| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 10/05/2011 | CN102206828A Treatment process for improving comprehensive properties by alloying surface of sucker rod |
| 10/05/2011 | CN102206789A Oil well pipe for expandable-tube use excellent in toughness after pipe expansion and process for producing the same |
| 10/05/2011 | CN102206742A Waste hydrogen combustion system for full-hydrogen bell-type furnace used for bright annealing |
| 10/05/2011 | CN102206741A Combinatorial optimization method of steel coil stacking of hood-type annealing furnace |
| 10/05/2011 | CN102206740A Stainless-steel bright annealing furnace with holding apparatus |
| 10/05/2011 | CN102206738A Quenching system and method for plates through hard medium |
| 10/05/2011 | CN102206734A Novel quenching furnace |
| 10/05/2011 | CN102205416A Manufacture method of engine tappet |
| 10/05/2011 | CN101899633B Automatic loading device for nonferrous metal tube annealing furnace |
| 10/05/2011 | CN101892378B Heating method suitable for semi-tandem rolling and hot rolling of wide strip steel |
| 10/05/2011 | CN101831528B Saw bade alloy tool bit and laser strengthening treatment process thereof |
| 10/05/2011 | CN101698902B Quenching method for integral cast steel supporting roll |
| 10/05/2011 | CN101664868B Method for manufacturing stainless steel ultrathin white steel coil |
| 10/05/2011 | CN101525683B Heat-treated steel plate cooling device and cooling control method thereof |
| 10/04/2011 | US8029865 Method for coating or heat treatment of blisks for aircraft gas turbines |
| 10/04/2011 | US8029629 Sputtering target and manufacturing method thereof |
| 09/29/2011 | WO2011118854A1 Ferrite stainless steel sheet having high thermal resistance and processability, and method for manufacturing the same |
| 09/29/2011 | WO2011118841A1 High-strength electrical-resistance-welded steel pipe and manufacturing method therefor |
| 09/29/2011 | WO2011118459A1 Ultra high strength cold rolled steel sheet and method for producing same |
| 09/29/2011 | WO2011118452A1 Method for electrically heating spring, and device for same |
| 09/29/2011 | WO2011118451A1 Method for producing spring |
| 09/29/2011 | WO2011118421A1 Method for producing high-strength steel plate having superior deep drawing characteristics |
| 09/29/2011 | WO2011118201A1 Heat treatment method for long material, manufacturing method for long material, and heat treatment furnace used in above methods |
| 09/29/2011 | WO2011118126A1 Method for producing ultra high strength member and use of ultra high strength member |
| 09/29/2011 | WO2011117336A1 Method and device for wire patenting by radiation-convection heat transfer |
| 09/29/2011 | US20110232810 Method for heat treatment of coiled spring |
| 09/29/2011 | US20110232807 High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same |
| 09/29/2011 | DE102010012830A1 Verfahren zur Herstellung einer Kraftfahrzeugkomponente und Karosseriebauteil A process for preparing a motor vehicle component and body component |
| 09/29/2011 | CA2793708A1 Method and apparatus for electrically heating spring |
| 09/29/2011 | CA2793707A1 Method for manufacturing spring |
| 09/29/2011 | CA2793589A1 Method and device for wire patenting by radiation-convection heat transfer |
| 09/29/2011 | CA2790579A1 Method for heat treating longer-length product, method for manufacturing longer-length product, and heat treatment furnace used for said methods |
| 09/28/2011 | EP2367962A1 Method for producing partially hardened components from sheet steel |
| 09/28/2011 | EP1514950B1 Stainless-steel pipe for oil well and process for producing the same |
| 09/28/2011 | CN201992999U 一种用于台车炉的装料架 A trolley furnace charge holder for |
| 09/28/2011 | CN201990712U 一种超薄型可承重对流盘 An ultra-thin type can load convection plate |
| 09/28/2011 | CN201990711U 一种罩式退火炉的防爆裂内胆 A hood-type annealing furnace of anti-tank burst |
| 09/28/2011 | CN201990710U 一种齿轮感应淬火器的喷水装置 A GEAR induction hardening the sprinkler |
| 09/28/2011 | CN201990709U 主动锥齿轮感应加热正火感应器 Driving bevel gear induction heating normalizing sensor |
| 09/28/2011 | CN201990708U 一种热处理炉 One kind of heat treatment furnace |
| 09/28/2011 | CN201990707U 一种冷拔无缝钢管退火后预矫直装置 After a pre-annealing of cold drawn seamless steel pipe straightening device |
| 09/28/2011 | CN201990706U 小钢板弹簧回火立放托架 Small stand up bay leaf spring tempered |
| 09/28/2011 | CN201990705U 双梁弹条加热炉弹条工件分流机构 Dual-beam furnace shells of shells of the workpiece shunt mechanism |
| 09/28/2011 | CN201990704U 铁路扣件弹条加热炉输送机构 Railway transport mechanism fastener Elastic furnace |
| 09/28/2011 | CN201990703U 混流式水轮机转轮退火支撑装置 Francis turbine runner annealing support device |
| 09/28/2011 | CN201990702U 小型轴件自动精密淬火装置 Small shaft automatic precision hardening apparatus |
| 09/28/2011 | CN102203313A Alloyed hot-dip galvanized steel sheet and method for producing same |
| 09/28/2011 | CN102203305A Continuous annealing furnace |
| 09/28/2011 | CN102203304A Patenting of steel wire in tin, and the steel wire resulting therefrom |
| 09/28/2011 | CN102203303A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe |
| 09/28/2011 | CN102203302A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe |
| 09/28/2011 | CN102203301A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe |
