| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/11/2007 | EP1772526A1 Device for improving residual stress of piping |
| 04/11/2007 | EP1771587A2 Method for producing a shaft pertaining to a starter |
| 04/11/2007 | EP1771586A2 Method for the production of snap disks |
| 04/11/2007 | CN2888383Y Cooling device for heating furnace agitator |
| 04/11/2007 | CN2887886Y Vacuum thermal-treatment furnace |
| 04/11/2007 | CN1946866A Steel sheet for can and method for production thereof |
| 04/11/2007 | CN1946859A Furnace type structure of heating furnace |
| 04/11/2007 | CN1946493A Bandes en acier inoxydable austenitique d'aspect de surface mat |
| 04/11/2007 | CN1944715A Process for producing gear with hard bainite structure on surface |
| 04/11/2007 | CN1944700A Bainite ductile iron grinding ball and its producing process |
| 04/11/2007 | CN1944692A High frequency electric pulse continous heat processing method for cold drawing medium and high carbon steel wire |
| 04/11/2007 | CN1944691A Controlled cooling heat treating process and its device for bainite ductile iron |
| 04/11/2007 | CN1943979A Method for producing metal composite seamless pipe with metallurgical binding |
| 04/11/2007 | CN1943974A Method for processing high speed steel screw tap |
| 04/11/2007 | CN1943963A Welding repair method for specific steel and its welding wire |
| 04/11/2007 | CN1943962A High strength aluminum alloy welding wire and its preparing method |
| 04/11/2007 | CN1943861A Method for producing high chromium tungsten-containing composite anti-wear roll ring |
| 04/11/2007 | CN1943860A Method for producing medium chromium tungsten-containing composite anti-wear roll ring |
| 04/11/2007 | CN1309847C Cover for heating furnace with coilers |
| 04/05/2007 | WO2007037244A1 Hearth roll |
| 04/05/2007 | US20070074794 Method for cooling hot roller steel strip, and method for manufacturing hot rolled steel strip |
| 04/05/2007 | US20070074793 stainless steel seamless linepipe has excellent corrosion resistance and resistance to sulfide stress cracking, suitable for linepipes transporting crude oil or natural gas produced from oil wells or gas wells under extremely corrosive environments containing carbon dioxide gas, chlorine ion; mixed phase |
| 04/05/2007 | US20070074792 Method for producing helical springs or stabilizers |
| 04/05/2007 | DE19955385B4 Äußere Wellenhälfte für Doppelgelenke mit verbesserter Abriebsfestigkeit und verbesserter Haltbarkeit für die Welle sowie Verfahren zu deren Herstellung Outer half wave for constant velocity joints with improved abrasion resistance and improved durability for the shaft as well as processes for their preparation |
| 04/05/2007 | DE19809367B4 Verfahren und Vorrichtung zur Feinbearbeitung von Kolbenlaufbahnen Method and apparatus for finishing piston careers |
| 04/05/2007 | DE102005054014B3 Method for continuously forming bainite structure in carbon steel involves austenitizing steel and passing it through bath quenchant, removing quenchant residue converting remaining parts of steel into bainite isothermal tempering station |
| 04/05/2007 | DE102005043924B3 Reflektoranordnung und Verfahren zum Härten von Innenflächen Reflector arrangement and method for curing inside surfaces |
| 04/04/2007 | EP1770184A1 High-strength martensite heat resisting cast steel and method of producing the steel |
| 04/04/2007 | EP1770181A1 Component for machine structure, method for producing same, and material for high-frequency hardening |
| 04/04/2007 | CN2885881Y Full-electric roller hearth-type continuous annealing furnace |
| 04/04/2007 | CN2885795Y Automatic sand-scraping mechanism for continuous annealing furnace |
| 04/04/2007 | CN1942692A Pinion shaft |
| 04/04/2007 | CN1942597A Nonoriented electromagnetic steel sheet excellent in blankability and magnetic characteristics after strain removal annealing, and method for production thereof |
| 04/04/2007 | CN1940368A N80-1 external thickening oil pipe and its production |
| 04/04/2007 | CN1940113A Die steel |
| 04/04/2007 | CN1940108A Superhigh-strength cold rolling band steel with anti-tensile strength above 880Mpa and its production |
| 04/04/2007 | CN1940095A Heat treatment of cam shaft for diesel engine |
| 04/04/2007 | CN1939656A Production of L80-13Cr oil casings |
| 04/04/2007 | CN1309096C Device and method for tempering several process goods |
| 04/04/2007 | CN1308465C Method for processing billets out of metals and alloys and article |
| 04/03/2007 | US7198684 reduces costs by achieving a better flow of the workpieces through the manufacturing operation |
| 04/03/2007 | US7197802 Control method for a finishing train and a finishing train |
| 03/29/2007 | WO2007034911A1 Steel members, method for heat treatment of the same, and process for production thereof |
| 03/29/2007 | WO2007034249A1 Equipment and method for hardening in the rare gas atmosphere |
| 03/29/2007 | WO2007033635A1 Process for manufacturing cold-formed precision steel pipes |
| 03/29/2007 | WO2005094274A3 Solid state processing of hand-held knife blades to improve blade performance |
| 03/29/2007 | DE102005021793B4 Verfahren und Anlage zum Härten von Übergangsradien einer Welle Method and apparatus for curing transition radii of a wave |
| 03/29/2007 | CA2622410A1 Process for manufacturing cold-formed precision steel pipes |
| 03/28/2007 | EP1766100A2 Integrated metal processing facility |
