| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 12/18/2012 | CA2687438C Internal high hardness type pearlitic rail with excellent wear resistance, rolling contact fatigue resistance, and delayed fracture property and method for producing same |
| 12/18/2012 | CA2601497C Galvannealed steel sheet and method for producing the same |
| 12/18/2012 | CA2517570C A steel member and a method of hard-facing thereof |
| 12/13/2012 | WO2012169653A1 High-strength hot-dipped galvanized steel sheet having excellent plating adhesion, and method for producing same |
| 12/13/2012 | WO2012169640A1 Hot press molded article, method for producing same, and thin steel sheet for hot press molding |
| 12/13/2012 | WO2012169639A1 Hot press molded article, method for producing same, and thin steel sheet for hot press molding |
| 12/13/2012 | WO2012169638A1 Hot press molded article, method for producing same, and thin steel sheet for hot press molding |
| 12/13/2012 | WO2012168567A1 Cold-rolled steel plate coated with zinc or a zinc alloy, method for manufacturing same, and use of such a steel plate |
| 12/13/2012 | WO2012168564A1 Cold-rolled steel plate coated with zinc or a zinc alloy, method for manufacturing same, and use of such a steel plate |
| 12/13/2012 | WO2012168141A1 Method and device for pretreating a rolled good before hot rolling |
| 12/13/2012 | WO2012167930A1 Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product |
| 12/13/2012 | WO2012167854A1 Steam generator component and method for producing a steam generator component |
| 12/13/2012 | US20120315592 Tiered furnace |
| 12/13/2012 | US20120312783 Method of manufacturing a bearing component |
| 12/13/2012 | US20120312781 Method of laser marking a bearing component with visually undetectable mark; bearing component with such marking; method of authentification such marking |
| 12/13/2012 | DE112010001280T5 Automatisches Wärmebehandlungsverfahren für einen Metallring Automatic heat treatment method for a metal ring |
| 12/13/2012 | DE112009002704T5 Radlagervorrichtung für ein Fahrzeug A wheel bearing apparatus for a vehicle |
| 12/13/2012 | DE10207298B4 Wälzlagerteil und Kraftübertragungsteil Roller bearing part and transmission part |
| 12/13/2012 | DE102011106222A1 Dampferzeugerbauteil sowie Verfahren zur Herstellung eines Dampferzeugerbauteil Steam generator component and method of producing a steam generator component |
| 12/13/2012 | DE102011105752B4 Vorrichtung zum Halten eines Werkstücks während einer induktiven Erwärmung A device for holding a workpiece during an inductive heating |
| 12/13/2012 | CA2836118A1 High strength galvanized steel sheet excellent in terms of coating adhesiveness and method for manufacturing the same |
| 12/12/2012 | EP2533259A1 Amorphous core annealing method |
| 12/12/2012 | EP2532765A1 High-strength welded steel pipe and method for producing the same |
| 12/12/2012 | EP2532764A1 Wire material, steel wire, and processes for production of those products |
| 12/12/2012 | EP2532212A1 A system and method for induction heating a helical rotor using a coil |
| 12/12/2012 | EP2531624A1 Device and method for heat-treating steel wires |
| 12/12/2012 | EP2531309A2 Hot rolling train for rolling hot-rolled strip, method for operating a hot rolling train for rolling hot-rolled strip, and control device |
| 12/12/2012 | CN202595237U Novel electric heating furnace applied to titanium alloy non-oxidation solid solution treatment |
| 12/12/2012 | CN202595225U Cooling system of bell-type bright annealing furnace |
| 12/12/2012 | CN202595224U Metal wire anti-oxidation cooling system |
| 12/12/2012 | CN202595223U Continuous tempering device for SOMA film |
| 12/12/2012 | CN202595222U Galvanized wire horizontal reducing annealing furnace |
| 12/12/2012 | CN202595221U Strip threading tool |
| 12/12/2012 | CN202595220U Atmosphere dew point control device for continuous annealing furnace |
| 12/12/2012 | CN202595219U Movable furnace lug of galvanized wire annealing furnace |
| 12/12/2012 | CN202595218U Quick cooling region of galvanized wire annealing furnace |
| 12/12/2012 | CN202595217U Band steel cooling system |
| 12/12/2012 | CN202595216U Material penetrating rod for gears |
| 12/12/2012 | CN202595215U Bracing bar for surface colouration machining operation for piston ring spiral bracing springs |
| 12/12/2012 | CN202595214U Supporting seat of power transmission mechanism of car-type heat treating furnace |
| 12/12/2012 | CN202595213U Furnace door adjusting mechanism of car-bottom type heat treatment furnace |
| 12/12/2012 | CN202595212U Furnace door frame sealing structure for car type heat treating furnace |
| 12/12/2012 | CN202595211U Furnace door structure for car-type heat treatment furnace |
| 12/12/2012 | CN202595210U Support seat assembly for car-bottom type heat treatment furnace |
| 12/12/2012 | CN202595209U Furnace door sealing structure for trolley type heat treatment furnace |
| 12/12/2012 | CN202595208U Drive sprocket mechanism of car-bottom type heat treatment furnace |
| 12/12/2012 | CN202595207U Heat-treatment quenching clamp |
| 12/12/2012 | CN202595206U Outer c.v. joint continuous normalizing device |
| 12/12/2012 | CN202595205U High-temperature quick normalizing device of external spherical cage |
| 12/12/2012 | CN202595204U Wheel hub annealing device |
| 12/12/2012 | CN202595203U Heat treatment discharge cooling device |
| 12/12/2012 | CN202595202U Low door type front axle forge piece pushing plate for continuous furnace |
| 12/12/2012 | CN202595195U Furnace tension fluctuation control device |
| 12/12/2012 | CN202595194U Horizontal annealing furnace strip threading device |
