| Patents for C21D 7 - Modifying the physical properties of iron or steel by deformation (3,811) |
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| 03/03/2005 | WO2004081250A3 Steel having finely dispersed inclusions |
| 03/03/2005 | WO2004059016A3 Method for the production of a screw, and screw produced according to said method |
| 03/02/2005 | CN1586762A Super plasticity processing method for in-situ autogenic titanium base composite material |
| 03/02/2005 | CN1191379C Method for shot blasting strengthening spiral bevel gear |
| 03/01/2005 | US6861029 Carbon, silicon, manganese, copper, magnesium, sulfur, group iiib elements, boron and silicon at > 2.4% wt with an iron balance |
| 02/24/2005 | US20050039511 Method and apparatus for providing a layer of compressive residual stress in the surface of a part |
| 02/24/2005 | DE19852734B4 Feder mit verbesserter Korrosionsermüdungsbeständigkeit Spring with improved corrosion fatigue resistance |
| 02/24/2005 | DE10359679B3 Fixing screw formed by cold rolling consists of a material made from steel having a ferritic structure and further components having a higher carbon content compared with the carbon in the ferrite |
| 02/24/2005 | DE10353727A1 Thread has profiling in form of protrusions and/or recesses on at least one flank surface, with angular distance between two adjacent protrusions and/or recesses preferably at least 30 degrees |
| 02/23/2005 | CN2680681Y Quick mounting and dismounting clamp special for stress shot-peening |
| 02/22/2005 | US6858099 Cold plastic- working marageing steel to form a predetermined dimension; solution-heating at 750-800 degrees C. for 60 minutes or more; and aging to form steels of high fatigue strength used in power transmission industrial |
| 02/22/2005 | US6858096 Carburizing-quenching and carbonitriding-quenching; shot peening; finish grinding |
| 02/22/2005 | CA2158761C Method for work-hardening by rolling a component |
| 02/17/2005 | WO2005014869A2 Process of preparing metal parts to be heated by means of infrared radiance |
| 02/17/2005 | US20050034500 Device for processing a metal slab, plate or strip, and product produced using this device |
| 02/17/2005 | DE10361702A1 Verfahren zum Verbessern der Beulfestigkeit eines Stahlblechs A method for improving the buckling strength of a steel sheet |
| 02/16/2005 | EP1507015A1 High-temperature member for use in gas turbine |
| 02/16/2005 | CN2678818Y Centrifugal slinging steel ball mutual collision strengthening machine |
| 02/15/2005 | US6855208 Method and devices for peening and cleaning metal surfaces |
| 02/10/2005 | US20050028574 Flat metal, production device and production method |
| 02/10/2005 | DE10333272A1 Spring element used as a sprung blade for windscreen wipers on motor vehicles is made from a ferritic chrome steel containing alloying additions of silicon, manganese, chromium, molybdenum, copper, niobium and vanadium |
| 02/09/2005 | EP1505306A1 Method of producing bearing raceway member |
| 02/09/2005 | CN1575882A Method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated |
| 02/09/2005 | CN1188244C Vibration amplitude arm for ultrasonic impact gun |
| 02/08/2005 | US6852181 Cold working of a high strength steel rods |
| 02/08/2005 | US6851455 A fuel-filler tube for automobile made of a welded pipe of corrosion- resistant and cracking resistance astenitic or ferritic stainless steel, has a fuel supply opening with high dimensional accuracy |
| 02/03/2005 | US20050022572 Method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated |
| 02/03/2005 | DE10000796B4 Verfahren und Vorrichtung zur Autofrettage von fertig gebogenen oder sonst umgeformten Rohrleitungen Method and apparatus for autofrettage of finished bent or otherwise deformed pipes |
| 01/27/2005 | WO2005007314A1 Fatigue enhancement of material surrounding openings in workpieces |
