| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/12/2014 | CN103572013A Spheroidizing annealing method of 40Cr steel |
| 02/12/2014 | CN103572012A Rapid spheroidizing technique in bolt manufacturing process |
| 02/12/2014 | CN103572011A Safety high-temperature annealing furnace |
| 02/12/2014 | CN103572010A Method for preventing furnace rollers from deformation caused by heating during furnace-baking period |
| 02/12/2014 | CN103572009A Laser-quenching liquid-nitrogen cooling method of large gear ring tooth surface |
| 02/12/2014 | CN103572008A Heating furnace walking beam safety protection device |
| 02/12/2014 | CN103572007A Refrigeration device for heat treatment furnace |
| 02/12/2014 | CN103567432A Industrial cryogenic production method for neodymium, iron and boron nano-crystalline quick-quenched permanent-magnetic powder |
| 02/12/2014 | CN103567398A High-abrasion-resistance anti-dust cylinder liner casting technology |
| 02/12/2014 | CN102925644B Vacuum heat treatment and subzero treatment integrated machine |
| 02/12/2014 | CN102912094B Quench machine tool |
| 02/12/2014 | CN102732705B Heat treatment method of ball cage for drive shaft |
| 02/12/2014 | CN102560026B Atmosphere isolation device of horizontal annealing furnace |
| 02/12/2014 | CN102534182B Control system for mantle-type annealing furnace process |
| 02/12/2014 | CN102399950B Method for controlling medium plate quenching technology |
| 02/06/2014 | WO2014022080A1 Powder metallurgy method for making components |
| 02/06/2014 | WO2014021596A1 Heating device and continuous metal plate heating apparatus including same |
| 02/06/2014 | WO2014021428A1 Retainer for constant-velocity universal joint, fixed constant-velocity universal joint incorporating same, and drive shaft incorporating said fixed constant-velocity universal joint |
| 02/06/2014 | WO2014019836A1 Component having a sandwich structure and method for the production thereof |
| 02/06/2014 | WO2014019670A1 Low temperature heat treatment for steel alloy |
| 02/06/2014 | WO2014019319A1 Method for crystallizing rapidly-quenched neodymium powder |
| 02/06/2014 | US20140037980 Hot stamped article, method of producing hot stamped article, energy absorbing member, and method of producing energy absorbing member |
| 02/06/2014 | US20140033787 Forming of metallic glass by rapid capacitor discharge |
| 02/06/2014 | DE102012015445A1 Rolling bearing-supported shaft comprises shaft body made of first material, comprising bearing points respectively having running surface for rolling bodies, which is applied as layer of thermally sprayed second material on shaft body |
| 02/05/2014 | EP2692888A1 Case hardening steel, method for producing same, and mechanical structural part using case hardening steel |
| 02/05/2014 | EP2691550A2 Method of heat treating a coated metal strip and heat treated coated metal strip |
| 02/05/2014 | CN203419967U Air-cooled steel strip annealing and cooling mechanism |
| 02/05/2014 | CN203419961U Cooling device for thermal treatment of hot steel pipe |
| 02/05/2014 | CN203419959U 真空淬火炉 Vacuum hardening furnace |
| 02/05/2014 | CN203419958U Internal circulation air cooling device |
| 02/05/2014 | CN203419957U Anti-sticking agent dripping and attaching device for strips |
| 02/05/2014 | CN203419956U Steel file quenching device |
| 02/05/2014 | CN203419955U Forging waste heat quenching device |
| 02/05/2014 | CN203419954U 立式淬火炉 Vertical quench furnace |
| 02/05/2014 | CN203419953U Aluminum alloy quenching furnace |
| 02/05/2014 | CN203419952U Water cooling system |
| 02/05/2014 | CN203419951U Forklift mechanism of stainless-steel solid melting furnace |
| 02/05/2014 | CN203418282U Manufacturing equipment of connector of drill rod and drill collar with high torsion resistance |
| 02/05/2014 | CN203417625U Stirrer for producing hardening agents |
| 02/05/2014 | CN103562417A Method for the production of very-high-strength martensitic steel and sheet or part thus obtained |
| 02/05/2014 | CN103562416A Heat treatment of hardenable sheet metal components |
| 02/05/2014 | CN103562053A Method of forming header extension, and vehicle structure |
| 02/05/2014 | CN103561961A Apparatus and method for writing a pattern in a substrate |
| 02/05/2014 | CN103556084A Oil sleeve steel ball and manufacturing process thereof |
| 02/05/2014 | CN103556063A Heat-treatment steel for high-strength spring |
| 02/05/2014 | CN103556042A Casting and thermal treatment technology for high-chromium iron on flow passage component of slurry pump |
| 02/05/2014 | CN103555926A Atmosphere replacement method for continuous annealing furnace |
| 02/05/2014 | CN103555924A Atmosphere replacement system of continuous annealing furnace |
| 02/05/2014 | CN103555914A On-line quenching and plate shape controlling technology for 12MnNiVR steel plate |
| 02/05/2014 | CN103555906A Method for eliminating residual stress of airplane skin panel |
| 02/05/2014 | CN103555905A Method for obtaining ferritic heat-resisting steel with the characteristic of austenite structure |
