| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 08/26/2004 | US20040163439 Method of making a hardened motor-vehicle part of complex shape |
| 08/26/2004 | US20040163436 Method of metal and alloy billet treatment |
| 08/19/2004 | US20040159696 Thick-section metal forming via friction stir processing |
| 08/19/2004 | DE10304979A1 Process and assembly to shape and harden sheet steel in e.g. automotive body panel industry by presentation of hot work piece to drawing press |
| 08/18/2004 | EP1447455A1 Method for processing welded metalwork joints by high-frequency hummering |
| 08/18/2004 | EP1446244A1 Flattened u-bolt and method-for making said u-bolt |
| 08/17/2004 | US6776855 Maraging steel excellent in fatigue characteristics and method for producing the same |
| 08/10/2004 | US6773482 cold work steel alloy for the manufacture of parts by powder metallurgy |
| 08/05/2004 | US20040149362 Cold-worked steels with packet-lath martensite/austenite microstructure |
| 08/05/2004 | US20040149361 Lower temperature thixoforging; including silicon with phosphorus, bismuth, tin, arsenic and/or antimony at fixed proportion |
| 08/05/2004 | US20040149359 Method of fabricating a steel forging, and a forging obtained thereby |
| 08/05/2004 | US20040148839 Method for gun barrel manufacture using tailored autofrettage mandrels |
| 07/29/2004 | DE10237446B4 Verwendung eines Chrom-Stahls und dessen Herstellung Use of a chromium steel and its manufacturing |
| 07/28/2004 | EP1439933A1 Apparatus and method for forming weld joints having compressive residual stress patterns |
| 07/21/2004 | EP1438150A1 Device and method for producing microcrystalline materials |
| 07/20/2004 | CA2177643C Process for the production of pipes by the uoe process |
| 07/15/2004 | WO2004059016A2 Method for the production of a screw, and screw produced according to said method |
| 07/15/2004 | WO2004059015A1 Method of refining metal surface and metal product by the method |
| 07/15/2004 | WO2004058482A2 Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load |
| 07/15/2004 | DE10358351A1 Valve tappet for combustion engine and production process, has micro pits formed by radiation in the smooth gas carbon nitride steel upper surface of the tappet |
| 07/14/2004 | CN1511673A Method for producing steel forge piece and forge piece produced therefrom |
| 07/08/2004 | DE10260828A1 Verfahren zur Herstellung einer Schraube sowie nach dem Verfahren hergestellte Schraube A process for producing a screw, and prepared by the process screw |
| 07/07/2004 | EP1434889A1 High-hardness, highly ductile ferrous articles |
| 07/07/2004 | CN1156346C Device for controlling steel processing flow line |
| 07/01/2004 | DE10260856A1 Verfahren zur Steigerung einer Dauerfestigkeit eines mit wenigstens einem Hohlraum ausgebildeten metallischen Bauteiles unter zyklischer Innendruckbelastung A method for increasing fatigue strength of a trained with at least one cavity metallic component under cyclic internal pressure |
| 06/30/2004 | CN1508275A Steel for mechanical structure, method for thermo-forming said steel part and part obtained therefrom |
| 06/30/2004 | CN1508270A Brazing tool internal hole surface treating method |
| 06/23/2004 | EP1358359B1 Steel and method for producing an intermediate product |
| 06/17/2004 | WO2004051075A1 Method for producing high pressure fuel accumulators |
| 06/16/2004 | EP1428588A1 Device and method for heat treatment of flat metal |
| 06/10/2004 | US20040109767 Metallic article with integral end band under compression |
| 06/10/2004 | US20040108027 Making a semi-finished article of air-hardened steel;cold-forming the semi-finished article into a finished-shape part or component with a predetermined finished shape; hardening the finished-shape part or component by a heat treating |
| 06/09/2004 | EP1426459A1 Machine structural steel, process for thermoforming a piece made of this steel and piece produced by this process |
| 06/09/2004 | EP1426453A1 Process for the production of a steel forged part and part obtained thereof |
| 06/09/2004 | EP0828862B2 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
| 06/03/2004 | WO2004046400A1 Cold-worked steels with packet-lath martensite/austenite microstructure |
| 06/03/2004 | WO2004046399A1 Ultrasonic impact processing machine, and ultrasonic impact processing device |
| 06/03/2004 | WO2004046398A1 Ultrasonic impact processing machine, and ultrasonic impact processing device |
| 06/03/2004 | WO2004046397A1 Method of increasing strength of cold worked part by ultrasonic shock treatment, and metal product with high fracture toughness and fatigue strength |
| 06/03/2004 | WO2004046396A1 Method of increasing fatigue strength of cut face of metal by ultrasonic shock treatment and long life metal product |
| 06/03/2004 | WO2004046395A1 Method of setting ultrasonic shock treatment conditions for metal material |
| 06/03/2004 | WO2004046394A1 Method of manufacturing metal product having nano-crystallized surface layer part |
| 06/03/2004 | WO2004046393A1 Long life rotating body with excellent fatigue strength and method of manufacturing the rotating body |
| 06/03/2004 | WO2004046392A1 Delayed fracture prevention method for steel structure and steel structure manufacturing method |
| 06/02/2004 | EP1423219A1 A method for manufacturing an ultra-high-tensile, expanded metal of steel |
| 06/01/2004 | US6743311 Forging method |
| 06/01/2004 | US6742377 Passive-adaptive indentor for stress wave cold working |
| 06/01/2004 | US6742376 Method and apparatus for manufacturing structures with improved fatigue life |
| 06/01/2004 | CA2291857C Martensitic stainless steel products |
| 05/27/2004 | WO2004044249A2 Intermetallic articles of manufacture having high room temperature ductility |
| 05/27/2004 | US20040101217 Hydrodynamic bearing, motor device, and method of plastic deformation processing |
