| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/23/2009 | US20090186311 Seal structure, cooling treatment apparatus, multi-chamber heat treatment apparatus, pressure regulating method, operating method |
| 07/23/2009 | US20090183804 Localized induction heating for residual stress optimization |
| 07/23/2009 | DE19882558B4 Verfahren zur Herstellung eines gehärteten Blattstahlprodukts A method of producing a hardened sheet steel product |
| 07/23/2009 | DE102008047330B3 Process for the factory prefabrication of a heat-treated steel nickel alloy serpentine pipe in sections and subsequent on-site assembly |
| 07/23/2009 | DE102008047329B3 Producing and mounting nickel alloy-based superheater tube coils, for steam generators, includes forming and hardening tubes in workshop before mounting and hardening weld seams on site |
| 07/22/2009 | EP2006396A9 Process for production of seamless pipes |
| 07/22/2009 | EP1501959A4 Plasma-assisted enhanced coating |
| 07/22/2009 | EP1501631A4 Plasma-assisted formation of carbon structures |
| 07/22/2009 | CN201276582Y Integral quenching device |
| 07/22/2009 | CN201276581Y Strong convection well type spheroidizing furnace |
| 07/22/2009 | CN101487078A Stirring inner water cooling isothermal quench salt bath |
| 07/22/2009 | CN101487077A Isothermal normalizing method for alloy carburizing steel gear and forging shaft for wind power generator |
| 07/22/2009 | CN100516244C Method and arrangement for heating extended steel products |
| 07/22/2009 | CN100516243C Method for forging blank heated by salt bath furnace |
| 07/21/2009 | US7563333 Process for producing steel article |
| 07/21/2009 | US7563331 Continuous crystallization; hysteresis loops; iron alloy |
| 07/16/2009 | US20090178737 Die for press forming of glass and manufacturing method thereof |
| 07/15/2009 | EP2078099A1 Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines |
| 07/15/2009 | EP1501649A4 Plasma-assisted sintering |
| 07/15/2009 | CN201272820Y Z shaft case of laser heat treatment equipment |
| 07/15/2009 | CN101484592A Method for manufacturing spheroidal cast iron mechanical components |
| 07/15/2009 | CN101481749A Water pressure high-frequency quenching machine tool |
| 07/15/2009 | CN101481748A Normalizing heat treatment process using blank forging residual heat under thermal state and electric resistance furnace thereof |
| 07/15/2009 | CN100513628C Nitriding method and device |
| 07/15/2009 | CN100513596C Crawler belt bushing and its manufacturing process |
| 07/15/2009 | CN100513595C Crawler belt bushing and its manufacturing process |
| 07/15/2009 | CN100513590C Induction heating method of reducing bar material for suspension spring use |
| 07/15/2009 | CN100513589C Producing method for steel plate and equipment therefor |
| 07/14/2009 | US7559998 Hot forming method and a hot formed member |
| 07/14/2009 | CA2452647C Cooled and tempered bainite steel part and its manufacturing process |
| 07/09/2009 | WO2009086382A1 Cryogenic treatment process for diamond abrasive tools |
| 07/09/2009 | WO2009082984A1 Method and system for heat treating workpieces in chambers |
| 07/09/2009 | US20090176180 Hydrogen furnace system and method |
| 07/09/2009 | US20090174125 Method and arrangement for heating extended steel products |
| 07/09/2009 | US20090173417 Method for annealing or hardening of metals |
| 07/09/2009 | US20090173414 Rolled Copper Foil and Manufacturing Method of Rolled Copper Foil |
| 07/09/2009 | DE102008003871A1 Finishing thin metal sheet and/or products made of thin metal sheets later designed as semifinished sheet metal products using laser beam technology, by locally melting surface of products with laser beam up to in given sheet-metal depth |
| 07/08/2009 | EP1737988B1 Energization cycle counter for induction heating tool |
| 07/08/2009 | CN201268714Y Constant temperature type annealing furnace |
| 07/08/2009 | CN201268713Y Large-sized well type furnace cover running mechanism |
| 07/08/2009 | CN101476025A Oblique fillet type ring induction quenching machine |
| 07/08/2009 | CN101476024A Easy-to-cut high-carbon steel annealing non-oxidation process |
| 07/08/2009 | CN101476023A Method for extending rolled on-line quenching cooling region to cooling bed |
| 07/08/2009 | CN100510119C Crawler belt bushing and manufacturing process thereof |
| 07/08/2009 | CN100510114C Heat treating process for Fe-based big block amorphous alloy crystallization |
| 07/08/2009 | CN100510113C Antioxidation coating material of Nano silicate in use for annealing billet in series |
| 07/07/2009 | US7556865 Hot-dip coating method in a zinc bath for strips of iron/carbon/manganese steel |
| 07/02/2009 | WO2009082328A1 High speed steel |
| 07/02/2009 | WO2009082107A1 Steel wire rod for bearing steel, manufacturing method of steel wire rod for bearing steel, heat treatment method of steel bearing, steel bearing and soaking method of bearing steel |
| 07/02/2009 | US20090165894 Methods of fabricating exchange-coupling film, magnetoresistive element, and thin-film magnetic head |
| 07/01/2009 | EP1620197B1 Method for inhibiting contamination of a workpiece |
