| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 03/24/2010 | CN101676415A Hot-formed profile |
| 03/24/2010 | CN101676414A Continuous heat treatment furnace |
| 03/24/2010 | CN101676413A Novel quenching furnace |
| 03/24/2010 | CN101676412A Novel quenching furnace |
| 03/24/2010 | CN101676411A Laser heat treatment technology of oil cylinder of large-scale excavator |
| 03/24/2010 | CN100595453C Differential device supporting structure, differential device component, method for manufacturing the differential device supporting structure and method for manufacturing the differential device comp |
| 03/24/2010 | CN100595291C Multi-station quenching cooling equipment realizing fluid-immersion quenching by liquid level change |
| 03/18/2010 | WO2010028939A1 Gear rack and inductive hardening method |
| 03/18/2010 | US20100068557 Plain Bearing Composite Material, Use Thereof and Production Methods Therefor |
| 03/18/2010 | US20100065169 for treating a heated metal part; hydrophobically modified polyacrylate copolymers; hardening; heat treatment; water; terpolymer of acrylamide and acrylic acid and an alkyl alkoxylate allyl ether; |
| 03/18/2010 | US20100065167 Annealing and pickling process |
| 03/18/2010 | US20100065160 Process for coating a hot- or cold- rolled steel strip containing 6 - 30% by weight of MN with a metallic protective layer |
| 03/17/2010 | EP2163327A2 Method for manufacturing and fitting superheater coils of steam creation devices |
| 03/17/2010 | EP2163326A2 Method for manufacturing and fitting superheater coils of steam creation devices |
| 03/17/2010 | CN201425729Y High-power side wing enhanced radiating plate used for display card |
| 03/17/2010 | CN201424505Y Treatment device for thick-specification tempered tin plating bronze rejected bead wire |
| 03/17/2010 | CN201424495Y Open-fire heating furnace for steel wire heat treatment |
| 03/17/2010 | CN201424494Y Semi-automatic carburizing and quenching die for heat treatment of bearing ring |
| 03/17/2010 | CN201424493Y Fully-automatic roller-hearth solid solution heat treatment furnace |
| 03/17/2010 | CN201424492Y Lead quenching tank for steel wire heat treatment |
| 03/17/2010 | CN201424491Y Air quench device of aluminum profile extrusion production line |
| 03/17/2010 | CN201424490Y Sensing quenching water spraying ring |
| 03/17/2010 | CN201424489Y Non-oxidation roller bottom type continuous annealing furnace door |
| 03/17/2010 | CN201424488Y Two-purpose multilayer steam box for cleaning and tempering heat treated parts |
| 03/17/2010 | CN101675174A Method for imprinting and erasing amorphous metal alloys |
| 03/17/2010 | CN101674901A Method for shaping a blank, and cooling device for a blank |
| 03/17/2010 | CN101672344A Chain |
| 03/17/2010 | CN101671800A Metal heat treatment device and method |
| 03/17/2010 | CN101671797A High-phosphorous weather-proof steel cast-rolling thin strip with negative phosphorous segregation on surface and preparation method thereof |
| 03/17/2010 | CN101671796A Ferritic stainless steel sheet causing little orange peel due to working and production method therefor |
| 03/17/2010 | CN101671792A Spring steel and preparation method thereof |
| 03/17/2010 | CN101671774A Automatic-rotating receiving lift platform of quenching machine |
| 03/17/2010 | CN101671770A Heat treatment method of alloy containing volatile element |
| 03/17/2010 | CN101671769A Quenching phosphorated fluid for metal comprehensive processing |
| 03/17/2010 | CN101671768A Method for correcting quenching deformation out-of-tolerance of bearing ring of wind driven generator |
| 03/17/2010 | CN101671767A Clutch gear quenching process |
| 03/17/2010 | CN101671766A Cross head surface induction hardening method of marine diesel engine |
| 03/17/2010 | CN101671765A Air protection device of noncrystalline coating prepared by laser and preparation method of noncrystalline coating |
| 03/17/2010 | CN101670559A Shot blasting machine wear-resistant blade and preparation method thereof |
| 03/17/2010 | CN101670383A Method for manufacturing inner covered stainless steel compound steel pipe |
| 03/17/2010 | CN100594249C Machine part and method for manufacturing same |
| 03/17/2010 | CN100594244C Smithing exhaust heat quenching process for caterpillar track node with node pitch more than 200mm |
| 03/17/2010 | CN100594243C Semiconductor laser unit for reinforcing metallic face |
| 03/16/2010 | US7678208 Method of hot stamping and hardening a metal sheet |
| 03/16/2010 | US7678207 Steel product for induction hardening, induction-hardened member using the same, and methods producing them |
| 03/16/2010 | CA2225240C Profiled rolling stock and method for manufacturing the same |
| 03/11/2010 | WO2010008732A9 Pre-process stress loading of components for post-process warp control |
| 03/11/2010 | US20100063479 Small profile, tubular component design and method of manufacture |
| 03/11/2010 | US20100059148 Energy efficient modular gas fluidized sand heat treating apparatus and sand return system |
