| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/05/2008 | CN201144260Y Special quenching machine tool for crankshaft |
| 11/05/2008 | CN201144259Y Water spray device in steel pipe |
| 11/05/2008 | CN101300369A Seamless steel pipe for line pipe and method for producing same |
| 11/05/2008 | CN101298637A Wind power generation rotary bearing dual-track intermediate frequency induction hardening process |
| 11/05/2008 | CN100430513C Metal structure and method for production thereof |
| 11/05/2008 | CN100430511C Cold rolled strip steel for shadow mask and its making process |
| 11/05/2008 | CN100430507C 700MPa grade high ductility low-yield ratio thick steel plate and manufacture method thereof |
| 11/05/2008 | CN100430505C Superhigh-strength cold rolling band steel with anti-tensile strength above 880Mpa and its production |
| 11/05/2008 | CN100430494C Contactless sheet-shaped detecting mehtod during continuous annealing process of band steel |
| 11/04/2008 | US7445852 Magnetic substrate, laminate of magnetic substrate and method for producing thereof |
| 11/04/2008 | CA2438122C Rapid cooling apparatus for steel strip in continuous annealing facility |
| 10/30/2008 | WO2008129173A2 Method and device for the industrial thermal treatment of elongated mechanical parts in a barrel furnace |
| 10/30/2008 | US20080264529 Apparatus and Method for Continuously Processing Long Bar by Heat Treatment Using Induction Heating |
| 10/30/2008 | US20080264528 Rolling, sliding part and process for producing same |
| 10/30/2008 | US20080264527 Integrated metal processing facility |
| 10/30/2008 | US20080264133 Installation for Treating Continuously Cast Bars or Continuously Cast Billets |
| 10/30/2008 | DE202008010550U1 Elektrisch beheizter Retortenofen zur Wärmebehandlung von metallischen Werkstücken Electrically heated retort furnace for the heat treatment of metallic workpieces |
| 10/29/2008 | EP1985919A2 Surface-blasted steam generator parts or power plant components |
| 10/29/2008 | EP1985721A1 High-strength spring steel excellent in brittle fracture resistance and method for producing same |
| 10/29/2008 | EP1985716A2 Apparatus and method for continuously processing long bar by heat treatment using induction heating |
| 10/29/2008 | EP1985390A1 Tools with a thermo-mechanically modified working region and methods of forming such tools |
| 10/29/2008 | EP1984527A2 Method of production of high-strength low-alloyed steel pipes |
| 10/29/2008 | CN201141036Y Pressurization and refrigeration device of sawblade substrate |
| 10/29/2008 | CN101297051A High-strength galvannealed sheet steels excellent in powdering resistance and process for production of the same |
| 10/29/2008 | CN101297048A Process for producing sliding rings and/or mating rings of a sliding-ring seal by means of laser hardening |
| 10/29/2008 | CN101296767A Strand guiding roller |
| 10/29/2008 | CN101294772A Cooled gas duct changing device for vacuum heat treatment furnace |
| 10/29/2008 | CN101294285A Carburizing technique for medium carbon steel cold rolled bearing case loop |
| 10/29/2008 | CN101294241A Suspending type convection current clamp method for bell type annealing furnace |
| 10/29/2008 | CN101294240A Thermal treatment method for mounting frame for air conditioner motor |
| 10/29/2008 | CN101293739A Method for preparing crystallizing glass for bottom roller of annealing oven |
| 10/29/2008 | CN101293320A Thread reeling technique with waste and old reinforcing rod of building |
| 10/29/2008 | CN101293318A Method for manufacturing handle and handle joint with scrap metal |
| 10/29/2008 | CN101293258A Process for manufacturing hot rolled steel strips by continuous casting and rolling middle bar strip |
| 10/29/2008 | CN101293257A Process for manufacturing hot rolled steel strips by using compaction type continuous casting and rolling technique |
| 10/29/2008 | CN100429411C Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 10/28/2008 | US7442906 Induction heating coil for shaft member having multiple steps and heating method |