| 12/12/2012 | CN102822613A Method and device for treatment of continuous or discrete metal products |
| 12/12/2012 | CN102822557A Method for producing spring |
| 12/12/2012 | CN102822377A Heat treatment method and heat treatment apparatus |
| 12/12/2012 | CN102822375A Ultra high strength cold rolled steel sheet and method for producing same |
| 12/12/2012 | CN102822374A High-strength electrical-resistance-welded steel pipe and manufacturing method therefor |
| 12/12/2012 | CN102822373A Ferritic stainless steel sheet superior in surface glossiness and corrosion resistance and method for producing same |
| 12/12/2012 | CN102822371A Steel sheet with high tensile strength and superior ductility and method for producing same |
| 12/12/2012 | CN102822359A Method for producing high-strength steel plate having superior deep drawing characteristics |
| 12/12/2012 | CN102822358A Heat treatment method for long material, manufacturing method for long material, and heat treatment furnace used in above methods |
| 12/12/2012 | CN102817038A Method for production of high-strength threaded steel bar through on-line quenching and tempering, and heating blackening coating processes |
| 12/12/2012 | CN102816974A High-frequency welding H40 steel for casing pipe, method for manufacturing high-frequency welding H40 steel and method for manufacturing casing pipe |
| 12/12/2012 | CN102816971A Ultra high strength anchor pile with impact energy more than 100 J and manufacturing process thereof |
| 12/12/2012 | CN102816919A Carbon sleeve positioning device |
| 12/12/2012 | CN102816918A Technique for preventing steel coils from bonding during annealing process |
| 12/12/2012 | CN102816917A Position determining method for postweld heat treatment temperature equivalent points of inner walls of steel pipes with 9 percent of Cr |
| 12/12/2012 | CN102816916A Process method for producing forged isothermal quenching semi-steel grinding balls |
| 12/12/2012 | CN102816909A Steel plate heat treatment protective agent and heat treatment method |
| 12/12/2012 | CN102816908A Pressing and punching mold for hub reduction gear outer gear ring |
| 12/12/2012 | CN102816902A Smoke evacuation system of horizontal type annealing furnace |
| 12/12/2012 | CN102816901A Rapid quenching and rapid tempering |
| 12/12/2012 | CN102816899A Gradient heat treatment device for rod material |
| 12/12/2012 | CN102814573A Local pressure stress method for improving anti-fatigue performance of mixed-flow runner |
| 12/12/2012 | CN102069345B Method for manufacturing large-specification steel pipe retained mandrel |
| 12/12/2012 | CN101999007B High-strength steel sheets which are extremely excellent in the balance between burring workability and ductility and excellent in fatigue endurance, zinc-coated steel sheets, and processes for production of both |
| 12/12/2012 | CN101993996B System for realizing automatic and continuous cleanness detection of multiple sample points |
| 12/12/2012 | CN101906520B Heat-treatment technology method for lower end socket forge piece of nuclear power reactor pressure vessel |
| 12/12/2012 | CN101208440B Steel wire rod excellent in mechanical de-scaling property, and producing method thereof |
| 12/11/2012 | US8328960 High strength bainitic steel for OCTG applications |
| 12/11/2012 | CA2414138C Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel |
| 12/06/2012 | WO2012165661A1 Process for producing high-strength hot-dip galvanized steel sheet with excellent material-quality stability, processability, and deposit appearance |
| 12/06/2012 | WO2012164056A1 Device for conveying metal strips in a floating manner by means of a gas, and a method for operating such a device |
| 12/06/2012 | WO2012163391A1 Process for manufacturing engine starting motor shafts |
| 12/06/2012 | WO2012163332A1 Method and device for producing oxidized metal strips |
| 12/06/2012 | US20120305143 Components and processes of producing components with regions having different grain structures |
| 12/06/2012 | DE102012010776A1 Oven useful for heating, annealing, tempering or annealing coils, profiles or pipes running through the oven, comprises radiation absorber or several radiation absorbers arranged in a rear of oven or at the beginning of re-cooling device |
| 12/06/2012 | DE102011105752A1 Vorrichtung zum Halten eines Werkstücks während einer induktiven Erwärmung A device for holding a workpiece during an inductive heating |
| 12/06/2012 | DE102010018351B4 Verfahren zur Herstellung eines Wellenseiles A process for producing a shaft rope |
| 12/06/2012 | CA2835809A1 Method for manufacturing high strength glavanized steel sheet having ex cellent stability of mechanical properties, formability, and coating appearance |
| 12/05/2012 | EP2530681A1 Method of heat-treating metal pipes for nuclear power plant, batch-type vacuum heat-treatment furnace used therefor, and metal pipe for nuclear power plant treated using same |
| 12/05/2012 | EP2530180A1 Steel sheet and process for producing steel sheet |
| 12/05/2012 | EP2530179A1 High-strength cold-rolled steel sheet, and process for production thereof |
| 12/05/2012 | EP2530177A1 Steel plate for cold forging and process for producing same |
| 12/05/2012 | EP2530172A1 Production method for seamless steel pipe used in line pipe, and seamless steel pipe used in line pipe |
| 12/05/2012 | EP2529038A2 Process for the heat treatment of metal strip material, and strip material produced in that way |
| 12/05/2012 | EP2528711A1 Punching tool |
| 12/05/2012 | CN202576572U Axle-shaped gear cemented quenching rack |