| 09/28/2011 | CN102202913A Bearing device for wheels |
| 09/28/2011 | CN102199995A Process for producing high-precision special threaded sleeve pipe coupling |
| 09/28/2011 | CN102199732A Boron containing steel plate for heat treatment and manufacturing method thereof |
| 09/28/2011 | CN102199730A Seamless oil bushing with steel grade higher than 140ksi and hydrogen sulfide corrosion resistance, and manufacture method thereof |
| 09/28/2011 | CN102199728A Complex-phase reinforced rare-earth ferritic stainless steel for construction and manufacturing process thereof |
| 09/28/2011 | CN102199726A High-strength cold-roll steel sheet for inner container of water heater and continuous annealing technology for same |
| 09/28/2011 | CN102199711A Production method of high-precision ultralong oxygen-free copper strip |
| 09/28/2011 | CN102199703A Method for treating quenching arc-shaped cracks of carbon steel thin-wall ring part |
| 09/28/2011 | CN102199702A Composite strengthening heat treatment technology of internal combustion engine crankshaft |
| 09/28/2011 | CN102199701A Heat treatment method of unidirectionally-warped and bent-downwards steel plate |
| 09/28/2011 | CN102199700A Heat treatment method for special drilling rod with non-through hole in end part and device |
| 09/28/2011 | CN102199699A Method for producing a motor vehicle component, and a body component |
| 09/28/2011 | CN102199698A Laser reinforcing process for valve seat of cylinder head |
| 09/28/2011 | CN102199695A Processing method for ferrite antibacterial stainless steel plate strip |
| 09/28/2011 | CN102199694A Method for increasing tin plated raw plate yield |
| 09/28/2011 | CN102199692A Method for heat treatment of coiled spring |
| 09/28/2011 | CN101984090B Integrated immersion quenching device of steel bottle quenching-and-tempering line |
| 09/28/2011 | CN101914669B Cold induction quenching process for single tooth back of large-modulus gear ring |
| 09/28/2011 | CN101899559B Manufacturing method of high strength bumper for automobile side-door |
| 09/28/2011 | CN101824564B Titanium alloy TC4 cold-rolled tube and production method thereof |
| 09/28/2011 | CN101812652B Method for heating titanium blank by using continuous heating furnace |
| 09/28/2011 | CN101811076B Composite toothed plate and casting method thereof |
| 09/28/2011 | CN101805824B Interrupted quenching thermal treatment method of 42CrMo4 roller shaft |
| 09/28/2011 | CN101787427B Crankshaft fillet quenching method |
| 09/28/2011 | CN101684516B Piecewise heat treatment method of large pressure container |
| 09/28/2011 | CN101680066B Ferritic stainless steel sheet having excellent corrosion resistance against sulfuric acid, and method for production thereof |
| 09/28/2011 | CN101660025B Medium frequency induction hardening process of super large diameter bearing steel castings |
| 09/28/2011 | CN101613829B Steel pipe for borehole operation of 150ksi steel grade high toughness oil and gas well and production method thereof |
| 09/28/2011 | CN101567234B Method for preparing capacity-increased and energy-saving overhead power transmission shaped conductor |
| 09/28/2011 | CN101490296B Hot-rolled high-carbon steel sheets and process for production of the same |
| 09/28/2011 | CN101305109B Iron-based alloy having shape-memory property and superelasticity and method for manufacture thereof |
| 09/27/2011 | US8025835 Furnace configured for use in both the galvannealing and galvanizing of a metal strip |
| 09/27/2011 | CA2686377C Method for hot rolling and for heat treatment of a strip of steel |
| 09/22/2011 | WO2011115279A1 Hot-rolled steel sheet having excellent cold working properties and hardening properties, and method for producing same |
| 09/22/2011 | WO2011115255A1 Spring steel and surface treatment method for steel material |
| 09/22/2011 | WO2011115110A1 Method for producing vehicle stabilizer |
| 09/22/2011 | WO2011114896A1 Seamless steel pipe for steam injection, and method of manufacturing same |
| 09/22/2011 | WO2011114836A1 Steel for case-hardening treatment, case-hardened steel component, and method for producing same |
| 09/22/2011 | WO2011114775A1 Steel for nitrocarburization, nitrocarburized components, and production method for same |
| 09/22/2011 | WO2011114227A2 Grain oriented steel strip with high magnetic characteristics, and manufacturing process of the same |
| 09/22/2011 | WO2011114178A1 Process for the production of grain oriented electrical steel |
| 09/22/2011 | WO2011113404A1 Method for producing workpieces from lightweight steel having material properties that can be adjusted over the wall thickness |
| 09/22/2011 | WO2011113165A1 Process and apparatus for heating elongated metal products |
| 09/22/2011 | US20110226392 Drive device, lens barrel, image pickup apparatus, lens drive method and method of producing shape memory alloy |
| 09/22/2011 | DE102009051157B4 Kammerofen mit Übertemperatur Chamber furnace with high temperature |
| 09/22/2011 | CA2793174A1 Automobile stabilizer bar manufacturing method |
| 09/22/2011 | CA2790278A1 Seamless steel pipe for steam injection and method for manufacturing the same |
| 09/21/2011 | EP2366806A1 Machine for performing heat treatment of mechanical parts shaped like a solid of rotation, in particular for hardening railroad wheels or the like |