| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 01/11/2012 | CN102312073A Pinch roller mechanism of quenching device |
| 01/11/2012 | CN102312072A Rivet quenching system |
| 01/11/2012 | CN102312068A Stainless steel hydrogen protective bright treatment production technology |
| 01/11/2012 | CN102312065A Method for preventing GCr 15 steel surface oxidation |
| 01/11/2012 | CN102312064A Oil-quenching air-cooling vacuum furnace |
| 01/11/2012 | CN102312063A Quenching apparatus |
| 01/11/2012 | CN102312062A Swing-type feed roller table of quenching device |
| 01/11/2012 | CN102312061A Novel hearth brick for annealing electric furnace |
| 01/11/2012 | CN102312060A Isothermal quenching method of bearing steel G55SiMoV |
| 01/11/2012 | CN102312059A Steel cylinder quenching and tempering apparatus |
| 01/11/2012 | CN102312058A Treatment process for shortening planetary extruder screw length |
| 01/11/2012 | CN102312057A Heat treating method for driving roll and driving gear of rolling mill |
| 01/11/2012 | CN102312056A Along rolling path surface quenching process for ball screw shaft |
| 01/11/2012 | CN102312055A Anti-deformation method of flat casting |
| 01/11/2012 | CN101921898B Annular water-blowing device |
| 01/11/2012 | CN101906516B Metal product quenching medium cyclic utilization device |
| 01/11/2012 | CN101838730B Reversible deformation correcting method for elliptical gear ring subjected to deformation after carburization |
| 01/11/2012 | CN101745532B Preparation method of thick medium and high chromium ferritic stainless steel |
| 01/11/2012 | CN101624682B Ultra-high strength high-ductility steel and manufacturing method thereof |
| 01/11/2012 | CN101538686B Martensite precipitation hardening stainless steel for structural member and manufacturing method thereof |
| 01/11/2012 | CN101490439B Sheave member for belt continuously variable transmissions and method of manufacturing it |
| 01/11/2012 | CN101297049B Method for producing hot strip with a multiphase structure |
| 01/11/2012 | CN101180411B Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same |
| 01/10/2012 | CA2308507C Slit nozzle for spraying a continuous casting product with a cooling liquid |
| 01/05/2012 | WO2012002868A1 Method of making a bearing ring, a bearing ring and a bearing |
| 01/05/2012 | WO2012002864A1 Bearing component and method for surface hardening |
| 01/05/2012 | WO2012002863A1 Mechanical component and method for surface hardening |
| 01/05/2012 | WO2012002862A1 Mechanical component and method of surface hardening |
| 01/05/2012 | WO2012002532A1 Multi-chamber heat treatment device |
| 01/05/2012 | WO2011131174A3 Method and device for hot forming and heat treatment of coated sheet metal |
| 01/05/2012 | US20120001093 Luminescent glass element, producing method thereof and luminescing method thereof |
| 01/05/2012 | US20120001092 Luminescent glass element, producing method thereof and luminescing method thereof |
| 01/05/2012 | US20120001091 Luminescent glass element, producing method thereof and luminescing method thereof |
| 01/04/2012 | EP2402466A1 Manufacturing method and heat-treatment device for high-strength, highly-tough thin steel |
| 01/04/2012 | CN202100524U Circulating fan blades of fan at furnace bottom |
| 01/04/2012 | CN202100502U Furnace bottom fan |
| 01/04/2012 | CN202099352U Tempering device for copper clad steel or copper clad aluminum composite wires |
| 01/04/2012 | CN202099351U Tempering device of copper-clad steel or copper-clad aluminum composite wire |
| 01/04/2012 | CN202099350U Heat treatment for a steel wire |
| 01/04/2012 | CN202099346U Sizing block special for heat treatment |
| 01/04/2012 | CN202099345U Coaxial blowing type gas protection device |
| 01/04/2012 | CN202099344U Sensor for simultaneous quenching of three rows of raceways of slewing bearing |
| 01/04/2012 | CN202099343U Oil leakage prevention furnace door of horizontal type vacuum quenching furnace |
| 01/04/2012 | CN202099342U Combustion control system for heat treating furnace |
| 01/04/2012 | CN202099341U Integral quenching device of planet carrier shaft |
| 01/04/2012 | CN202099340U Furnace cover of annealing furnace |
| 01/04/2012 | CN202099339U Environment-friendly spheroidizing annealing furnace |
| 01/04/2012 | CN202099338U Annealing furnace |
| 01/04/2012 | CN202099337U Furnace roller of roller heath batch-type spheroidizing annealing furnace |
| 01/04/2012 | CN202099336U Fuel gas spheroidizing annealing furnace |
| 01/04/2012 | CN202099335U Furnace bottom structure of spheroidizing annealing furnace |
| 01/04/2012 | CN202099334U Spheroidizing annealing furnace |