| 10/23/2008 | WO2008127439A2 Gear material for an enhanced rotorcraft drive system |
| 10/23/2008 | WO2008127084A2 A seamless steel tube for work-over riser and method of manufacturing |
| 10/23/2008 | WO2008126945A1 Hot-dip metal coated high-strength steel sheet for press working excellent in low-temperature toughness and process for production thereof |
| 10/23/2008 | WO2008126911A1 Method of continuous annealing for steel strip with curie point and continuous annealing apparatus therefor |
| 10/23/2008 | WO2008126639A1 Monitor system for high-frequency heat treating facilities of automotive shaft parts |
| 10/23/2008 | US20080257461 Corrosion Resistance Improved Steel Sheet for Autmotive Muffler and Method of Producing the Steel Sheet |
| 10/23/2008 | US20080257460 A nickel-chromium-molybdenum steel or chromium-molybdenum steel; heating, tempering twice; improved uniform heat distribution; screws |
| 10/23/2008 | US20080257459 Iron, carbon, manganese, aluminum, chromium, nickel, molybdenum, titanium, calcium and nitrogen; mixed microcrystalline structure of ferrite, austenite, martensite and bainite; excellent strength, toughness and weldability; particularly suited for deep-sea oil field flow lines; cost and energy efficiency |
| 10/23/2008 | US20080257458 Temperature-controlled oil blasting of a tribologically or corrosively stressed metallic or ceramic material having a crystalline, semi-crystalline or amorphous structure; hardfacing metals; martensitic process; improved durability |
| 10/23/2008 | US20080257456 Improved resistances to deformation, atmospheric corrosion and embrittlement; high strength, good anisotropy and welding capacity; automotive industry; casting a liquid steel into a strip, hot rolling wherein the copper is in a solid solution with the ferrite or austenite matrix; cooling, coiling |
| 10/23/2008 | US20080257008 High Strength Welded Steel Tube Superior in Hydrogen Embrittlement Cracking Resistance of Weld Metal and Method of Production of Same |
| 10/23/2008 | DE102007019171A1 Equipment heat-treating pumped concrete delivery tubes, applies two stages of induction heating with quenching and cooling, to induce internal hardness and external toughness |
| 10/23/2008 | CA2683739A1 Hot dip plated high strength steel sheet for press forming use superior in low temperature toughness and method of production of the same |
| 10/23/2008 | CA2683328A1 Method for producing a crankshaft, in particular for diesel engines |
| 10/23/2008 | CA2682959A1 A seamless steel tube for the application as work-over riser |
| 10/22/2008 | EP1983065A1 Method for manufacturing bottle member for air bag inflator |
| 10/22/2008 | EP1983064A2 Method for producing a crankshaft, in particular for diesel engines |
| 10/22/2008 | EP1983063A2 Method for moulding and hardening a workpiece made from steel in a stamping machine |
| 10/22/2008 | EP1982831A2 Clad textured metal substrate for forming epitaxial thin film thereon and method for manufacturing the same |
| 10/22/2008 | EP1982134A1 Roller hearth furnace for heating and/or temperature equalisation of steel or steel alloy continuous cast products and arrangement thereof before a hot strip final rolling mill |
| 10/22/2008 | EP1527829B1 Cooling device,manufacturing method, and manufacturing line for hot rolled steel band |
| 10/22/2008 | EP1508388B1 Method for cooling steel sheet and method of manufacturing steel sheet |
| 10/22/2008 | CN201136886Y Nonoxidizing heating segment of band steel bright annealing furnace |
| 10/22/2008 | CN201136885Y Furnace door sealing arrangement sealed through double-roller |
| 10/22/2008 | CN201136884Y Furnace door sealing arrangement sealed through single-roller |
| 10/22/2008 | CN201136881Y Quenching and heating furnace |
| 10/22/2008 | CN101292050A Method and installation for the dry transformation of a material structure of semifinished products |
| 10/22/2008 | CN101291759A Strand guide reel |
