| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/23/2008 | CN101111619A Steel sheet for flexible can, and its production method |
| 01/23/2008 | CN101111614A Method for the production of a bearing ring for large-size rolling bearings |
| 01/23/2008 | CN101110285A High-conductivity electronic brass plate manufacturing technique |
| 01/23/2008 | CN101109041A Method of heating and controlling cabinet-type electric furnace |
| 01/23/2008 | CN101109040A Automatic sorting system for iron shot hardening temperature |
| 01/23/2008 | CN101109039A Rotation lifting mechanism in steel tube guenching device and steel tube transformation hardening method thereof |
| 01/23/2008 | CN101109038A Thermal treatment technique for improving rigidity of integer manhole flange sealing surface |
| 01/23/2008 | CN101109036A Discharging cooling material frame of thermal treatment |
| 01/23/2008 | CN101109032A Technique of laser hardening ossifying process of vehicle mold |
| 01/23/2008 | CN101109031A Laser alloying strengthening technique for railway runway switch |
| 01/23/2008 | CN101108448A Technique for ensuring axiality of mammoth converter support ring trunnion |
| 01/23/2008 | CN100363523C Ferritic stainless steel sheet excellent in formability and its manufacturing method |
| 01/23/2008 | CN100363522C High tensile strength cold-rolled steel sheet and method for production thereof |
| 01/23/2008 | CN100363513C Heat treatment process for large microalloyed medium carbon steel engine crankshaft |
| 01/23/2008 | CN100363512C Quenching apparatus for hollow structural component and quenching method |
| 01/23/2008 | CN100363511C Manufacturing technology of ultra high strength oil pumping rod |
| 01/23/2008 | CN100363510C Spring heat treatment mechanism of full automatic spring coiling machine |
| 01/22/2008 | US7320178 For ice and beverage dispensers; fluid conveying tubes formed into a coil pack held in place by retaining wires |
| 01/22/2008 | CA2376845C Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
| 01/22/2008 | CA2287048C Sealing apparatus in continuous heat-treatment furnace and sealing method |
| 01/17/2008 | WO2008007785A1 High-strength steel sheets and processes for production of the same |
| 01/17/2008 | WO2008007753A1 Hot-rolled steel sheets excellent both in workability and in strength and toughness after heat treatment and process for production thereof |
| 01/17/2008 | WO2008007737A1 Bend pipe and process for producing the same |
| 01/17/2008 | WO2008007509A1 Process for producing track member, process for producing valve gear, and track member |
| 01/17/2008 | WO2008007477A1 High-strength steel sheet excellent in stretch flangeability and fatigue property |
| 01/17/2008 | WO2008006346A2 Method for production of a sheet metal semi-finished product suitable for press hardening |
| 01/17/2008 | US20080011394 Thermodynamic metal treating apparatus and method |
| 01/17/2008 | US20080011393 Pearlitic steel rail excellent in wear resistance and ductility and method for producing same |
| 01/17/2008 | CA2657587A1 High strength steel plate superior in stretch flange formability and fatigue characteristics |
| 01/17/2008 | CA2657518A1 Hot bend pipe and a process for its manufacture |
| 01/16/2008 | CN201006894Y Low pressure cement carbon hardening furnace firing space |
| 01/16/2008 | CN201006888Y Immersion type steel roll primary heater unit |
| 01/16/2008 | CN201006887Y Step axis parts single-circle semi-ring type intermediate frequency induction apparatus |
| 01/16/2008 | CN201006886Y 水淬喷嘴可调装置 Water quenching adjustable nozzle device |
| 01/16/2008 | CN201006885Y Steel tube water quenching double rows sprayer |
| 01/16/2008 | CN201006884Y Annealing furnace leak-proof heat converter |
| 01/16/2008 | CN101107375A High-strength hot-rolled steel sheet excellent in chemical convertibility |
| 01/16/2008 | CN101107374A Bake-hardening hot-rolled steel sheet with excellent workability and process for producing the same |
| 01/16/2008 | CN101107369A Method for producing hot-formed steel product |
| 01/16/2008 | CN101104922A Complex ion injection bearing vacuum tempering treatment method |
| 01/16/2008 | CN101104237A Method for manufacturing aluminium strip for deep punching |
| 01/16/2008 | CN101104234A Water wheel generating set cast steel part defect repair welding crackle processing method |
| 01/16/2008 | CN101104180A Technology for repairing semi-steel roller with flux-core welding wire built-up welding |
| 01/16/2008 | CN100362249C Power transmission shaft |
| 01/10/2008 | WO2008004684A1 Stainless steel with low chromium content excellent in the corrosion resistance of repeatedly heat-affected zones and process for production thereof |
| 01/10/2008 | WO2008004680A1 High-strength steel pipe with excellent low-temperature toughness for line pipe, high-strength steel plate for line pipe, and processes for producing these |
| 01/10/2008 | WO2008004506A1 Cr-CONTAINING STEEL EXCELLENT IN THERMAL FATIGUE CHARACTERISTICS |
| 01/10/2008 | WO2008004311A1 Process for production of molds and processes for production of molded articles and steel products |
| 01/10/2008 | US20080006351 Boundary layer improvement of plate springs or undulating springs |
| 01/10/2008 | US20080006350 Method and Device for the Deformation of Semi-Finished Material in Wire and Rod Form, Close to the Final Dimensions, as Well as a Flat Profile Produced Accordingly |
| 01/10/2008 | US20080006347 Rolling/sliding part and production method thereof |