| 01/04/2012 | CN202099333U Furnace-roller roller seat for roller hearth batch type spheroidizing annealing furnace |
| 01/04/2012 | CN202099332U Inner wall heating structure of balling annealing furnace |
| 01/04/2012 | CN202099331U Thermal fuse of spheroidizing annealing furnace |
| 01/04/2012 | CN202099330U Outer ring structure of insulating bricks at bottom of annealing furnace |
| 01/04/2012 | CN202099329U Convection barrel of annealing furnace |
| 01/04/2012 | CN202099328U Seal ring for furnace lid |
| 01/04/2012 | CN202099327U Insulating brick at outer ring of bottom of annealing furnace |
| 01/04/2012 | CN202099326U Lifting rope connecting structure for annealing furnace cover |
| 01/04/2012 | CN202099325U Super-huge type heat recovery disk-pushing type wire rod continuous isothermal spheroidizing annealing furnace |
| 01/04/2012 | CN202099324U Three-section continuous vacuum annealing furnace |
| 01/04/2012 | CN202099323U Automatic furnace temperature control device for stainless steel annealing furnace |
| 01/04/2012 | CN202099322U Copper and copper alloy continuous network chain type annealing furnace |
| 01/04/2012 | CN202099321U Device for using laser to treat roller surface |
| 01/04/2012 | CN202099320U Turning device for surface laser treatment of die-casting punch |
| 01/04/2012 | CN102308010A Automatic heat treatment method for metal ring |
| 01/04/2012 | CN102308009A Handling machine for rails and handling process associated thereto |
| 01/04/2012 | CN102308008A Heat treatment device and heat treatment method |
| 01/04/2012 | CN102305546A Heat sink of oil quenching gas cooling vacuum furnace |
| 01/04/2012 | CN102304675A Preparation method of corrosion resisting steel pipe |
| 01/04/2012 | CN102304670A Steel plate with -40 DEG C strain aging and high toughness and production method thereof |
| 01/04/2012 | CN102304615A Central heat exchanger for bright annealing bell type furnace |
| 01/04/2012 | CN102304614A Method for monitoring heat treatment temperature of power-up steel wire |
| 01/04/2012 | CN102304610A Dispersion rod of tilting drum type resistance rotary furnace for discharged quenching material |
| 01/04/2012 | CN102304609A Cooling device for high-pressure gas-quenching vacuum furnace |
| 01/04/2012 | CN102304608A Novel medium frequency hardening inductor |
| 01/04/2012 | CN102304607A Cam rotary scanning induction quenching device |
| 01/04/2012 | CN102303212A Process for manufacturing lining board of wet-spraying machine |
| 01/04/2012 | CN102303210A Method for manufacturing continuous induction heating snap rings of rotation tool, drill bit, hammer tool and saw blade |
| 01/04/2012 | CN102303121A Efficient and low-consumption method for machining and crushing ferroalloy |
| 01/04/2012 | CN101914667B Continuous quenching and tempering device for valve rod end |
| 01/04/2012 | CN101906565B Carbide-containing ausferrite spheroidal graphite cast iron grinding ball and manufacturing method thereof |
| 01/04/2012 | CN101905249B Method and device for machining curved profiles in combination with online quenching temperature control in short flow |
| 01/04/2012 | CN101845637B Grain boundary diffusion process for neodymium iron boron magnet |
| 01/04/2012 | CN101736189B High-frequency quenching gear and heating processing technology thereof |
| 01/04/2012 | CN101736139B Organization control method of large-size pre-hardening type plastic die steel module |
| 01/04/2012 | CN101654734B Method for manufacturing alloy nodular cast iron roll of universal mill |
| 01/04/2012 | CN101654733B Surface hardening method for tooth surface of large-sized bevel wheel |
| 01/04/2012 | CN101503013B High-chromium cast iron composite wear-resistant material and technique for preparing the same |
| 01/04/2012 | CN101415549B Soft magnetic metal strip laminate and process for production thereof |
| 01/03/2012 | US8088328 Vacuum nitriding furnace |
| 01/03/2012 | CA2513298C High-strength hot-dip galvanized steel sheet and method for producing the same |
| 12/29/2011 | WO2011161927A1 Manufacturing method for steel pipe |
| 12/29/2011 | WO2011160209A1 Tailored properties by post hot forming processing |
| 12/29/2011 | US20110315896 Luminescent glass element, producing method thereof and luminescing method thereof |
| 12/29/2011 | US20110315895 Luminescent glass element, producing method thereof and luminescing method thereof |
| 12/29/2011 | CA2804707A1 Tailored properties by post hot forming processing |
| 12/28/2011 | EP2398925A2 Quenching machine and method for fixture quenching by induction |
| 12/28/2011 | EP2398606A1 Method for producing a press-quenched metal component |