| 03/11/2010 | US20100059146 Ni-base alloy, high-temperature member for steam turbine and welded rotor for turbine using the same, and method for manufacturing the same |
| 03/10/2010 | EP2160267A1 Melt-treated rim of a piston combustion bowl |
| 03/10/2010 | CN201420090Y Carburizing and quenching die of thin-wall piece |
| 03/10/2010 | CN201420089Y Heat treatment equipment of soft magnetic winding iron core under transverse magnetic field |
| 03/10/2010 | CN201420088Y Quenching device for steel seamless air bottle |
| 03/10/2010 | CN201420087Y Safety protection device used for the assembly and disassembly of large-scale axial parts on vertical quenching machine |
| 03/10/2010 | CN101665863A Environment-friendly water-soluble quenching liquid |
| 03/10/2010 | CN101665862A Surface laser quenching process of car panel die |
| 03/10/2010 | CN101665861A Method for preparing oriented silicon steel by pulse current recovery annealing |
| 03/10/2010 | CN101665860A Laser heat treatment method of large taper screw thread of drill collar and circular bead surface |
| 03/10/2010 | CN101665859A Laser shot-blasting process for stainless steel welded joint |
| 03/04/2010 | WO2010024531A2 Heating furnace for press hardening process |
| 03/04/2010 | WO2010024530A2 Continuous press hardening process and apparatus therefor |
| 03/04/2010 | US20100051611 Method and device for induction heating and hardening apparatus |
| 03/03/2010 | EP2159296A1 Hardened and tempered steel and method for producing parts of said steel |
| 03/03/2010 | EP2159292A1 Process for manufacturing shaped article |
| 03/03/2010 | CN201416025Y U-shaped pipe annealing device |
| 03/03/2010 | CN201416022Y Ejection quencher |
| 03/03/2010 | CN201416021Y Quenching inductor for engine powder metallurgy timing gear |
| 03/03/2010 | CN201416020Y Novel rail quenching machine tool |
| 03/03/2010 | CN201416019Y Rail quenching machine tool |
| 03/03/2010 | CN201416018Y Heating device in quenching system |
| 03/03/2010 | CN201416017Y External guide wheel structure of water seal tank of annealing furnace of enamelling machine |
| 03/03/2010 | CN201415316Y Fan impeller inclined temperature control welding table |
| 03/03/2010 | CN101663409A Jig for vacuum heat treatment and method of vacuum heat treatment |
| 03/03/2010 | CN101660030A Large-scale split vertical spraying and quenching machine tool |
| 03/03/2010 | CN101660029A Quenching furnace of combined type protective atmosphere generating device |
| 03/03/2010 | CN101660028A Water-soluble quenching agent and preparation method thereof |
| 03/03/2010 | CN101660027A Water soluble polyether quenching medium |
| 03/03/2010 | CN101660026A High specific gravity alloy material electric pulse annealing technical method |
| 03/03/2010 | CN101660025A Medium frequency induction hardening process of super large diameter bearing steel castings |
| 03/03/2010 | CN101660024A Strengthening and toughening method of high-rigidity resurfacing welding alloyed deposited metal |
| 03/03/2010 | CN100593038C Laser impact processing method for hole structure |
| 02/25/2010 | WO2010021244A1 Method for manufacturing high-strength metal wire rod |
| 02/25/2010 | WO2010020266A1 Plant for thermal processing processes |
| 02/25/2010 | WO2010020212A1 Method for mould annealing with intermediate cooling |
| 02/25/2010 | US20100043928 Method of forming texture on surface of iron or iron-base alloy sheet, method of manufacturing non-oriented electrical steel sheet by using the same and non-oriented electrical steel sheet manufactured by using the same |
| 02/25/2010 | US20100043926 Method for preventing carbon steel from intergranular cracking |
| 02/25/2010 | US20100043662 Diffusion alloyed iron powder |
| 02/24/2010 | EP2157194A1 Method and assembly for inline reforming, treatment and alignment of rod-shaped metal parts |
| 02/24/2010 | EP2157193A1 Metal plate induction heating device and induction heating method |
| 02/24/2010 | EP2156125A2 Device for limiting the combustion fume exhaust at the entrance of a furnace for reheating iron and steel products |
| 02/24/2010 | CN201411520Y Double-hardness cotton-spinning ring with high precision |
| 02/24/2010 | CN201411479Y Compulsory convection device for titanium coil annealing in horizontal vacuum annealing furnace |
| 02/24/2010 | CN201411478Y Control device capable of improving welding seam heat treatment stability of drill stem |
| 02/24/2010 | CN201411476Y Cotton-spinning ring quenching device |
| 02/24/2010 | CN201411475Y Hollow conveying shaft supporting device for off-line annealing furnace for welding pipe production unit |
| 02/24/2010 | CN201411474Y Stress treatment device |
| 02/24/2010 | CN101654725A Blanking channel device of mesh-belt quenching furnace |
| 02/24/2010 | CN101654724A Continuous high-speed steel protective atmosphere quenching furnace |
| 02/24/2010 | CN101654723A Method for eliminating cracks on surface of bearing axle by induction heating |