| 02/05/2014 | CN103555904A Thermal treatment process capable of improving low-temperature impact work of ASTM508Gr2 steel |
| 02/05/2014 | CN103555902A Heat treatment process for 980 MPa grade automotive steel with high product of strength and elongation |
| 02/05/2014 | CN103555901A Upright normal pressure amorphous iron core heat treatment furnace |
| 02/05/2014 | CN103555900A Surface thermal treatment method for die set of U-shaped plate of excavator bucket rod |
| 02/05/2014 | CN103555899A Discharge device of full-automatic disc saw blade quenching line |
| 02/05/2014 | CN103555898A Pressure-quenching mold for high-grade cone |
| 02/05/2014 | CN103555897A Large-size thick steel plate quenching device |
| 02/05/2014 | CN103555896A Ultrahigh-strength high-toughness multistep isothermal bainite steel and preparation method thereof |
| 02/05/2014 | CN103555895A Method for refining surface grains of 2Cr10NiMoVNb stainless steel forgings through quenching three times |
| 02/05/2014 | CN103555894A Heat treatment process for Q&P980 steel |
| 02/05/2014 | CN103555893A Cryogenic treatment device and cryogenic treatment method for reversible rotation and transformation of workpiece |
| 02/05/2014 | CN103551565A Manufacturing method for soft-magnetic Fe-Si-Al-Ni alloy powder |
| 02/05/2014 | CN103551417A Preparation method for steel fiber copper-covered steel wire |
| 02/05/2014 | CN103551409A Hollow aluminium profile manufacturing method |
| 02/05/2014 | CN102994716B Quenching self-tempering machining method |
| 02/05/2014 | CN102899590B Long-service-life impeller of hydrapulper and production method thereof |
| 02/05/2014 | CN102758071B Continuous annealing production method for steel for 280 MPa vehicle structure |
| 02/05/2014 | CN102719830B Production technology for reducing heavy metal migration amount from stainless steel food-contact products |
| 02/05/2014 | CN102534177B Continuous annealing unit and circulating temperature control device for aging section of continuous annealing unit |
| 02/05/2014 | CN102534147B Furnace door sealing device of box type protective atmosphere thermal treatment furnace |
| 02/05/2014 | CN102057061B Pre-process stress loading of components for post-process warp control |
| 01/30/2014 | WO2014017684A1 Laser-preheating machining apparatus |
| 01/30/2014 | WO2014017176A1 Furnace for thermal processing of workpieces |
| 01/30/2014 | WO2014017074A1 Nitrocarburizable steel, nitrocarburized part, and methods for producing said nitrocarburizable steel and said nitrocarburized part |
| 01/30/2014 | WO2014016420A1 Hot-rolled flat steel product and method for the production thereof |
| 01/30/2014 | DE102012213226A1 Verfahren zum Herstellen eines Synchronrings und Programm A method of manufacturing a synchronizing ring and program |
| 01/30/2014 | DE102012014765A1 Induktor Inductor |
| 01/30/2014 | DE10134056B4 Verfahren zur Herstellung von nanokristallinen Magnetkernen sowie Vorrichtung zur Durchführung des Verfahrens Process for the preparation of nanocrystalline magnetic cores as well as apparatus for carrying out the method |
| 01/29/2014 | EP2690926A1 Inductor |
| 01/29/2014 | EP2690191A2 A method of production of high strength thin-gauge steel sheet excellent in elongation and hole expandability |
| 01/29/2014 | EP2690183A1 Hot-rolled steel flat product and method for its production |
| 01/29/2014 | EP2689881A1 Bonded object of tungsten carbide-based superhard alloy and process for producing same |
| 01/29/2014 | EP2689042A1 Method for treating a component such as a gearwheel |
| 01/29/2014 | EP2554329B1 Cutting method for steel for use in machine structure |
| 01/29/2014 | EP2484785B1 Method and apparatus for the spray cooling of mechanical parts, particularly for large mechanical parts, in execution of thermal treatments |
| 01/29/2014 | CN203411580U Thermal treatment charging basket |
| 01/29/2014 | CN203411578U Atmospheric-pressure hydrogen protection hardening furnace |
| 01/29/2014 | CN203411577U Compression type tip device with end face tooth |
| 01/29/2014 | CN103547694A Hot press molded article, fabrication method therefor, and thin steel plate for hot press molding |
| 01/29/2014 | CN103547687A Method for producing hardened structural elements |
| 01/29/2014 | CN103547686A Method for producing hardened structural elements |
| 01/29/2014 | CN103540944A Cold-heading finished silk treatment process |
| 01/29/2014 | CN103540943A Method and rotary hearth furnace for heat treating workpieces |
| 01/29/2014 | CN103540870A Production method of tempered high-strength Q550E super-thick steel plate |
| 01/29/2014 | CN103540866A Production method of tempered high-strength Q800D super-thick steel plate |
| 01/29/2014 | CN103540862A Abrasion-resistant metal pipeline with internal anti-corrosion coating |
| 01/29/2014 | CN103540734A Air circulating gas furnace |
| 01/29/2014 | CN103540732A Device and method for recycling flue gas waste heat of radiant-tube roller-hearth heat treatment furnace |
| 01/29/2014 | CN103540725A Cast iron quenching method |