| 01/27/2005 | US20050019491 Beta-phase nickel aluminide overlay coating and process therefor |
| 01/27/2005 | US20050016245 Method for manufacturing improved fatigue life structures, and structures made via the method |
| 01/26/2005 | EP1500712A1 Method and devices for refining and cleaning metal surfaces |
| 01/26/2005 | EP1434889A4 High-hardness, highly ductile ferrous articles |
| 01/26/2005 | CN1570156A Mechanical force shot-peening surface nano method |
| 01/20/2005 | US20050014453 Process of preparing metal parts to be heated by means of infrared radiance |
| 01/20/2005 | US20050011246 Method for improving dent-resistance of a steel plate |
| 01/19/2005 | CN1568232A Flat metal, production device and production method |
| 01/18/2005 | US6843957 Ultrasonic impact methods for treatment of welded structures |
| 01/13/2005 | US20050005669 Fatigue enhancement of material surrounding openings in workpieces |
| 01/13/2005 | US20050005668 Tubing expansion |
| 01/12/2005 | EP1494832A1 Apparatus and method for forming a weld joint having improved physical properties |
| 01/06/2005 | US20050002744 Cutting tool for metal working as well as method in the production of cutting tools |
| 01/05/2005 | EP1493512A1 High-strength stainless steel bolt and method of manufacturing the same |
| 01/05/2005 | EP1307598B1 Method and device for generating nanostructures |
| 01/05/2005 | DE19511882B4 Verfahren zum Verfestigen von Werkstückoberflächen A method of solidifying workpiece surfaces |
| 01/05/2005 | CN1561267A Device for processing a metal slab or billet, and product produced using said device |
| 01/04/2005 | US6837085 Transverse ultrasound peening of blades on a rotor |
| 12/30/2004 | US20040261487 Method for increasing structural strength of spokes of a bicycle or a motorcycle |
| 12/29/2004 | EP1491230A2 A method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated |
| 12/29/2004 | EP1490187A1 A method for manufacturing an ultra-high-tensile, stretch formed or stretch bent sheet metal product of steel |
| 12/23/2004 | US20040256029 Rolling element and method of producing the same |
| 12/23/2004 | DE10325976A1 Production procedure for producing component used in construction of vehicles, involves performing local development on areas of component using shot-peening treatment based on extent of deformation of areas of component |
| 12/18/2004 | CA2470286A1 A long term-stabilized suspension for covering iron mineral, and a process for its production |
| 12/16/2004 | US20040250925 Passing between rotating rolls having a different peipheral velocity of 10-100%; for each pass the thickness is reduced 15% and the grain refinement is uniform throughout the product including the closure of most of the core pores; aircraft, e.g., floor beams; plates; dies; tools; metal working |
| 12/16/2004 | US20040250923 Method for producing oxidation-resistant high cr ferritic heat resistant steel |
| 12/16/2004 | US20040250920 Method for generating nanostructures and device for treating nanostructures |
| 12/16/2004 | US20040250584 Methods for altering residual stresses using mechanically induced liquid cavitation |
| 12/15/2004 | EP1485510A1 Method and apparatus for providing a layer of compressive residual stress |
| 12/15/2004 | EP1485228A1 Passive-adaptive indentor for stress wave cold working |
| 12/15/2004 | CN1180095C Method of making nano surface of metallic material using ultrasonic speed micro particle bombardment |
| 12/15/2004 | CN1179877C Mechanical method and special mechanical equipment for forming nano structure |
| 12/09/2004 | WO2004106573A1 Method for hot forming and hot formed member |
| 12/09/2004 | US20040248481 High efficiency hydrofoil and swim fin designs |
| 12/09/2004 | US20040244882 Reinforcement welding using ultrasonic IMPACTING |
