| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 04/05/2005 | CA2218788C A process for austempering ductile iron |
| 03/31/2005 | WO2005014869A3 Process of preparing metal parts to be heated by means of infrared radiance |
| 03/31/2005 | DE10341867A1 Production of a hardened sheet metal profile comprises deforming the profile from an original shape into an intermediate shape, heating the deformed profile to a hardening temperature, and hardening the heated profile by defined cooling |
| 03/31/2005 | DE10340704A1 Process for surface hardening or hot deforming round or rod-like parts having a toothed contour comprises heating the toothed section impinged with a counter wheel using a heat source |
| 03/31/2005 | DE102004040390A1 Verfahren zur Induktionswärmebehandlung Method for Induction Heat Treatment |
| 03/30/2005 | EP1518002A1 Surface modified stainless steel |
| 03/30/2005 | CN1600889A Wearable cast steel in microalloy martensite and manufacturing method |
| 03/30/2005 | CN1600877A Heating treatment process of plated steel sheet for hot stamping |
| 03/30/2005 | CN1600875A Technique for oil quenching casting sphere made from high chrome alloy |
| 03/30/2005 | CN1600874A Quenching technique of water fog plus wind for wearable casting ball made from alloy |
| 03/30/2005 | CN1600873A Equipment and method for induction hardening stepped shaft |
| 03/30/2005 | CN1195094C Composite heat treatment |
| 03/29/2005 | CA2245864C Cutting die and method of forming |
| 03/29/2005 | CA2243457C Drawing stock for reinforcing plastic or rubber articles |
| 03/24/2005 | WO2005026400A1 Hard metal or cermet body and method for producing the same |
| 03/24/2005 | WO2005007917A3 Method and device for chilling a cast part |
| 03/24/2005 | WO2004097318A3 Method for improving performances of a heating furnace and furnace implementing said method |
| 03/24/2005 | WO2004075605A3 Induction heat treatment of complex-shaped workpieces |
| 03/24/2005 | US20050063852 Screw compressor and method of manufacturing rotor for the same |
| 03/24/2005 | US20050061446 Plasma-assisted joining |
| 03/24/2005 | US20050061402 Method for producing gears and/or shaft components with superior bending fatigue strength and pitting fatigue life from conventional alloy steels |
| 03/24/2005 | DE19947393B4 Stahldraht für hochfeste Federn und Verfahren zu seiner Herstellung Steel wire for high strength springs and method for its manufacture |
| 03/24/2005 | DE10338431A1 Vertical retort oven for heat-treating metal component parts has centre column of charging frame formed as hollow tube coupled to suction opening of circulating assembly to be used as suction pipe for intensive circulation |
| 03/24/2005 | DE102004040174A1 Methode zur Wärmebehandlung durch Induktion und Bauteil, das damit bearbeitet wird Method for the heat treatment by induction and component, which is being processed so that |
| 03/23/2005 | EP1517058A1 Rolling bearing part and method for manufacturing the same |
| 03/23/2005 | EP1516935A1 Method for producing seamless steel pipe for inflator of air bag |
| 03/23/2005 | EP1516068A1 Method for smoothing and polishing surfaces by treating them with energetic radiation |
| 03/23/2005 | EP1201780B1 Steel plate having excellent burring workability together with high fatigue strength, and method for producing the same |
| 03/23/2005 | CN1598003A Preprocessing technology for processing integral key shaft |
| 03/23/2005 | CN1193854C Continuous high speed welding method for double metal tube and welding furnace for the method |
| 03/22/2005 | US6870124 Plasma-assisted joining |
| 03/22/2005 | US6869489 Steel for high bearing pressure-resistant member, having high machinability, and high bearing pressure-resistant member using same steel |
| 03/22/2005 | US6868709 Apparatus and method for thermomechanically forming an aluminide part of a workpiece |
| 03/19/2005 | CA2482100A1 Process for producing a new high-strength dual-phase steel product from lightly alloyed steel |
| 03/17/2005 | WO2005024073A1 Method of controllably cooling hot-rolled wire material |
| 03/17/2005 | WO2005024072A1 Manufactured steel chain blank, use thereof, method for producing a chain and chain produced by said method |
| 03/17/2005 | WO2005024071A1 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 03/17/2005 | WO2003052152A8 Nano-compsite martensitic steels |
| 03/17/2005 | DE19815483B4 Verfahren und Einrichtung für die Oberflächenhärtungsbehandlung von Stahlkugeln für ein Kugellager Method and apparatus for the surface hardening of steel balls for a ball bearing |
| 03/17/2005 | DE10339119B3 Method of making hardened steel structural component, involves cutting panel from coil, heating, hardening and cold-forming to form structural component |
| 03/17/2005 | DE10337962A1 A method for hardening the side walls of steel piston ring grooves has a diode laser directed at a precise angle to the groove surface |
| 03/17/2005 | DE10216837B4 Wärmebehandlungsverfahren und dabei verwendeter Wärmebehandlungsofen Heat treatment process and there used heat treatment furnace |
| 03/16/2005 | EP1513966A2 Method for surface treatment of sheets and strips of aluminium alloy |
| 03/16/2005 | EP1513960A1 Heating device |
| 03/16/2005 | EP1386012B1 Method for enhancing the metallurgical quality of products treated in a furnace |
| 03/16/2005 | CN2685349Y Double-chamber vacuum water or water-based medium heat treatment furnace |
| 03/16/2005 | CN2685348Y Heat processing equipment |
| 03/16/2005 | CN1594604A Novel process for double medium oil-air quenching of alloy wear resistant casting |
| 03/16/2005 | CN1594603A Heat treatment method for solving banded structure defect of medium carbon alloy steel |
| 03/16/2005 | CN1193111C Steel material |