| 10/22/2008 | CN101290823A Annealing and cooling device for conductive wire |
| 10/22/2008 | CN101289727A Low yield ratio and high tension steel plate with welding heat effect part and mother plate having excellent low temperature toughness |
| 10/22/2008 | CN101288926A Ferritic stainless steel wire rods for welding wire, welding wire and manufacturing method and application thereof |
| 10/22/2008 | CN101288876A Preparation method of high-strength superfine ultra-fine grain copper strip |
| 10/22/2008 | CN100427629C Quenched and tempered steel wire with superior cold forging characteristics |
| 10/22/2008 | CN100427616C Heat treatment method of high speed steel cold rolling roller end |
| 10/22/2008 | CN100427614C Steel sheet for containers, and manufacturing method therefor |
| 10/21/2008 | US7438773 Method of manufacturing a blind threaded insert |
| 10/21/2008 | US7438477 Bearing part, heat treatment method thereof, and rolling bearing |
| 10/21/2008 | CA2436611C High strength hot rolled steel plates having excellent bore expandability and ductility and process for producing the same |
| 10/21/2008 | CA2373064C Process for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 10/16/2008 | WO2008123483A1 Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same |
| 10/16/2008 | WO2008123366A1 High-strength hot rolled steel sheet being free from peeling and excelling in surface and burring properties and process for manufacturing the same |
| 10/16/2008 | WO2008123363A1 Cold-finished seamless steel pipe for integrally molded drive shaft, drive shaft using the pipe, and method for manufacturing the cold-finished seamless steel pipe |
| 10/16/2008 | WO2008123336A1 Ultra-thin cold-rolled steel sheet for building material and process for production of the same |
| 10/16/2008 | WO2008123275A1 Process for manufacturing martensite stainless steel pipe |
| 10/16/2008 | WO2008123267A1 High-strength hot dip zinc plated steel sheet having excellent moldability, and method for production thereof |
| 10/16/2008 | WO2008042982A3 Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom |
| 10/16/2008 | US20080253921 Steel plate; silicon, aluminum, manganese, nickel, chromium, molybdenum, copper, titanium, zirconium, niobium, tantalum,tellurium, calcium, bismuth, lead, iron, vanadium and selenium |
| 10/16/2008 | US20080253920 Method for Making an Abrasion-Resistant Steel Plate and Plate Obtained |
| 10/16/2008 | US20080251229 Strand Guiding Roller |
| 10/16/2008 | DE202008009980U1 Retortenofen zur Wärmebehandlung von metallischen Werkstücken A retort oven for the heat treatment of metallic workpieces |
| 10/16/2008 | CA2679556A1 Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same |
| 10/15/2008 | EP1980638A1 High-strength hot-dip zinced steel sheet excellent in moldability and suitability for plating, high-strength alloyed hot-dip zinced steel sheet, and processes and apparatus for producing these |
| 10/15/2008 | EP1980636A1 Damping alloy sheet and process for producing the same |
| 10/15/2008 | EP1980635A1 Steel sheet with excellent suitability for fine blanking and process for producing the same |
| 10/15/2008 | EP1980630A1 Carburized and high-frequency hardened part having high strength |
| 10/15/2008 | EP1301639B1 Method and apparatus for the direct production of scale-free thin metal strip |
| 10/15/2008 | CN201132844Y Novel base plate for annealing furnace |
| 10/15/2008 | CN201132843Y Nitrogen-hydrogen mixing humidifying groove |
| 10/15/2008 | CN201132842Y Spring slapping equipment for high speed packaging machine |
| 10/15/2008 | CN201132841Y Independent bagged spring hot processor |
| 10/15/2008 | CN101287854A Method of continous annealing/hot-dipping of steel sheet containing silicon and apparatus for continuous annealing/hot-dipping |
| 10/15/2008 | CN101287853A Seamless steel pipe for line pipe and method for producing same |
| 10/15/2008 | CN101287852A Seamless steel pipe for line pipe and method for producing same |