| 05/26/2004 | EP1420895A1 Method for processing a metal slab or billet, and product produced by this method |
| 05/26/2004 | EP1420894A2 Device for processing a metal slab, plate or strip, and product produced using this device |
| 05/26/2004 | CN1498726A Grinding material, its mfg. method and mfg. appts. |
| 05/25/2004 | US6740421 Rolling process for producing biaxially textured substrates |
| 05/21/2004 | WO2004042093A1 Iron structure product and metal structure product excelling in resistance to liquid metal embrittlement and process for producing the same |
| 05/21/2004 | WO2004031418A3 Method for manufacturing products by means of deformation at increased temperatures |
| 05/20/2004 | US20040093802 Abrasive, and abrasive manufacturing method and device |
| 05/19/2004 | EP1165276A4 Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 05/18/2004 | US6735868 Surface treatment method |
| 05/13/2004 | WO2004040031A1 METHOD FOR PRODUCING OXIDATION-RESISTANT HIGH Cr FERRITIC HEAT RESISTANT STEEL |
| 05/13/2004 | WO2004040023A1 Method of increasing toughness of heat-affected part of steel product welded joint |
| 05/13/2004 | WO2004040022A1 Metal structure product with excellent environmental cracking resistance and method of enhancing environmental cracking resistance of metal structure product |
| 05/13/2004 | WO2004039517A1 Mold for casting and method of surface treatment thereof |
| 05/06/2004 | EP1415799A1 Method of improving crack resistance in fiber-metal-laminate structures |
| 05/05/2004 | CN1494597A Mfg. process for making engine components of high carbon content steel using cold forming techniques |
| 04/29/2004 | US20040081849 Method for improving crack resistance in fiber-metal-laminate structures |
| 04/28/2004 | EP1413633A1 Process for manufacturing hardened components made of steel |
| 04/28/2004 | EP1413632A2 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip |
| 04/28/2004 | EP1412542A1 Method for strengthening a steel channel member |
| 04/22/2004 | WO2004033144A1 Boxing joint with excellent fatigue strength, method of manufacturing the boxing joint, and welded structure |
| 04/22/2004 | WO2004033126A1 Press-hardened part and method for the production thereof |
| 04/22/2004 | DE10247372A1 Production of a hardened steel component comprises forming a semi-finished product made from air-hardened steel, cold forming the product to form the finished molded component, and hardening the component by heat treating |
| 04/22/2004 | DE10247301A1 Deep drawing of metal plates, for vehicle components, inserts a heated plate at annealing temperature between the upper and lower dies, to be pressed and the base embossed and be cooled within the press |
| 04/21/2004 | EP1409167A1 Method and device for shaping structural parts |
| 04/21/2004 | EP1307599B1 Mechanical method for generating nanostructures and mechanical device for generating nanostructures |
| 04/21/2004 | CN1491286A High-hardness, highly ductile ferrous articles |
| 04/20/2004 | US6722175 Ultrasonic machining and reconfiguration of braking surfaces |
| 04/15/2004 | WO2004031428A1 Steel composition and parts forged by a forging die |
| 04/15/2004 | WO2004031418A2 Method for manufacturing products by means of deformation at increased temperatures |
| 04/15/2004 | WO2004030858A1 Device and method for machining surfaces of workpieces |
| 04/15/2004 | DE10254695B3 Production of a metallic component, especially a vehicle body component, from a semifinished product made of non-hardened heat-deformable sheet steel comprises cold-forming, trimming, hot-forming and press-hardening processes |
| 04/15/2004 | DE10245396A1 Vorrichtung und Verfahren zur Oberflächenbearbeitung von Werkstücken Apparatus and method for surface treatment of workpieces |
| 04/14/2004 | EP1408131A1 Steel composition and forged workpieces made thereof |
| 04/13/2004 | US6719599 High efficiency hydrofoil and swim fin designs |
| 04/13/2004 | US6718809 Method for processing billets out of metals and alloys and the article |
| 04/08/2004 | WO2004029303A1 Method of improving fatigue strength of work end portion of steel |
| 04/08/2004 | WO2004028739A1 Method and device for creating internal compression stresses within the surface of workpieces |
| 04/08/2004 | WO2004028718A1 Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method |
| 04/08/2004 | US20040067320 Modifying grain structure to improve oxidation resistance |
| 04/08/2004 | US20040064945 Method of forming turbine blade root |
| 04/08/2004 | DE10307184B3 Production of hardened components used as aluminum vehicle parts comprises heating a metal sheet plate to a hardening temperature, hot deforming, configuring into a final shape, and hardening |
| 04/07/2004 | CN1144647C Multi-needle impact head for ultrasonic impact gun |
| 04/01/2004 | WO2004007893A3 Improving collapse resistance of tubing |
| 04/01/2004 | DE10256703B3 Production of a fuel high pressure storage unit for a fuel injection system of an engine comprises extruding a hollow profile of a tubular base body with connecting strips and/or fixing strips |
| 04/01/2004 | DE10244338A1 Production of hollow cast parts used as integral cast parts comprises impinging cast parts with an inner high pressure deforming tool having an inner high pressure |
| 04/01/2004 | DE10243415A1 Verfahren zur Erzeugung von Druckeigenspannungen in der Oberfläche von Werkstücken A method for generating internal compressive stress in the surface of workpieces |
| 03/31/2004 | EP1403388A1 Process for making products by high temperature deformation |
| 03/31/2004 | EP1401615A1 Ceramic blasting apparatus and method to prevent gear pitting |
| 03/30/2004 | US6711928 Method and apparatus for producing beneficial stresses around apertures, and improved fatigue life products made by the method |