| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/11/2009 | CN201343567Y Energy-saving high-frequency aluminum tube annealer |
| 11/11/2009 | CN201343563Y Wiping and drying system with a deviation correcting device for vertical quench tank |
| 11/11/2009 | CN201343562Y Device for controlling opening and closing of exhaust pipe of aluminium rod cooling chamber |
| 11/11/2009 | CN201343561Y Hand-operated link-rod rotary-plate air-regulating device for injecting cold air into exhaust branch pipe of roller hearth-type heat-treatment furnace |
| 11/11/2009 | CN201343560Y Wiping and drying system for vertical quench tank |
| 11/11/2009 | CN201343559Y Aluminium bar cooling device |
| 11/11/2009 | CN201343558Y Hanging device used for suspension and heat treatment of vehicle axle and hanger adopting same |
| 11/11/2009 | CN201343557Y Sand recovering device for heat-treatment furnace |
| 11/11/2009 | CN201343556Y Heat treating anti-deforming device |
| 11/11/2009 | CN101578385A Ferritic stainless steel sheet for water heater excellent in corrosion resistance at welded part and steel sheet toughness |
| 11/11/2009 | CN101578381A Processes for production of steel sheets for cans |
| 11/11/2009 | CN101578379A Method and apparatus for the heat treatment of welds |
| 11/11/2009 | CN101576133A Powder metallurgy automobile braking system thrust block and method for preparing same |
| 11/11/2009 | CN101575947A High-strength high-toughness carbide-free bainite drill pipe and preparation method thereof |
| 11/11/2009 | CN101575666A Heat processing technology for improving low-temperature impact work of 42CrMo bearing |
| 11/11/2009 | CN101575665A Roller-bottom type normalizing furnace bottom-roller changing method |
| 11/11/2009 | CN101575664A Process for heat treatment of amorphous transformer core |
| 11/11/2009 | CN101575663A Anchor chain hardening and tempering furnace |
| 11/11/2009 | CN101575662A Guide wheel for producing anchor chain |
| 11/11/2009 | CN101575661A Double-inlet chain hardening and tempering furnace |
| 11/11/2009 | CN101574769A Surface treatment method of piston for quartering hammer |
| 11/11/2009 | CN100559009C Sucker rod cold-drawing recovery production process |
| 11/11/2009 | CN100558916C Stainless steel sheet for gasket and method for producing same |
| 11/11/2009 | CN100558504C Preparation of seamless special-shaped steel pipe for low temperature resistance oil derrick electric transmission pole tower |
| 11/10/2009 | US7615186 Spring steel excellent in sag resistance and fatigue property |
| 11/10/2009 | US7615124 Plating coating is intimately bonded, by high pressure, to a core made of hardenable steel with moderate mechanical properties, and then the plated wire undergoes a rapid high-temperature hardening step followed by tempering; corrosion resistance, strength; wound armor wires |
| 11/10/2009 | CA2397953C Method for producing angular, stainless shot-blasting abrasives based on fe-cr-c alloy |
| 11/05/2009 | WO2009133965A1 Hot-rolled steel plate for steel tubes for machine structural purposes which is excellent in fatigue characteristics and bending formability and process for production of the plate |
| 11/05/2009 | WO2009132868A1 Steel filament patented in bismuth |
| 11/05/2009 | WO2009132689A1 Manufacturing method for a drive belt ring component |
| 11/05/2009 | WO2009097426A3 Steel sheet heat treatment/stamp system and method |
| 11/05/2009 | US20090272470 Method of Heat Treating Cultivating Disc, Coulter, and Seed Drill Blades Made From Heat Quenched Boron Steels, Such That They Can Be Roller Re-edged and Re-sharpened, and Yet Retain Excellent Toughness, Hardness and Wear Characteristics, and Are Especially Useful in Dry Sandy Soils Such as Found in Certain Wheat Growing Regions |
