| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 10/10/2007 | EP1255873B9 Maraging type spring steel |
| 10/10/2007 | CN200959274Y Special transformer for crank-shaft inductive heating quench |
| 10/10/2007 | CN101052731A Steel sheet having high AI content and exhibiting excellent workability and method for production thereof |
| 10/10/2007 | CN101052481A Process and production line for manufacturing hot ultrathin steel strips with two casting lines for a single endless rolling line |
| 10/10/2007 | CN101050511A Vacuum heat treatment method for brazing sheet of hard alloy in low cobalt |
| 10/10/2007 | CN101050510A New type roller made from hard material suitable to tandem mill for bars and wire rods, and manufacturing method |
| 10/10/2007 | CN101050485A Method and equipment for plasticity heat treatment to recover composite boards of explosive welding |
| 10/10/2007 | CN101049667A Technique for fabricating planar whirl spring of flat wire in hard state |
| 10/10/2007 | CN101049665A Method for producing accurate steel balls |
| 10/10/2007 | CN101049654A Technique for heating and welding fan prepared from heterogeneic steels, and heating furnace utilized |
| 10/10/2007 | CN100342040C Low temperature quencing heat treatment technology of high speed steel saw blade |
| 10/10/2007 | CN100342037C Heat treatment method for a cold-rolled strip with an Ni and/or Co surface coating, sheet metal producible by said method and battery can producible by said method |
| 10/04/2007 | WO2007111188A1 Cold-rolled steel sheet, process for producing the same, and cell and process for producing the same |
| 10/04/2007 | WO2007111164A1 High-strength steel sheet having excellent workability |
| 10/04/2007 | WO2007111080A1 Hot-rolled ultrasoft high-carbon steel plate and process for production thereof |
| 10/04/2007 | WO2007111021A1 Quality guarantee system for high frequency heat treatment equipment |
| 10/04/2007 | US20070232471 Adiabatic Roll |
| 10/04/2007 | DE19707033B4 Wälzlager Rolling bearings |
| 10/04/2007 | CA2646734A1 Ultra soft high carbon hot rolled steel sheet and method for manufacturing same |
| 10/03/2007 | EP1840230A2 One-piece calibration method for crankcase tempering, device for implementing the method |
| 10/03/2007 | EP1281782B1 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same |
| 10/03/2007 | EP1274868B1 Method for the production of a part of a rolling bearing |
| 10/03/2007 | EP1161315B1 Method and apparatus for densifying powder metal preforms |
| 10/03/2007 | CN200955061Y Transeverse delivering mechanism in continuous annealing furnace |
| 10/03/2007 | CN200955060Y Multi-working-position laying-off mechanism of continuous annealing furnace |
| 10/03/2007 | CN101048524A Steel pipe for air bag inflator and method for production thereof |
| 10/03/2007 | CN101045972A Wear-resistant bainite cast steel liner plate and its manufacture process |
| 10/03/2007 | CN101045966A Process of sintering and synthesizing RE permanent magnetic alloy |
| 10/03/2007 | CN101045954A Inward spraying nozzle with shifting and rotating function |
| 10/03/2007 | CN101045279A Technique for producing magnesium alloy punched thin plate |
| 10/03/2007 | CN101045276A Process for producing double-layer wrapped welding tube used for connecting indoor/outdoor units of air conditioner |
| 10/03/2007 | CN101045245A One-piece calibration method for crankcase tempering, device for implementing the method |
| 10/03/2007 | CN100340778C Method for mfg. compressor for refrigerating and link thereof |
| 10/03/2007 | CN100340354C Method and apparatus for cooling strip and wire material |
| 10/02/2007 | US7276012 Radial needle-like roller bearing and pinion shaft |
| 10/02/2007 | US7275632 Roller conveyor roller, especially for the transport of furnace-heated metallic strip material |
| 10/02/2007 | US7275582 Methods and apparatus for heat treatment and sand removal for castings |
| 09/27/2007 | WO2007108486A1 Crawler track link and method for manufacturing the same |
| 09/27/2007 | WO2007108344A1 High-strength steel excellent in weldability and process for production thereof |
| 09/27/2007 | WO2007108058A1 Method of bonding steel members, method of enhancing bonding strength of united object comprising steel members, steel product, and die-cast product |
| 09/27/2007 | WO2007082786A8 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 09/27/2007 | US20070221396 Composite Wire for Wire-Harness and Process for Producing the Same |
| 09/27/2007 | DE10107566B4 Verfahren und Vorrichtung zum Kühlen sich überlappender Drahtwindungen beim Transport über ein Kühlbett durch Anblasen mit Kühlluft Method and apparatus for cooling of overlapping wire turns during transport through a cooling bed by blowing with cooling air |
| 09/27/2007 | CA2582391A1 Monobloc gauging process for quenching housings, device for implementing said process |
| 09/26/2007 | EP1837410A1 Process and installation for rapid cooling of workpieces |
| 09/26/2007 | CN200952030Y Vertical galvannealing furnace non-oxidation furnace charmber block device |
| 09/26/2007 | CN200952029Y Furnace hearth driving device for steel pipe thermal processing furnace and reheating furnace |
