturing method thereof |
| 10/23/2007 | CA2362302C Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 10/18/2007 | WO2007115843A1 Parting and cutting tool and method of producing a parting and cutting tool |
| 10/17/2007 | CN101057078A Compressor wheel |
| 10/10/2007 | EP1347842A4 Apparatus and method for rolling workpieces |
| 10/10/2007 | CN101050515A Method for raising service life of coat layer of heat barrier by surface modification of metal binder course |
| 10/10/2007 | CN100342038C Cold-worked steels with packet-lath martensite/austenite microstructure |
| 10/03/2007 | EP1839919A1 Helical compression spring |
| 10/03/2007 | EP1281782B1 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same |
| 10/03/2007 | EP1161315B1 Method and apparatus for densifying powder metal preforms |
| 10/03/2007 | CN101045974A Manufacturing method for pressing-bend cool-forming round steel pipe with excellent shake proof property |
| 10/03/2007 | CN100340678C A method for enduing high-vanadium high-cobalt high-speed steel with superplasticity property |
| 09/27/2007 | WO2007107588A2 Vibration-type measurement sensor |
| 09/27/2007 | WO2007082786A8 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 09/26/2007 | CN101041885A Steel for plastic molds and process of heat treatment thereof |
| 09/26/2007 | CN101041168A Method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated |
| 09/26/2007 | CN100339606C Method for manufacturing a bearing raceway member |
| 09/20/2007 | WO2007105775A1 Process for manufacturing metal member, and structural member |
| 09/20/2007 | CA2645470A1 Process for producing metallic component and structural member |
| 09/18/2007 | US7270504 Cutting tool for metal working as well as method in the production of cutting tools |
| 09/18/2007 | CA2325897C Process for ultrasonic peening of large annular surfaces on thin parts |
| 09/18/2007 | CA2266564C High-strength high-toughness steel products and production method thereof |
| 09/13/2007 | US20070211972 Ball Element for Two-Part Ball Pivots and Process for Manufacturing Same |
| 09/12/2007 | EP1831409A1 Method for case hardening a component by means of oil jets and device for carrying out said method |
| 09/12/2007 | EP1831408A2 Composition and process for enhanced properties of ferrous components |
| 09/12/2007 | CN200946158Y Rolling ball type cutter |
| 09/07/2007 | WO2007099949A1 Steel pipe excellent in steam resistance oxidation characteristics and method for manufacturing the same |
| 09/07/2007 | CA2627938A1 Heat exchange apparatus and method of use |
| 09/05/2007 | CN101029350A Process for enbancing surface by high-pressure water jet-flow |
| 09/05/2007 | CN100335707C 缝纫机 Sewing |
| 08/30/2007 | WO2007096929A2 Optical method for evaluating the surface-hardening of a metallic or a metal-containing material |
| 08/29/2007 | CN200940152Y Tool for ultrasonic impacting for narrow space weld-seam |
| 08/29/2007 | CN101024862A Technical hole wall intensifying method based on laser impaction wave and apparatus |
| 08/23/2007 | DE102006008170A1 Steel shot blasting process to modify the tensile characteristics of a cast metal crankcase produced by e.g. lamellar cast or vermicular cast iron |
| 08/22/2007 | CN2937151Y 扁平冲击针 Flat impact needle |
| 08/22/2007 | CN2937150Y Ultrasonic impact tool for soldering seam of impeller of aircraft engine |
| 08/22/2007 | CN1332774C Blank for gunbarrel, method for producing said gunbarrel and gunbarrel |
| 08/22/2007 | CN101020947A Haydite rolling deformation process and apparatus for sprayed and deposited porous material |
| 08/22/2007 | CN101020946A Composite shot blasting reinforcement process to raise fatigue strength of titanium metal |
| 08/22/2007 | CN101020945A Plastic deforming chamfer process to raise fatigue strength of hole and opening position |
| 08/14/2007 | US7255758 Heat resistance and fatigue strength, and can be produced through a drawing without applying a quenching and tempering process |
| 08/08/2007 | EP1814691A1 Method and device for hardening the surfaces of components |
| 08/08/2007 | CN101012493A Nanolizing method for metal surface |
| 08/01/2007 | EP1813686A1 Preparation of an article surface having a surface compressive texture |
| 08/01/2007 | EP1812195A2 Active beam delivery system for laser peening and laser peening method |
| 08/01/2007 | CN1329544C High anti-extrusion petroleum casing pipe and method for producing same |
| 08/01/2007 | CN1329543C Method for producing oxidation-resistant high Cr ferritic heat resistant steel |
| 08/01/2007 | CN1329534C Mfg. process for making engine components of high carbon content steel using cold forming techniques |
| 08/01/2007 | CN1329532C 超声波金属表面加工装置 Ultrasonic metal surface machining apparatus |
| 07/26/2007 | WO2007082786A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 07/26/2007 | US20070173143 High efficiency hydrofoil and swim fin designs |