| 03/28/2007 | EP1390551B1 Method and device for heat treatment of metal strands, especially steel strips |
| 03/28/2007 | CN2883395Y Hydraulic stripping fixed quenching mould for conic inner collar parts |
| 03/28/2007 | CN2883394Y Quenching unit for column inner hole, ring-like parts |
| 03/28/2007 | CN2883393Y Anneal oven |
| 03/28/2007 | CN2883392Y Surface spraying quenching unit for hot molten steel pipe |
| 03/28/2007 | CN1936368A Automobile rear-bridge spiral conic gear of manganese-copper alloy autenite-bainite nodular iron and its preparing method |
| 03/28/2007 | CN1936055A Low yield ratio high tension steel plate and its producing method |
| 03/28/2007 | CN1936032A Steel wire one-line luminosity modified treatment method and production line |
| 03/28/2007 | CN1936031A Integral quenching type land leveller blade manufacturing method and quenching die |
| 03/28/2007 | CN1935448A Itype integral oil ring wire working method and equipment for piston ring industry |
| 03/28/2007 | CN1935438A P92 steel welding process |
| 03/28/2007 | CN1935404A Creep ageing straightening method and apparatus |
| 03/28/2007 | CN1307320C Titanium-added ferritic stainless steel sheet and production method therefor |
| 03/28/2007 | CN1307319C Steel material for mechanical structure excellent in suitability for rolling, quenching crack resistance, and torsional property and drive shaft |
| 03/28/2007 | CN1307316C Method for strengthening steel channel member |
| 03/27/2007 | US7194887 Press for holding and pressing a workpiece |
| 03/27/2007 | CA2350283C Steel with improved impact penetration resistance and method for producing the same |
| 03/22/2007 | WO2007032589A1 Hearth roll apparatus for annealing furnace |
| 03/22/2007 | WO2007031288A1 Method for producing a weld on a wall of an article by partially melting the material of the welding bead and/or of the material of the adjoining walls |
| 03/22/2007 | WO2007031282A1 Reflector arrangement provided with a laser beam reflecting head and a guiding device, device and method for hardening internal surfaces of a workpiece |
| 03/22/2007 | WO2006114446A8 Device and method for the treatment of surfaces of metallic components by means of a laser beam, comprising a translucent deflection unit |
| 03/22/2007 | WO2006114445A8 Device and method for treating cylindrically shaped surfaces by using a laser beam having an essentially circular cross-section |
| 03/22/2007 | US20070065717 Material of case for storage cell |
| 03/22/2007 | US20070062620 Fixing element comprising a low-alloyed steel and process for the production thereof |
| 03/22/2007 | US20070062616 Method for sinter coating |
| 03/22/2007 | DE102005012522B4 Verfahren und Vorrichtung zum abschnittsweisen Durchhärten von aus Stahlblech fertig geformten Bauteilen Method and apparatus for piecewise hardening of steel sheet finished molded components |
| 03/21/2007 | EP1764424A1 Magnetic substrate, laminate of magnetic substrate and method for producing thereof |
| 03/21/2007 | EP1764422A1 Method for fabricating austenitic steel and compressor casing produced from said steel |
| 03/21/2007 | CN1934282A 滚动轴承 Rolling |
| 03/21/2007 | CN1934280A Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets |
| 03/21/2007 | CN1932065A Weldable high-strength microalloyed medium carbon steel oil well pipe and its making process |
| 03/21/2007 | CN1932048A Continuous annealing furnace to utilize afterheat of strip steel in the same casing |
| 03/21/2007 | CN1932047A Deformation controlling method and device for sheet material in continuous heat treatment |
| 03/21/2007 | CN1931507A Split pedestal assembling and welding process |
| 03/21/2007 | CN1306191C Tech for preparing drum of concrete transfer pump |
| 03/21/2007 | CN1306047C Process for producing high tensile hot-dip zinc-coated steel sheet of excellent ductility and antifatigue properties |
| 03/21/2007 | CN1306046C High-resistant, low-density hot laminated sheet steel and method for the production thereof |
| 03/20/2007 | US7192551 Inductive heating process control of continuous cast metallic sheets |
| 03/20/2007 | CA2185996C Method for mitigating residual stresses in welded metal components using high torch travel speeds |
| 03/15/2007 | WO2007029626A1 Martensitic stainless steel sheet for heat-resistant disc brake having excellent hardenability |
| 03/15/2007 | WO2007028475A2 Method for producing press-hardened component |
| 03/15/2007 | US20070056959 Device for induction hardening |
| 03/15/2007 | DE10008262B4 Verfahren zur Herstellung von Hartmetalleinsätze als Spannschneiden aufweisende Spannbacken für Bohrfutter, sowie entsprechend gefertigte Spannbacken Process for the preparation of carbide inserts as clamping jaws for cutting having chuck jaws and accordingly made |
| 03/14/2007 | EP1761933A1 Method and device for heat treating a fuel assembly box made of a zirconium alloy |
| 03/14/2007 | EP1687455B1 Cooling process and device for a steel sheet |
| 03/14/2007 | CN2878409Y Novel carbon sleeve hearth roller |
| 03/14/2007 | CN2878408Y Heat treatment stove |
| 03/14/2007 | CN1930402A 车轮用轴承装置 Wheel bearing device |
| 03/14/2007 | CN1930401A Machine element and method for manufacture thereof |
| 03/14/2007 | CN1930316A Zinc hot dip galvanized composite high strength steel plate excellent in formability and bore-expanding characteristics and method for production thereof |
| 03/14/2007 | CN1930310A Method for producing a structural part from hypereutectoid steel |