| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 04/10/2013 | EP2576849A1 Profiled wire made of hydrogen-embrittlement-resistant steel having high mechanical properties |
| 04/10/2013 | EP2576848A1 Method for producing a hot-rolled steel product, and a hot-rolled steel |
| 04/10/2013 | CN202869293U Distributed control system of car-type heat treating furnace troop |
| 04/10/2013 | CN202869277U Carburizing and quenching device |
| 04/10/2013 | CN202869250U Seal structure of thermal treatment furnace |
| 04/10/2013 | CN202865296U Air cushion furnace quenching system for heat treatment of aluminum coiled material and aluminum foil material |
| 04/10/2013 | CN202865293U Self-centering and clamping mechanism for annular workpiece of quenching equipment |
| 04/10/2013 | CN202865292U Large-sized annular workpiece self-centering and rotating device |
| 04/10/2013 | CN202865291U Induction annealing machine tool of driving bevel gear thread segment |
| 04/10/2013 | CN202865290U Induction heater |
| 04/10/2013 | CN202865289U U-shaped rail high-precision tracking mechanism |
| 04/10/2013 | CN202865288U Special tool for heat treatment tempering of slim spring shafts |
| 04/10/2013 | CN202865287U Long bar thermal treatment screw propulsion device |
| 04/10/2013 | CN202865286U Annealing attemperator of card clothing |
| 04/10/2013 | CN202865285U Pressure quenching tank |
| 04/10/2013 | CN202865284U Ring type water passing cooling equipment for quenching rolling steel |
| 04/10/2013 | CN202865283U Waste heat quenching machine set |
| 04/10/2013 | CN202865282U Multi-way porous composite type spray quenching machine tool |
| 04/10/2013 | CN202865281U Spray quenching device |
| 04/10/2013 | CN202865280U Multi-section vacuum oil quenching furnace |
| 04/10/2013 | CN202865279U Work-piece thermal treatment cooling device |
| 04/10/2013 | CN202865278U Double-liquid quenching equipment |
| 04/10/2013 | CN202865277U Manipulator material gripping and shifting device of quenching equipment |
| 04/10/2013 | CN202865276U Tailstock center device capable of shifting and with safe protection function |
| 04/10/2013 | CN202865275U Ultra-long bedway induction hardening machine tool |
| 04/10/2013 | CN202865274U Production line of rod gas quenching furnace |
| 04/10/2013 | CN202865273U Shape-limiting quenching device |
| 04/10/2013 | CN202865272U Induction soaking heat treatment system |
| 04/10/2013 | CN202865271U Induction quenching device with double-layer transformer |
| 04/10/2013 | CN202865270U Circular rail soft belt-free induction quenching machine tool |
| 04/10/2013 | CN202865269U Water-tight inductor of heating roller |
| 04/10/2013 | CN202865268U Electromagnetic heating annealing furnace |
| 04/10/2013 | CN202865267U Rack of guide device |
| 04/10/2013 | CN202865266U Beam of annealing furnaceguilding device |
| 04/10/2013 | CN202865265U Furnace specialized for atmosphere-protected annealing of amorphous transformer |
| 04/10/2013 | CN202865264U Tunnel type annealing Lan thermal treatment furnace |
| 04/10/2013 | CN202865263U Annealing device |
| 04/10/2013 | CN202865262U Continuous heat treatment regional variable temperature control system |
| 04/10/2013 | CN202865261U Thermal treatment device for thickened alloy steel |
| 04/10/2013 | CN202865260U Waste heat compensating tempering furnace device for thermal treatment |
| 04/10/2013 | CN202865259U Rack of guide device |
| 04/10/2013 | CN103038593A Multi-chamber heat treatment device |
| 04/10/2013 | CN103031503A Fabrication method of billet of NiW alloy based long-strip material |
| 04/10/2013 | CN103031500A Large-diameter flange and preparation process thereof |
| 04/10/2013 | CN103031497A Preparation method of corrosion-resistant iron alloy for fasteners |
| 04/10/2013 | CN103031496A Cast steel roller and fabrication technology thereof |
| 04/10/2013 | CN103031487A Composition design and processing methods of high strength, high ductility, and high corrosion resistance femnalc alloys |
| 04/10/2013 | CN103031486A High-carbon and medium-carbon large-diameter forged grinding ball and production process thereof |
| 04/10/2013 | CN103031418A Continuous cryogenic treating and tempering equipment |
| 04/10/2013 | CN103031417A Furnace gas balancing replacement system and balancing replacement method for vacuum heat treatment furnace |