| 11/05/2009 | US20090272469 0.05% or less C; 0.5% or less Si; 0.20% to 1.80% Mn; 0.03% or less P; 0.005% or less S; 14.0% to 18.0% Cr; 5.0% to 8.0% Ni; 1.5% to 3.5% Mo; 0.5% to 3.5% of Cu; 0.05% or less Al; 0.20% or less V; 0.01% to 0.15% oN2; and 0.006% or less O2 on a mass basis; corrosion resistance; heating, quanching, cooling |
| 11/05/2009 | DE102008012062A1 Annular chamber furnace for burning combustion products such as carbon electrodes, anodes and/or cathodes, comprises combustion chambers, and cartridge walls arranged for sub-dividing the combustion chambers |
| 11/05/2009 | DE102005061979B4 Verfahren zur Herstellung einer Nockenwelle A method for producing a camshaft |
| 11/04/2009 | EP2113580A1 Steel wire rod excellent in mechanical descaling |
| 11/04/2009 | EP1290236B1 Welding method, filler metal composition and article made therefrom |
| 11/04/2009 | CN201341250Y Induction heaters used for heating serrated racks and induction heat treatment device comprising same |
| 11/03/2009 | US7611590 Wear resistant alloy for valve seat insert used in internal combustion engines |
| 11/03/2009 | CA2495514C Methods and apparatus for heat treatment and sand removal for castings |
| 10/29/2009 | WO2009131211A1 Heat treatment method for rolling bearing device for wheel and cooling device for inner shaft |
| 10/29/2009 | WO2009131202A1 Method for producing steel parts |
| 10/29/2009 | DE202008008067U1 Vorrichtung zum Fixieren eines Bauteils während einer Wärmebehandlung Apparatus for fixing a component during a heat treatment |
| 10/29/2009 | DE102008055980A1 Verfahren und Durchlaufofen zum Erwärmen von Werkstücken A method and a continuous furnace for heating workpieces |
| 10/28/2009 | EP2112245A1 Ferritic stainless steel for exhaust gas passage member |
| 10/28/2009 | EP2112238A1 Continuous annealing equipment |
| 10/28/2009 | EP1761933B1 Method and device for heat treating a fuel assembly box made of a zirconium alloy |
| 10/28/2009 | EP1481102B1 Method of heat treatment of stainless steel. |
| 10/28/2009 | EP1120577B1 Rolling bearing and method for fabricating a race for a rolling bearing |
| 10/28/2009 | CN101568726A Swash plate type piston pump motor and method for manufacturing the same |
| 10/28/2009 | CN101568655A High carbon hot-rolled steel sheet and method for production thereof |
| 10/28/2009 | CN101568654A Method of cooling hot forged part, apparatus therefor, and process for producing hot forged part |
| 10/28/2009 | CN101567234A Method for preparing capacity-increased and energy-saving overhead power transmission shaped conductor |
| 10/28/2009 | CN101566066A High-intensity hydraulic support pipe with wall thickness of 60mm-70mm |
| 10/28/2009 | CN101565773A Heat treatment furnace of pressure container |
| 10/28/2009 | CN101565772A Plasma quenching method of screw threads of petroleum drilling tools |
| 10/28/2009 | CN101564802A Field welding and stabilizing heat treatment method of thick-wall pipeline |
| 10/28/2009 | CN101564738A Machining process of directly pulling steel round rope into flat rope |
| 10/28/2009 | CN100554489C Oxidation controlling method before continuous steel strip electroplating and electroplating operating line |
| 10/28/2009 | CN100554482C New type roller made from hard material suitable to tandem mill for bars and wire rods, and manufacturing method |
| 10/28/2009 | CN100554481C Alloy ball iron guide disc for precision tube mill |
| 10/28/2009 | CN100554442C Method for control of cooling of steel plate |
| 10/27/2009 | US7608156 High strength cold rolled steel sheet and method for manufacturing the same |
| 10/22/2009 | WO2009128428A1 High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet |
