| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 03/30/2004 | CA2287202C Processing system for increasing the quality of a gear and a barreling apparatus usable in the same |
| 03/25/2004 | US20040055756 Collapse resistance of tubing |
| 03/24/2004 | EP1024911B1 Method for pneumatic isostatic processing of a workpiece |
| 03/18/2004 | WO2004022810A1 Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel |
| 03/18/2004 | US20040050463 High strength and corrosion resistant alloys comprising carbon, silicon, chromium, nickel, nitrogen, molybdenum, tungsten and iron, formed by heating and cooling |
| 03/18/2004 | US20040050459 Alloys having corrosion resistance and hardness used as tools |
| 03/17/2004 | EP1021572B1 Hot rolling high-strength steel structural members |
| 03/17/2004 | CN1142312C Vehicle components |
| 03/11/2004 | DE10239372B3 Production of deformed parts comprises using a deformation temperature controlled via an active medium and fitting an alloy composition in combination with a relatively low deformation speed compared with a classical deep drawing process |
| 03/11/2004 | DE10237446A1 Verwendung eines Chrom-Stahls und dessen Herstellung Use of a chromium steel and its manufacturing |
| 03/04/2004 | WO2004018271A1 Spring element made from a ferritic chrome steel |
| 03/04/2004 | US20040040944 Method for welding on stress-sensitive materials |
| 03/04/2004 | US20040040636 Metallic member forming method |
| 03/02/2004 | US6698268 Passive-adaptive indentor for stress wave cold working |
| 02/26/2004 | US20040038626 Mechanical method for generating nanostructures and mechanical device for generating nanostructures |
| 02/26/2004 | DE10018132B4 Kohlenstoffstahlmaterial und Bearbeitungsverfahren zur Festigkeitssteigerung Carbon steel material and processing method for increasing the strength |
| 02/25/2004 | CN2604443Y Metal material surface nano apparatus |
| 02/12/2004 | WO2004013359A1 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces |
| 02/12/2004 | US20040025555 Method and device for shaping structural parts |
| 02/12/2004 | CA2491743A1 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces |
| 02/10/2004 | US6688148 Annealing, coating with lubricant; drawing, reducing diameter; heat treatment, quenching |
| 02/05/2004 | WO2003059569A9 Method of forming turbine blade root |
| 02/05/2004 | DE10333285A1 Verfahren zur Herstellung einer Tellerfeder A process for producing a Belleville spring |
| 01/29/2004 | US20040016478 Inductive heating process control of continuous cast metallic sheets |
| 01/29/2004 | US20040016278 Method of producing a plate spring |
| 01/27/2004 | US6682610 Manufacturing method for hollow stabilizer |
| 01/22/2004 | WO2004007893A2 Improving collapse resistance of tubing |
| 01/21/2004 | CN1135269C High-strength spring and production mehtod thereof |
| 01/14/2004 | CN1134547C Method for controlling two-phase steel organization |
| 01/08/2004 | US20040003869 Steel material production method |
| 01/07/2004 | EP1378313A1 Process for manufacturing and/or heat treatment of a composite material |
| 01/07/2004 | CN2597483Y Device for hardening and fast rolling surface of steel rod |
| 01/06/2004 | US6673167 Power transmission shaft |
| 01/06/2004 | US6673164 Method of minimizing environmental effect in aluminides |
| 01/06/2004 | US6672838 Method for making a metallic article with integral end band under compression |
| 12/23/2003 | US6666061 Apparatus for deep rolling of recesses and radii of crankshaft journal bearings |
| 12/17/2003 | CN1462318A High manganese deplex stainless steel having superior hot workabilities and method for manufacturing thereof |
| 12/17/2003 | CN1131323C Method for producing superfine texture steel |
| 12/16/2003 | US6663501 Macro-fiber process for manufacturing a face for a metal wood golf club |
| 12/10/2003 | EP1368144A1 Stainless steel wire and method for producing a wire with improved resistance to corrosion |
| 12/10/2003 | EP1368141A2 Flat metal, production device and production method |
| 12/09/2003 | US6658907 Method of shot peening processing and article processed thereby, and peening material and use thereof |
| 12/02/2003 | US6655026 Carburizing and quenching connecting rod, forming carburized layer at surface, grinding carburized layer formed in bearing portion until depth at which compressive residual stress exhibits maximum value, shot-peening ground surface |
| 11/27/2003 | WO2003008845B1 Machine with at least one sliding surface and method for the production of a sliding surface |
| 11/26/2003 | CN1458288A Nanolizing method for metal material surface |
| 11/25/2003 | US6652672 Maximized compressive residual stress; durability |
| 11/20/2003 | WO2003095855A1 Method of producing bearing raceway member |
| 11/20/2003 | US20030213280 Control devices for cold-working structures |
| 11/12/2003 | EP1360338A2 Manufacturing process for making engine components of high carbon content steel using cold forming techniques |
| 11/05/2003 | EP1358359A2 Steel and method for producing an intermediate product |
| 11/05/2003 | EP1171252B1 Method for massive forming axisymmetric metal components |
| 10/29/2003 | CN1451769A Method for shot peening strengthening spiral bevel gear |