| 04/10/2013 | CN103031416A Double-chamber vacuum high-pressure gas quenching furnace |
| 04/10/2013 | CN103031415A Continuous protective atmosphere heating high-pressure gas quenching furnace |
| 04/10/2013 | CN103031414A Fabrication method of directional solidification neodymium ferrum boron magnetic alloy |
| 04/10/2013 | CN103031413A High-efficient and stable magnetic core heat treatment magnetizing power supply system |
| 04/10/2013 | CN103031412A Continuous workpiece local heating resistance furnace production line |
| 04/10/2013 | CN103028912A Steel forging manufacturing method for valve seat of deep-sea oil production equipment |
| 04/10/2013 | CN102492822B Cam conjugate induction hardening equipment |
| 04/10/2013 | CN102392174B Method and device for preparing magnetostrictive material |
| 04/10/2013 | CN102303212B Process for manufacturing lining board of wet-spraying machine |
| 04/10/2013 | CN102296163B Automatic quenching machine tool for quenching end faces of rotational part |
| 04/10/2013 | CN102220460B Evenly diffusion annealing method for raising diffusion speed of element |
| 04/10/2013 | CN102191369B Ignition control system of cold-rolling continuous annealing furnace |
| 04/10/2013 | CN102191365B Quenching method and quenching machine tool for single ring of ring chain |
| 04/10/2013 | CN101935748B Automatic quenching device |
| 04/10/2013 | CN101935743B Medium plate on-line quenching inclined jet flow cooler |
| 04/10/2013 | CN101921900B Furnace hearth roller bearing pedestal for continuously bright annealing furnace |
| 04/10/2013 | CN101868557B Process of thermal treatment of rails and device thereof |
| 04/09/2013 | US8414717 Method of heat treating magnesium alloys |
| 04/04/2013 | WO2013047939A1 Preparation method of steel product having different strengths using laser heat treatment, and heat hardened steel used therein |
| 04/04/2013 | WO2013047907A1 Method of annealing copper wire for interconnector |
| 04/04/2013 | WO2013047762A1 Cooling device |
| 04/04/2013 | WO2013047526A1 Method for manufacturing press-molded article and press molding equipment |
| 04/04/2013 | WO2013046446A1 Cooling device |
| 04/04/2013 | WO2013045933A1 A method of forming parts from sheet steel |
| 04/04/2013 | WO2013002571A3 Vacuum heat treatment apparatus |
| 04/04/2013 | US20130082042 Welding jig and welding process for planar magnetic components |
| 04/04/2013 | CA2849867A1 A method of forming parts from sheet steel |
| 04/03/2013 | CN202854518U Box-type tempering furnace timing circuit |
| 04/03/2013 | CN202852274U Groove type water quenching extensible pipe mechanism |
| 04/03/2013 | CN202849507U Remote-control thermostat heat treatment furnace |
| 04/03/2013 | CN202849504U Rebar online thermal treatment device |
| 04/03/2013 | CN202849503U Field assembly welding annular welding joint heat treatment device of large chemical equipment |
| 04/03/2013 | CN202849500U Rotary furnace bottom annular heating furnace |
| 04/03/2013 | CN202849498U Annealing device for production of driving bevel gear |
| 04/03/2013 | CN202849497U Annealing device |
| 04/03/2013 | CN202849495U Atomized water cooling device for seamless steel pipes |
| 04/03/2013 | CN202849492U Spray quenching testing apparatus |
| 04/03/2013 | CN202849491U Internal-mixed atomizing spray gun quenching device |
| 04/03/2013 | CN202849490U Signal detection device |
| 04/03/2013 | CN202849489U Numerical control system of quench machining tool |
| 04/03/2013 | CN202849488U Super large power frequency induction heating quenching unit |
| 04/03/2013 | CN202849487U Test sample quenching protection barrel |
| 04/03/2013 | CN202849486U Vertical pit furnace cover |
| 04/03/2013 | CN202849485U Novel high-hardness cast iron grinding tool |
| 04/03/2013 | CN202849484U Riding wheel drive device for high-temperature annealing furnace |
| 04/03/2013 | CN202849483U Large-scale pit fuel gas type heat treatment furnace |
| 04/03/2013 | CN202849482U Gradient heat treatment device |
| 04/03/2013 | CN202848537U Toothed rail for preventing tempering dehiscence |
| 04/03/2013 | CN202845260U Stainless steel wire annealing liquid coating device |
| 04/03/2013 | CN103025897A Method for manufacturing spring and device for heating by passage of electric current |