| 03/15/2005 | US6866726 Alloy of iron, manganese, nickel, carbon, silicon, phosphorus, sulfur, and magnesium; tensile strength, elongation |
| 03/15/2005 | US6866724 Steel bar or wire rod for cold forging and method of producing the same |
| 03/15/2005 | US6866180 Forming workpiece so that predetermined area undergoes tensile strain in a bend area; noncracking |
| 03/10/2005 | WO2005021822A1 Method for producing a hardened steel part |
| 03/10/2005 | WO2005021821A1 Method for producing hardened parts from sheet steel |
| 03/10/2005 | WO2005021820A1 Method for producing a hardened profile part |
| 03/10/2005 | WO2005021806A1 High temperature bolt material |
| 03/10/2005 | WO2005021805A1 Gas quenching method using a recycling facility |
| 03/10/2005 | WO2005021190A1 Iron-based sintered alloy and manufacturing method thereof |
| 03/09/2005 | EP1512762A1 Method for producing cold rolled steel plate of super high strength |
| 03/09/2005 | EP1512761A1 Contact pressure-resistant member and method of making the same |
| 03/09/2005 | EP1512760A2 High tensile strength steel sheet excellent in processibility and process for manufacturing the same |
| 03/09/2005 | EP1511873A1 Cold work steel and cold work tool |
| 03/09/2005 | EP1511872A1 Steel and mould tool for plastic materials made of the steel |
| 03/09/2005 | EP1511867A1 Method and device for continuous annealing metallic ribbons |
| 03/09/2005 | EP1368141B1 Flat metal, production device and production method |
| 03/09/2005 | CN2683663Y Vacuum high pressure gas-quench furnace |
| 03/09/2005 | CN1590610A Method and device for sharpening and strengthening fiber beating combing element |
| 03/09/2005 | CN1191903C Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using this apparatus |
| 03/08/2005 | US6863749 Method of improving the toughness of low-carbon, high-strength steels |
| 03/08/2005 | US6863531 Surface modification process on metal dentures, products produced thereby, and the incorporated system thereof |
| 03/08/2005 | US6862818 Oil removing device for cleaning pipes that are present in the form of coils |
| 03/03/2005 | WO2005019488A2 Method for micromachining metallic materials |
| 03/03/2005 | WO2005018848A1 Press-hardened component and associated production method |
| 03/03/2005 | US20050046095 Flapper gas nozzle assemby |
| 03/03/2005 | US20050045248 Power transmission gears, bearings and rolling elements; delayed fracture resistance; carburizing or carbonitriding to control surface carbon concentration, quenching and tempering |
| 03/03/2005 | US20050045247 Contact fatigue life, crack resistance, dimensional stability; durability; carbonitriding steel above A1 transformation point and cooling; heating each component to intermediate temperature and quenching |
| 03/03/2005 | DE10333860A1 Verfahren zur Mikrozerspanung von metallischen Werkstoffen A method for micro machining of metallic materials |
| 03/02/2005 | EP1510591A2 Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength having residual Alpha-grains |
| 03/02/2005 | EP1510589A1 Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing |
| 03/02/2005 | EP1356247B1 Support for parts to be heat treated in a furnace, and a heat treatment method for metal parts |
| 03/02/2005 | CN1191385C Steel structure unit used under hot or warm condition and production method thereof |
| 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 | WO2005017393A1 Speed reducer, method and appratus for manufacturing the speed reducer, and electric power steering device with the speed reducer |
| 02/24/2005 | WO2005017222A1 High strength stainless steel pipe excellent in corrosion resistance for use in oil well and method for production thereof |
| 02/24/2005 | WO2005017214A1 Process of production and production system of high strength galvannealed steel sheet |
| 02/24/2005 | WO2005017213A1 Heat treating device and heat treating method |
| 02/24/2005 | US20050039832 Used for heat treatment metals; mixture of oil and saligenin compound |
| 02/24/2005 | US20050039830 Induction heat treatment method and coil and article treated thereby |
| 02/24/2005 | US20050039829 For components having an irregular outer surface such as trunnion surfaces of trunnions used in steel spiders of tripod-type constant velocity (CV) joints; induction coil provides a planar magnetic field adapted to the irregular shape of the article |
| 02/24/2005 | US20050039826 High strength steel pipe for an air bag and a process for its manufacture |
| 02/24/2005 | US20050039825 Constant velocity plunging joints for automobiles; porous surface layer of burnt iron nitrides, nonmetallic connecting zone of iron nitrides; diffusion matrix zone of nitrogen crystals/nitrides precipitate; steel bottom core; wear resistance |
| 02/24/2005 | DE10333165A1 Production of press-quenched components, especially chassis parts, made from a semi-finished product made from sheet steel comprises molding a component blank, cutting, heating, press-quenching, and coating with a corrosion-protection layer |
| 02/24/2005 | DE10309386B4 Verfahren zur Herstellung eines Gusseisenwerkstoffes mit gezieltem Restkarbidanteil A method for producing a cast iron material with targeted Restkarbidanteil |
| 02/23/2005 | EP1508388A1 Method and device for cooling steel sheet and method of manufacturing steel sheet |
| 02/23/2005 | EP1508260A1 Device for the induction heating of toothing belonging to a mechanical part |
| 02/23/2005 | EP1397522B1 Roller table roll, particularly for conveying furnace-heated metallic strip material |
| 02/23/2005 | CN2680680Y Pressure quenching apparatus for thin armour plate |
| 02/23/2005 | CN1585827A Method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them |
| 02/23/2005 | CN1584063A Quenching agent and method for stub axle |