| 01/09/2008 | EP1876256A1 Carburized induction-hardened component |
| 01/09/2008 | EP1876254A1 Thick seamless steel pipe for line pipe and method for production thereof |
| 01/09/2008 | CN201003064Y Homogenizing furnace gate sealing system with front wall not installed with cooling system |
| 01/09/2008 | CN201003063Y Enamel wire drawing machine and enamel wire annealing machine connection device |
| 01/09/2008 | CN101103129A Method and arrangement for heating extended steel products |
| 01/09/2008 | CN101103127A Manufacturing method of sliding member |
| 01/09/2008 | CN101101083A Stepwise type distributor |
| 01/09/2008 | CN101100034A Aluminium long single rod hot shearing machine set |
| 01/09/2008 | CN101100031A Heat forming technology for automobile stable bar with complex end |
| 01/09/2008 | CN100361234C Method for increasing the copper to superconductor ratio in a superconductor wire |
| 01/09/2008 | CN100360698C High strength hot rolled steel sheet and method for manufacturing the same |
| 01/09/2008 | CN100360690C Induction heating technique for internal spline of tubular part |
| 01/09/2008 | CN100360249C Short process production technology of ultrathin aluminium foil |
| 01/08/2008 | US7316143 Seamless steel tubes and method for producing the same |
| 01/08/2008 | CA2219916C Preparation of pre-coated aluminum alloy articles |
| 01/03/2008 | WO2008001410A2 Induction heating device of elements with complex shapes to provide a constant-depth surface hardening |
| 01/03/2008 | WO2008000963A1 Continuous thermal treatment installation intended for bright annealing a strip of stainless steel |
| 01/03/2008 | WO2008000945A1 Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere. |
| 01/03/2008 | WO2008000300A1 Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
| 01/03/2008 | WO2007125213A3 Improvement made to the rapid heating sections of continuous heat-treatment lines |
| 01/03/2008 | US20080000559 Method and installation for producing hot-rolled strip from austenitic stainless steels |
| 01/03/2008 | US20080000555 High Strength Thin-Gauge Steel Sheet Excellent in Elongation and Hole Expandability and Method of Production of Same |
| 01/03/2008 | DE60221655T2 Verfahren zur entfernung von kesselstein für induktionsheizvorrichtung und induktionsheizvorrichtung Process for the removal of scale for induction heating and induction heating |
| 01/03/2008 | DE102006030816A1 Verfahren zur Herstellung einer hochfesten Herzstückspitze sowie Herzstückspitze A process for producing a high-strength point of frog and frog point |
| 01/03/2008 | DE102006030815A1 Verfahren zur Herstellung hochfester Zungenvorrichtungen , Zungenschienen und/oder Backenschienen sowie Zungenvorrichtung, Zungenschiene und/oder Backenschiene sowie Schienenauszügen und Isolierstöße Process for the preparation of high-strength points devices, switch rails and / or stock rails and tongue device tongue rail and / or stock rail and rail expansion joints and Insulated |
| 01/03/2008 | CA2655924A1 Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere |
| 01/02/2008 | EP1873263A1 Method for manufacturing a high-strength frog tongue profile and frog tongue profile |
| 01/02/2008 | EP1873262A1 Method for manufacturing high-strength guide devices, guide rails and/or stick rails and guide device, guide rail and/or stick rail |
| 01/02/2008 | EP1872897A2 Composite utility knife blade and method of making such a blade |
| 01/02/2008 | EP1563105B1 Method for making an abrasion resistant steel plate and plate obtained |
| 01/02/2008 | CN200999849Y Large torquemoment vehicle driving bridge main reducing gear gear wheel |
| 01/02/2008 | CN200999257Y Vertically displaceable three-dimensional composite truck |
| 01/02/2008 | CN200999255Y Automobile wheel hub continuous automatic quenching device |
| 01/02/2008 | CN200999254Y Automobile wheel hub continuous heat-treating furnace |
| 01/02/2008 | CN101098988A Clear-coated stainless steel sheet excelling in design and process for producing the material |
| 01/02/2008 | CN101098973A Method for control of cooling of steel plate |
| 01/02/2008 | CN101096174A Automobile stabilizer bar and manufacturing method thereof |
| 01/02/2008 | CN101096034A Production method of ultra-low-carbon steel for sedan car cortical plate |
| 01/02/2008 | CN100359034C 1000Mpa-grade high-strength hot-rolled anti-bullet steel plate and making method |
| 01/02/2008 | CN100358642C Preparation of aluminium alloy part with precoating |
| 12/29/2007 | CA2593106A1 A method and apparatus for remote controlling, monitoring and/or servicing heat-treatment equipment via wireless communications |
| 12/27/2007 | WO2007148414A1 Delivery roll, and hearth roll for continuous annealing furnace |
| 12/27/2007 | WO2007147930A1 Method of treating a crankshaft |
| 12/27/2007 | DE10129565C5 Kühlverfahren für ein warmgewalztes Walzgut und hiermit korrespondierendes Kühlstreckenmodell Cooling method for hot-rolled rolling and hereby corresponding cooling-line model |
| 12/26/2007 | EP1870483A1 Hot-rolled steel sheet, method for production thereof and molded article formed from hot-rolled steel sheet |
| 12/26/2007 | EP1870482A1 High-strength cold-rolled steel sheet excellent in uniform elongation and method for manufacturing same |
| 12/26/2007 | EP1457576B9 Press molding and its high frequency quenching method and its high frequency quenching system |
| 12/26/2007 | EP1158064B1 Large bearing parts made of steel |
| 12/26/2007 | CN200996036Y Hood-type strong convection brightened heat-treatment equipment |