| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 06/24/2009 | CN101463418A Vertical loop moving mill frame mechanism with position detection apparatus |
| 06/24/2009 | CN101463417A Heat treatment method for strip steel inlaid guide rail |
| 06/24/2009 | CN101463416A Valve port shielding heat treatment method for hydraulic mechanism control valve |
| 06/24/2009 | CN101463414A Production method for steel plate and equipment therefor |
| 06/24/2009 | CN100505956C Induction heating coil and induction heating method for multi-step shaft member |
| 06/24/2009 | CN100504092C Rolling bearing, cam-follower, and cam |
| 06/23/2009 | US7550050 Method and apparatus for cooling strip and wire material |
| 06/23/2009 | CA2418299C Variable softness vaso-occlusive coils |
| 06/18/2009 | WO2009076615A1 Rapid thermal treatment for enhancing bending stiffness and yield moment curved needles |
| 06/18/2009 | WO2009076610A1 Rapid thermal treatment for coloring surgical needles |
| 06/18/2009 | WO2009074036A1 A quenching device for steel balls |
| 06/18/2009 | US20090157116 Rapid thermal treatment for enhancing bending stiffness and yield moment of curved needles |
| 06/18/2009 | US20090155118 High Strength Steel |
| 06/18/2009 | US20090151824 High strength wire rod excellent in drawability and method of producing same |
| 06/18/2009 | US20090151823 Rapid thermal treatment for coloring surgical needles |
| 06/18/2009 | US20090151819 Method for bonding components of medical devices |
| 06/18/2009 | CA2709303A1 Rapid thermal treatment for enhancing bending stiffness and yield moment of curved needles |
| 06/18/2009 | CA2708964A1 Rapid thermal treatment for coloring surgical needles |
| 06/17/2009 | EP2071045A2 Method and device for producing hardened components from sheet metal with a closed profile or an open profile with an undercut |
| 06/17/2009 | EP2069547A2 Steel composition for special uses, in particular in the automotive field |
| 06/17/2009 | EP1558770B1 Atmosphere control during continuous heat treatment of metal strips |
| 06/17/2009 | CN201258350Y Furnace construction of fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 06/17/2009 | CN201258349Y Mounting structure of combustor of fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 06/17/2009 | CN201258348Y Cooling device of fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 06/17/2009 | CN201258347Y Low level sand returning machine in fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 06/17/2009 | CN201258346Y Block-resistant tailing bucket for steel rolling furnace |
| 06/17/2009 | CN101460639A Process for applying internal compressive stresses in a shaft, in particular in shaft chamferings |
| 06/17/2009 | CN101457287A Auxiliary quenching fixture and quenching method of thin wall internal tooth ring |
| 06/17/2009 | CN101457286A Heavy sectional steel ball rotary integral uniform heating processing method |
| 06/17/2009 | CN100500911C Steel plate excellent in resistance to fatigue crack expansibility and manufacturing method thereof |
| 06/17/2009 | CN100500910C Seamless steel pipe and method for production thereof |
| 06/17/2009 | CN100500909C Alloy tool steel |
| 06/17/2009 | CN100500886C Novel technique for comprehensive utilization of continuous strip annealing furnace flue gas exhaust heat and device thereof |
| 06/17/2009 | CN100500885C Water leaching table for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 06/17/2009 | CN100500884C Medium frequency induction heating treatment system for steel pipe, petroleum well pipe and drill pipe |
| 06/17/2009 | CN100500883C Heating roller-way for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 06/16/2009 | US7546755 Structural component |
| 06/11/2009 | WO2009072394A1 Non-oriented electromagnetic steel plate having low high-frequency iron loss and process for producing the non-oriented electromagnetic steel plate |
| 06/11/2009 | WO2009072303A1 High-strength steel sheet, automotive strengthening member comprising the same, and process for producing automotive strengthening member |
| 06/11/2009 | WO2009071764A1 Comb-like slit laminated yoke for a travelling-magnetic-field inductor for reheating metal strip |
| 06/11/2009 | US20090145527 Method of introducing residual compressive stresses into a shaft |
| 06/11/2009 | CA2704743A1 Comb-like slit laminated yoke for a travelling-magnetic-field inductor for reheating metal strip |
| 06/11/2009 | CA2674197A1 Steel plate superior in ctod properties of weld heat-affected zone and method of production of same |
| 06/10/2009 | EP2067870A1 Enameling steel sheet highly excellent in unsusceptibility to fishscaling and process for producing the same |
| 06/10/2009 | CN201254594Y Heating stove up-down support frame |
| 06/10/2009 | CN201254593Y Gear surface quenching apparatus of large-sized beveled wheel |
| 06/10/2009 | CN201254592Y Bidirectional heat reclamation type continuous isothermal heat treatment furnace |
| 06/10/2009 | CN101454466A Method for controlling a metal strip in a heat treatment furnace |