| 07/26/2007 | US20070169532 Method and apparatus for increasing the fatigue life, in particular the bending fatigue life and the torsional fatigue life of crankshafts |
| 07/26/2007 | CA2634527A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 07/25/2007 | EP1809907A1 Compressor wheel |
| 07/25/2007 | EP1809714A1 Method for coating metal surfaces |
| 07/25/2007 | EP1446244B1 Method for making a flattened u-bolt |
| 07/25/2007 | CN101006189A Method of manufacturing a hardened forged steel component |
| 07/25/2007 | CN101003876A Method for improving wearability of wearable high manganese steel by using asymmetrical rolling |
| 07/19/2007 | WO2007079876A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 07/19/2007 | CA2636287A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 07/18/2007 | EP1347072B1 Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring |
| 07/18/2007 | EP1297063B1 Non-inflammable, translucent polycarbonate molding materials |
| 07/18/2007 | CN2923146Y Controllable deformation electronic-beam precision-finishing processing apparatus |
| 07/18/2007 | CN100999050A Production method of low iron loss high magnetic sensing cold milling orientation less electrical steel plate |
| 07/11/2007 | EP1805331A1 Mechanically-stressed actuator or bearing component made from mechanically-hardened steel |
| 07/04/2007 | EP1803526A1 Mandrel assembly and method of using the same |
| 07/04/2007 | CN1990184A Abrasive, and abrasive manufacturing method and device |
| 06/28/2007 | US20070144635 Method for manufacturing articles using a semi-continuous flow of work-pieces through metal working and annealing apparatus |
| 06/28/2007 | US20070143997 Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 06/27/2007 | CN2915878Y High power diesel engine air valve surface alloy hardening machine |
| 06/27/2007 | CN1986886A High speed fuel gas spraying process for treating piston rod surface |
| 06/20/2007 | EP1485510A4 Method and apparatus for providing a layer of compressive residual stress |
| 06/14/2007 | WO2007066540A1 Method of enhancing fatigue strength of friction welded joint with burr |
| 06/14/2007 | US20070134059 Circularly welded joint featuring excellent fatigue strength, method of producing circularly welded joint and welded structure |
| 06/14/2007 | US20070132238 Threaded joint for oil an well pipe and method for manufacturing same |
| 06/14/2007 | DE102004022248B4 Verfahren zur Herstellung von Kugeln oder Kugelsegmenten, sowie danach hergestelltes Kugelelement für zweiteilige Kugelzapfen Process for the preparation of spheres or spherical segments, and then made spherical member for two-piece ball stud |
| 06/13/2007 | EP1795285A1 Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 06/13/2007 | CN1978672A Metal sheet surface nano crystallization method using pressure sliding-rolling |
| 06/06/2007 | CN1320134C Reinforcement method of armor plate capability resistant to cut-in of bullet |
| 06/06/2007 | CN1320133C Post-processing method for steel-back aluminium-base solid-liquid-phase composite plate |
| 05/31/2007 | WO2007060284A1 Forming device and method for smoothing the surface of a workpiece |
| 05/31/2007 | US20070122251 Cold-rolled fixing screw comprising a self-tapping thread |
| 05/30/2007 | EP1789597A1 Method of manufacturing a hardened forged steel component |
| 05/30/2007 | CN1970212A Solid wire for gas shielded arc welding having excellent welding property |
| 05/24/2007 | WO2005074457A3 Method for preparing ultrafine-grained metallic foil |
| 05/24/2007 | US20070116591 Inductive heating process control of continuous cast metallic sheets |
| 05/23/2007 | CN1317091C Mold for casting and method of surface treatment thereof |
| 05/16/2007 | CN1316053C Metal material index rolling method |
| 05/16/2007 | CN1316051C High carbon hot-rolled steel sheet and method for manufacturing the same |
| 05/16/2007 | CN1315589C Device for processing a metal slab, plate or strip, and product produced using this device |
| 05/09/2007 | EP1783234A2 Method for manufacturing products by plastic deformation at high temperatures |
| 05/08/2007 | CA2412092C A method and device for shaping structural parts |
| 05/03/2007 | WO2007049915A1 Corrosion resistance improved steel sheet for autmotive muffler and method of producing the steel sheet |
| 05/03/2007 | WO2007015859A3 Process for laser rounding and flattening of cylindrical parts |
| 05/03/2007 | DE102005052069A1 Verfahren zum Herstellen von Vormaterial aus Stahl durch Warmverformen A method for manufacturing of such material made from steel by hot working |
| 05/02/2007 | CN1957101A Steel with high mechanical strength and wear resistance |
| 04/24/2007 | CA2371333C Steel for plastic molds and process for the heat treatment thereof |
| 04/18/2007 | CN1950619A Ball element for two-part ball pivot and corresponding method of production |
| 04/18/2007 | CN1950171A Method for joining dispersion-strengthened alloy |
| 04/18/2007 | CN1947928A Manufacturing method of block with perfect cold-forging property |