| 09/26/2007 | CN200952028Y 淬火料框结构 Hardening material frame structure |
| 09/26/2007 | CN200952027Y Roller hearth gas electric compound heating continuous annealing furnace |
| 09/26/2007 | CN200952026Y Driving device for quenching machine tool |
| 09/26/2007 | CN101041886A Alloy ball iron guide disc for precision tube grimper |
| 09/26/2007 | CN101041223A Method for preparing novel PS forme base |
| 09/26/2007 | CN101041168A Method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated |
| 09/26/2007 | CN100339606C Method for manufacturing a bearing raceway member |
| 09/26/2007 | CN100339500C Ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained |
| 09/26/2007 | CN100339490C Technical method for die sleeve material of mould-pipe |
| 09/25/2007 | US7273318 Thrust needle roller bearing and method for manufacture thereof |
| 09/20/2007 | WO2007106094A1 Compositions of matter: system ii |
| 09/20/2007 | WO2007105660A1 High-pressure fuel injection tube having connecting head portion and bend portion, and method for producing the same |
| 09/20/2007 | WO2007105410A1 High-strength stainless steel spring and process for manufacturing the same |
| 09/20/2007 | US20070216126 Methods of producing high-strength metal tubular bars possessing improved cold formability |
| 09/20/2007 | CA2643749A1 Compositions of matter: system ii |
| 09/19/2007 | EP1732716B1 Method for producing a metal |
| 09/19/2007 | EP1553197B1 Steel material for mechanical structure excellent in suitability for rolling, quenching crack resistance, and torsional property and drive shaft |
| 09/19/2007 | CN200950000Y Pusher furnace with cooling device |
| 09/19/2007 | CN200949111Y Automatic metal heat treating apparatus |
| 09/19/2007 | CN200949110Y Drum quenching device |
| 09/19/2007 | CN101040057A Methhod and apparatus for limiting the vibration of steel or aluminum strips in a blown-gas or -air cooling zones |
| 09/19/2007 | CN101037773A Decorative product and timepiece |
| 09/19/2007 | CN101037760A High-carbon high-high-vanadium high-speed steel composite roller and heat treatment method thereof |
| 09/19/2007 | CN101037719A Gas integral heat treating method and device for large-scale pressure container |
| 09/19/2007 | CN101036968A Method for producing deep drawing skin-passed hot-dip galvanizing sheet steel |
| 09/19/2007 | CN101036955A Enhanced bearing durability rotating member method and apparatus |
| 09/19/2007 | CN100338373C Sintered chain gear for silent chain and producing method thereof |
| 09/19/2007 | CN100338239C Three-segment opposite-opening type fatigue and high temperature test integrated furnace |
| 09/19/2007 | CN100338238C Processing method for hydrophilizing body surface |
| 09/19/2007 | CN100338237C Martensitic stainless steel and steelmaking process |
| 09/19/2007 | CN100338236C Heating furnace with regenerative burners and method of operating heating furnace |
| 09/19/2007 | CN100338235C Method and device for continuous annealing metallic ribbons with improved process efficiency |
| 09/18/2007 | US7270607 Constant velocity universal joint and method of manufacturing the same |
| 09/18/2007 | US7270504 Cutting tool for metal working as well as method in the production of cutting tools |
| 09/13/2007 | WO2007102533A1 Machine element, constant velocity universal joint and process for manufacturing them |
| 09/13/2007 | WO2007102306A1 Method of high-frequency quenching, high-frequency quenching apparatus, and product of high-frequency quenching |
| 09/13/2007 | WO2007102282A1 Process for producing grain-oriented magnetic steel sheet with excellent magnetic property |
| 09/13/2007 | US20070211972 Ball Element for Two-Part Ball Pivots and Process for Manufacturing Same |
| 09/13/2007 | DE102006018406A1 Heating process for sheet workpieces intended for press hardening involves taking heat from selected sector of workpiece during heating so that heat there is below setting |
| 09/12/2007 | EP1831410A1 Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component consisting of said steel |
| 09/12/2007 | EP1831408A2 Composition and process for enhanced properties of ferrous components |
| 09/12/2007 | EP1636392B1 High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same |
| 09/12/2007 | CN200946161Y Retractable furnace nose device |
| 09/12/2007 | CN200946159Y Energy-saving hydraulic station adapted for stainless steel polishing production line |
| 09/12/2007 | CN200946156Y Fast cooling device |
| 09/12/2007 | CN101035963A Method of manufacturing a tubular member |
| 09/12/2007 | CN101035921A High strength thin steel plate excellent in elongation and bore expanding characteristics and method for production thereof |
| 09/12/2007 | CN101035913A Method and device for quenching flat steel products |
| 09/12/2007 | CN101033554A High-carbon steel pin roll vanadizing composite treatment process |
| 09/12/2007 | CN101033526A Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof |
| 09/12/2007 | CN101033502A Strip steel temperature process transition method |
| 09/12/2007 | CN101033500A Integral heat treatment method for fixed pipe plate-type heat exchanger |
| 09/12/2007 | CN101032795A Technique of aluminum cover without otic placode coil |