| 12/09/2004 | DE10323342A1 Processing method for piston rod of internal combustion engine, involves processing junction surface of piston rod with bearing seat of crankshaft to have predetermined upper structure |
| 12/08/2004 | EP1483417A1 A method for manufacturing an ultra-high-tensile pressure turned sheet metal product of steel |
| 12/07/2004 | US6826940 Method of metal and alloy billet treatment |
| 12/02/2004 | US20040238074 Cold-formed spring having high fatigue strength and high corrosion fatigue strength, steel for such spring, and method of manufacturing such spring |
| 12/01/2004 | EP1481109A1 Use of chrome steel as raw material for corrosion-resistant spring elements and method for producing said chrome steel |
| 12/01/2004 | CN1550559A Die surface intensifying process |
| 12/01/2004 | CN1177942C Method for treating brittle thin metal strip and magnetic parts made from nanocrystalline alloy strip |
| 11/25/2004 | WO2004101846A1 Cutting tool for metalworking as well as method in the production of cutting tools |
| 11/18/2004 | WO2004099451A2 Method for treating the surface of a machine element |
| 11/17/2004 | EP1477575A1 Cutting tool for metalworking as well as method in the production of cutting tools |
| 11/17/2004 | EP0612276B2 Heat treatment of metal castings and in-furnace sand reclamation |
| 11/17/2004 | CN1176228C Treatment method and special treating equipment for forming nanometer structure |
| 11/09/2004 | CA2312427C Point contact densification of sintered metal powder |
| 11/04/2004 | DE102004018406A1 Kaltgeformte Feder von hoher Ermüdungsfestigkeit und hoher Korrosionsermüdungsfestigkeit, Stahl für eine solche Feder und Verfahren zur Herstellung einer solchen Feder Cold-formed spring from high fatigue strength and high corrosion fatigue strength, steel for such a spring and method for manufacturing such a spring |
| 11/02/2004 | US6810615 Method for gun barrel manufacture using tailored autofrettage mandrels |
| 10/27/2004 | CN1541279A Method for strengthening steel channel member |
| 10/27/2004 | CN1172770C Method and apparatus for producing beneficial stresses around apertures by the use of focused stress waves |
| 10/20/2004 | CN1171701C Ultrasonic cross shot peening of vanes on rotor |
| 10/14/2004 | WO2004058482A3 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 |
| 10/13/2004 | EP1368144B1 Method for producing a wire with improved resistance to corrosion |
| 10/07/2004 | WO2004085685A1 Process for producing high-strength spring |
| 10/06/2004 | CN1169974C Nano-structure forming method and special equipment therefor |
| 09/29/2004 | CN1532295A Gas and solid two phase flaw impact metal material surface nano device and its use |
| 09/23/2004 | WO2004081250A2 Steel having finely dispersed inclusions |
| 09/23/2004 | WO2004080625A1 Method for processing metal body and apparatus for processing metal body |
| 09/23/2004 | DE10042864B4 Verfahren zur Herstellung gehämmerter Hohl- und/oder Vollprofile und danach hergestellte Rohlinge Process for the preparation hammered hollow and / or solid profiles and then made blanks |
| 09/22/2004 | EP1459846A1 Leaf spring for vehicle and method of manufacturing the leaf spring |
| 09/22/2004 | CN1530450A Rotary parts and manufacturing method thereof |
| 09/16/2004 | US20040177906 Method for manufacturing articles using a semi-continuous flow of workpieces through metal working and annealing apparatus |
| 09/15/2004 | EP1456430A1 Surface treatment of austenitic ni-fe-cr based alloys |
| 09/15/2004 | EP0949340B1 Steel having excellent outer surface scc resistance for pipeline |
| 09/14/2004 | US6790294 Nitrided outermost layer |
| 09/09/2004 | US20040173290 Ultrasonic machining and reconfiguration of braking surfaces |
| 09/01/2004 | EP1147234B1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip |
| 09/01/2004 | CN2637503Y Abrator reinforced machine |
| 09/01/2004 | CN1164787C Tool steel alloy for preparing powder metallurgy parts |