| 10/22/2009 | WO2009100702A8 Method and device for the heat treatment of a tubular body for a delivery pipe and a method for the production of a delivery pipe |
| 10/22/2009 | US20090263268 Raw Magnesium Alloy Powder Material, Magnesium Alloy with High Proof Stress, Manufacturing Method of Raw Magnesium Alloy Powder Material and Manufacturing Method of Magnesium Alloy with High Proof Stress |
| 10/22/2009 | US20090260728 Method and installation for producing hot-rolled strip from austenitic stainless steels |
| 10/21/2009 | EP2110448A2 Method and circulation oven for heating workpieces |
| 10/21/2009 | EP1157138B9 Cold rolled steel |
| 10/21/2009 | CN201330271Y Residual hydrogen lightningproof alarm device of all hydrogen bell-type annealing furnace |
| 10/21/2009 | CN201330270Y Quenching tool for pressure quenching of driven gear |
| 10/21/2009 | CN201330269Y Special clamp for isothermal quenching heat treatment of supercharged diesel six-cylinder crankshaft |
| 10/21/2009 | CN201330268Y Pusher mechanism of heat treating furnace |
| 10/21/2009 | CN201330267Y Speed conversion transmission driving unit device for continuous roller-hearth steel bottle heat treatment production line |
| 10/21/2009 | CN201330263Y Heat-treatment electric resistance furnace using residual heat cyclic normalizing of forging blank |
| 10/21/2009 | CN201330262Y Well-type protective atmosphere annealing oven |
| 10/21/2009 | CN201330261Y Strong convection atmosphere protecting spheroidizing annealing oven |
| 10/21/2009 | CN101563475A Cold-rolled steel sheet and process for producing the same |
| 10/21/2009 | CN101563471A Heat treatment method of inlaid pressure vessels |
| 10/21/2009 | CN101561224A Method for controlling combustion atmosphere in large-scale walking beam type plate blank heating furnace |
| 10/21/2009 | CN101560598A Induction heating device applicable for thin metal narrowband heating |
| 10/21/2009 | CN101560597A Flexible annealing method for eliminating ferritic stainless steel cold-reduced sheet strip Luders strain |
| 10/21/2009 | CN101560596A Quenching treatment process of medium chromium cast ball |
| 10/21/2009 | CN101560595A Induction heat processing method of truck longeron and device thereof |
| 10/21/2009 | CN101560594A Elastic wave treating device |
| 10/21/2009 | CN101560590A Holding device |
| 10/21/2009 | CN101560588A Top deviation-correcting device for annealing furnace with stainless steel mirror board |
| 10/21/2009 | CN101559446A Method for preparing welded stainless steel pipe of boiler |
| 10/21/2009 | CN100552371C Hot rolling bar plate scythes bend and bias-running online detection method |
| 10/21/2009 | CN100552358C Circular ring -type continuous calcining annealing hearth |
| 10/21/2009 | CN100552073C Hot dip galvanized high strength steel sheet having excellent plating adhesion and hole expansibility, and its production method |
| 10/21/2009 | CN100552056C Lining for metallic heat treating furnace |
| 10/21/2009 | CN100552054C Method of making a component part of a reclining device |
| 10/20/2009 | US7603929 Rolling bearing, cam-follower with roller, and cam |
| 10/15/2009 | WO2009126850A1 Inductive heating using permanent magnets for hardening of gear teeth and components alike |
| 10/15/2009 | WO2009125876A1 High-strength steel sheet for container and process for production thereof |
| 10/15/2009 | WO2009125874A1 High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both |
| 10/15/2009 | WO2009125645A1 Induction heating apparatus and induction heating method |
| 10/15/2009 | WO2009124830A1 Method and apparatus for controlled cooling |
| 10/15/2009 | DE102008016854A1 Apparatus for locally strengthening railway wheel sets, to increase operating life, includes four cylindrical hollow disk electrodes in pairs on each end of frame |