| 06/10/2009 | CN101454465A Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 06/10/2009 | CN101451184A Low-temperature prewarming and flattening method of normalizing furnace |
| 06/10/2009 | CN101451183A Partial hardening apparatus by high frequency current for shaft type parts |
| 06/10/2009 | CN100497668C High-speed tool steel wire vacuum heat treatment technique |
| 06/10/2009 | CN100497667C Quenching mechanism of steel ball quenching machine |
| 06/10/2009 | CN100497666C Steel ball quenching machine |
| 06/10/2009 | CN100497665C Soft sealer for vacuum chamber |
| 06/10/2009 | CN100497664C Pushing type heating furnace with cooling apparatus |
| 06/10/2009 | CN100496787C Method of making a metallic thin wire |
| 06/09/2009 | US7544258 Method of fabricating pressed components |
| 06/09/2009 | US7544255 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance |
| 06/04/2009 | WO2009069829A1 Hearth roll for continuous annealing furnace and process for production of the same |
| 06/04/2009 | WO2009069547A1 Machine component and rolling bearing |
| 06/04/2009 | WO2009069283A1 Steel for high-frequency quenching with excellent cold workability, rotary member made of said steel, and motion guiding apparatus using said rotary member |
| 06/04/2009 | WO2009068644A1 Process of thermal treatment of rails and device thereof |
| 06/04/2009 | WO2009067976A1 Method for producing a shaped component comprising at least two joining areas having different ductility |
| 06/04/2009 | WO2009067773A1 An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
| 06/04/2009 | CA2707502A1 An axle from a seamless tube for railroad vehicles, and a process for manufacturing an axle from a seamless steel tube for railroad vehicles |
| 06/03/2009 | EP2065612A1 Leaf spring material and manufacturing method thereof |
| 06/03/2009 | EP1842018B1 Supporting device for articles to be fired that has an elastic support fixing |
| 06/03/2009 | EP1601801A4 Corrosion and wear resistant alloy |
| 06/03/2009 | EP1599885A4 Induction heat treatment of complex-shaped workpieces |
| 06/03/2009 | EP0825270B1 Bearing material |
| 06/03/2009 | CN201250261Y Insulating furnace section of continuous annealing furnace |
| 06/03/2009 | CN201250260Y Sealing device used between annealing furnace air injection slow cooling section and water quenching quick cooling section |
| 06/03/2009 | CN201250259Y 退火炉张力控制装置 Annealing tension control device |
| 06/03/2009 | CN201250258Y Copper strip on-line continuous annealing system |
| 06/03/2009 | CN201250257Y Solution treatment device for bent pipes |
| 06/03/2009 | CN201250256Y Water mist quenching device of steel pipe |
| 06/03/2009 | CN201250255Y Injection spray pipe for water mist quenching of steel pipe |
| 06/03/2009 | CN201250254Y Induction through heating furnace |
| 06/03/2009 | CN201250253Y 钢坯控冷箱 Billet controlled cooling box |
| 06/03/2009 | CN201250252Y Heat treatment device for the radiant section of an oil field fuel steam boiler |
| 06/03/2009 | CN101445867A Heat treatment method for high-power locomotive diesel engine crankshafts |
| 06/03/2009 | CN101445866A Heat treatment process for water pump shaft connecting bearings |
| 06/03/2009 | CN101445865A Boiling water quenching processing technology of copper-chromium-boron cylinder sleeve |
| 06/03/2009 | CN100494641C Steam turbine power plant |
| 06/03/2009 | CN100494456C High-strength hot-dip galvanized steel sheet with excellent spot weldability and stability of material properties |
| 06/03/2009 | CN100494418C Feeding-discharging mechanism of vacuum annealing furnace |
| 06/03/2009 | CN100494417C Strong magnetic field vacuum annealing method for eliminating bulky Widmansttten structure in hypoeutectoid steel |
| 06/02/2009 | US7541299 Method and apparatus for thermally processing microelectronic workpieces |
| 06/02/2009 | US7540993 Continuous process for production of steel part with regions of different ductility |
| 06/02/2009 | US7540928 Process for manufacturing bake hardening steel sheet, and steel sheet and parts thus obtained |
| 06/02/2009 | US7540402 Method for controlling weld metal microstructure using localized controlled cooling of seam-welded joints |
| 05/28/2009 | WO2009066734A1 High-strength cold-rolled steel sheet |
| 05/28/2009 | WO2009065432A1 High strength bainitic steel for octg applications |
| 05/28/2009 | DE102007054761A1 Gas distributor plate for a heating chamber for heat treating metallic workpieces in a vacuum chamber oven comprises a plate element having openings and made from a fiber-reinforced carbon composite material |
| 05/27/2009 | EP2062992A1 Apparatus and process for producing steel sheet plated by hot dipping with alloyed zinc |
| 05/27/2009 | EP2062991A1 Plated steel wire for pws excelling in torsion property and process for producing the same |
| 05/27/2009 | EP1177709B1 Induction heat treatment of complex-shaped workpieces |
| 05/27/2009 | EP1158065B1 High-strength, high-toughness stainless steel excellent in resistance to delayed fracture |
| 05/27/2009 | EP1157138B1 Cold rolled steel |