| 07/01/2009 | EP1502480A4 Plasma-assisted heat treatment |
| 07/01/2009 | EP1502012A4 Plasma-assisted engine exhaust treatment |
| 07/01/2009 | CN201265028Y Special-purpose tool for changing fibre roller |
| 07/01/2009 | CN201265027Y Direct switch-on heating annealing apparatus of hot rolled plate |
| 07/01/2009 | CN101469359A Vertical spray quenching apparatus and quenching technique |
| 07/01/2009 | CN100508670C Method and device for thin plate article induction heating, and thin plate article |
| 07/01/2009 | CN100507023C One tenth hardness quenching and tempering and annealing technique for chilled steel strip |
| 06/30/2009 | US7553793 Method and system for recovering catalyst for fuel cell |
| 06/30/2009 | US7553380 The matrix phase contains tempered martensite, tempered martensite and ferrite, tempered bainite, or tempered bainite and ferrite, and the second phase comprises 1 to 30% of martensite at an area ratio based on the entire structure; excellent bake hardening property and stretch flange formability |
| 06/30/2009 | CA2377782C Low-carbon steels of superior mechanical and corrosion properties |
| 06/25/2009 | WO2009078859A1 A method for reducing stress in a conduit brace assembly |
| 06/25/2009 | WO2009077987A1 Method of including features in an article manufactured from maraging stainless steel |
| 06/25/2009 | WO2009048811A3 Apparatus for removing dent in sheet metal and method thereof |
| 06/25/2009 | US20090159157 Heat treating device and heat treating method |
| 06/25/2009 | DE102007061026A1 Method for the production of crank shaft for internal combustion engine having a reciprocating piston, by inductive hardening a radial transition area of the reciprocating piston and laser-radiation hardening the inductive hardened area |
| 06/24/2009 | CN201261794Y Sealing rapid cooling chamber |
| 06/24/2009 | CN201261793Y Brilliant isothermal normalizing production system |
| 06/24/2009 | CN201261792Y Isothermal normalizing quick cooling chamber |
| 06/24/2009 | CN101463414A Production method for steel plate and equipment therefor |
| 06/24/2009 | CN100505976C Plasma-assisted joining |
| 06/24/2009 | CN100505975C Plasma-assisted coating |
| 06/24/2009 | CN100505956C Induction heating coil and induction heating method for multi-step shaft member |
| 06/24/2009 | CN100504092C Rolling bearing, cam-follower, and cam |
| 06/24/2009 | CN100503843C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
| 06/24/2009 | CN100503842C Laser hardening hardening technique for railway high speed heavy rail |
| 06/23/2009 | CA2418299C Variable softness vaso-occlusive coils |
| 06/23/2009 | CA2174409C Process and device for controlling the carbon monoxide content of a furnace atmosphere for carburizing and carbonitriding metal workpieces |
| 06/18/2009 | WO2009074036A1 A quenching device for steel balls |
| 06/18/2009 | DE202009005685U1 Abschreck- oder Abkühlvorrichtung Quenching or cooling device |
| 06/17/2009 | EP2071045A2 Method and device for producing hardened components from sheet metal with a closed profile or an open profile with an undercut |
| 06/17/2009 | EP1846582B1 Method for purifying an input mixture comprising carbon dioxide (co2) and carbon monoxide (co), to eliminate the carbon monoxide contained in said mixture |
| 06/17/2009 | EP1558770B1 Atmosphere control during continuous heat treatment of metal strips |
| 06/17/2009 | CN201258345Y Large-sized isothermal heat treatment salt-bath furnace |
| 06/17/2009 | CN201258344Y Adjustable capacity annealing stove for casting heat treatment |
| 06/17/2009 | CN101457285A Magnetic field treatment process of Fe-Cr-Co deformable permanent magnetic alloy material |
| 06/17/2009 | CN101457284A Decarburization heat processing furnace for reducing carbon content on work piece surface |
| 06/17/2009 | CN101457283A Spheroidized annealing furnace protected by strong convective atmosphere and spheroidized annealing process of coil and wire rod implemented by annealing furnace |
| 06/17/2009 | CN101457282A Processing method of marine vehicle diesel cylinder sleeve erosion resistance |
| 06/17/2009 | CN100500910C Seamless steel pipe and method for production thereof |
| 06/17/2009 | CN100500909C Alloy tool steel |
| 06/17/2009 | CN100500879C Technique for increasing high temperature abrasion resistance of steel belt lead-bath quenching belt-pressing head |
| 06/17/2009 | CN100500878C Surface treatment process |
| 06/17/2009 | CN100500877C Laser intensifying method on metal surface of water pump parts |
| 06/16/2009 | US7547410 Metal heat treatment system hot-gas quenching apparatus and hot-gas heat treatment system |
| 06/16/2009 | US7546755 Structural component |
| 06/11/2009 | WO2009071764A1 Comb-like slit laminated yoke for a travelling-magnetic-field inductor for reheating metal strip |
| 06/11/2009 | US20090145526 Low core loss grain-oriented electrical steel sheet and method for producing the same |
| 06/11/2009 | CA2704743A1 Comb-like slit laminated yoke for a travelling-magnetic-field inductor for reheating metal strip |
| 06/10/2009 | EP2066818A2 Frictionally press-bonded member |