| 10/28/2003 | US6639962 Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel |
| 10/28/2003 | US6638634 Metal oxide layer having oxygen deficit tilting structure |
| 10/16/2003 | US20030192625 High carbon steel railroad rails; resistant to rolling fatigue damage; alloy comprises carbon, silicon, manganese, chromium, copper, nickel, molybdenum, sulfur, aluminum, and iron; ultrafine pearlite; hardness |
| 10/15/2003 | CN1124186C Processing system for improving gear quality and rotating drum polishing equipment used in said system |
| 10/09/2003 | WO2003082512A1 Apparatus and method for forming a weld joint having improved physical properties |
| 10/09/2003 | WO2003033182A3 Device and method for the production of flat metal |
| 10/09/2003 | CA2480322A1 Apparatus and method for forming a weld joint having improved physical properties |
| 10/02/2003 | WO2003080877A1 Method and apparatus for providing a layer of compressive residual stress |
| 10/02/2003 | WO2003080287A1 Passive-adaptive indentor for stress wave cold working |
| 10/02/2003 | US20030183292 Stainless steel oil feeding pipe |
| 10/02/2003 | DE10229994C1 Production and/or heat treatment of a spatial composite material made from at least two materials with different thermal expansion coefficients comprises heating the composite during its production and/or heat treatment, and cooling |
| 10/01/2003 | EP1347842A1 Apparatus and method for rolling workpieces |
| 10/01/2003 | EP1026275B1 High-strength, high-toughness rolled shape steel and production method thereof |
| 10/01/2003 | CN1446295A Stainless steel oil feeding pipe |
| 09/30/2003 | US6627005 High fatigue-strength steel wire and spring, and processes for producing these |
| 09/25/2003 | WO2003059569A3 Method of forming turbine blade root |
| 09/25/2003 | US20030180175 Corrosion-resisting and wear-resisting alloy and device using the same |
| 09/24/2003 | CN1444663A Method and device for shaping structural parts |
| 09/23/2003 | US6623400 Toroidal-type continuously variable transmission |
| 09/23/2003 | US6622570 Method for reducing tensile stress zones in the surface of a part |
| 09/18/2003 | WO2003076100A1 A method for manufacturing an ultra-high-tensile, stretch formed or stretch bent sheet metal product of steel |
| 09/18/2003 | US20030176152 Method for finishing the surface of a rolling contact component |
| 09/18/2003 | US20030172707 Passive-adaptive indentor for stress wave cold working |
| 09/18/2003 | US20030172706 Passive-adaptive indentor for stress wave cold working |
| 09/17/2003 | CN1121502C Super fine organization steel and method for mfg. same |
| 09/12/2003 | WO2003074742A1 A method for manufacturing an ultra-high-tensile pressure turned sheet metal product of steel |
| 09/11/2003 | US20030168136 Steel wire and method of manufacturing the same |
| 09/10/2003 | EP1342515A1 Process for the manufacture of closed, hardened sections with no cross-sectional limits |
| 09/09/2003 | US6617050 Low density and high ductility alloy steel for a golf club head |
| 09/09/2003 | US6616779 Workpiece made from a chromium alloy |
| 09/09/2003 | US6615636 Method and apparatus for improving the fatigue life of components and structures using the stresswave process |
| 09/02/2003 | US6612909 Media blasting apparatus and method to prevent gear pitting |
| 08/27/2003 | CN1438926A Method of production of surface densified powder metal components |
| 08/27/2003 | CN1438332A Metal-surface supersonic stress peening method |
| 08/26/2003 | US6610154 Deformation of the near surface region to a depth of 0.01-0.5 mm, for example by high intensity shot peening below the recrystallization temperature, followed by recrystallization heat treatment, preferably at solutionizing temperatures. |
| 08/26/2003 | US6609403 Endless metallic belt and manufacturing method therefor |
| 08/21/2003 | US20030158304 Containing an organic phosphonate, phosphinate, phosphine oxide, phosphate or oligophosphate and a fluorinated polyolefin |
| 08/21/2003 | US20030155041 Method of production of surface densified powder metal components |
| 08/19/2003 | US6607411 High efficiency hydrofoil and swim fin designs |
| 08/14/2003 | US20030153220 High efficiency hydrofoil and swim fin designs |
| 08/12/2003 | US6605163 Process for manufacturing a strip made of an Fe-Ni alloy |
| 08/07/2003 | US20030147769 Corrosion-resisting and wear-resisting alloy and device using the same |
| 08/07/2003 | DE10221547C1 Surface treatment of metallic materials comprises using an atmosphere having a predetermined oxygen concentration, in which the material is oxidized in the layers close to the surface by introducing an oxygen-containing gas stream |
| 07/31/2003 | US20030140991 Applying cyclic and static and load to steel |
| 07/31/2003 | CA2417739A1 Control of stress corrosion cracking growth by operational pressure control |
| 07/30/2003 | EP1036851B1 High fatigue-strength steel wire and spring, and processes for producing these |
| 07/29/2003 | US6599469 Alloy .2-.6% carbon, .05-1% silicon, .25-1% manganese, .03-.2% sulfur, </=.2% chromium, </= .45% sol-aluminum, .002-.01% titanium, .005-.025% nitrogen and .001-.005% of oxygen; after hot forging a mixed structure of ferrite and pearlite |
| 07/23/2003 | EP1235940B1 Cold formed flat-rolled steel structural members |