| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 08/09/2007 | US20070181230 Method for producing mat-surfaced austenitic stainless steel strips |
| 08/09/2007 | DE102006027625B3 Ofenanlage und Warmformlinie Furnace and hot forming line |
| 08/09/2007 | DE102006005063A1 Verfahren zur Wärmebehandlung von Stahlbändern Process for the heat treatment of steel strips |
| 08/08/2007 | EP1816230A2 Ball bearing for pinion shaft |
| 08/08/2007 | EP1816227A1 Steel pipe for air bag inflator and method for production thereof |
| 08/08/2007 | EP1816225A1 Steel pipe having excellent electromagnetic properties and process for producing the same |
| 08/08/2007 | EP1816220A1 Stainless steel sheet for gasket and method for producing same |
| 08/08/2007 | EP1815030A2 High pressure heat treatment system |
| 08/08/2007 | EP1397523B1 Cooling method for a hot-rolled product and a corresponding cooling-section model |
| 08/08/2007 | EP1375680B1 Scale removing method for induction heating apparatus and induction heating apparatus |
| 08/08/2007 | CN2931491Y Crankshaft hanger |
| 08/08/2007 | CN1330787C Shield engine disk type hobbing cutter ring and its production method |
| 08/08/2007 | CN1330786C Strength of extension 780 MPa grade complex phase steel plate and mfg. method thereof |
| 08/08/2007 | CN1330785C Strength of extension 1000 MPa grade complex phase steel plate and mfg. method thereof |
| 08/08/2007 | CN1330779C Heat treating trimming method for large-scale bearing ring |
| 08/08/2007 | CN101014789A Method of manufacturing metal gasket |
| 08/08/2007 | CN101014727A Steel sheet for extreme thin container and method for manufacturing the same |
| 08/08/2007 | CN101013616A Aluminium alloy cable, manufacturing method thereof and overhead transmission cable using same |
| 08/08/2007 | CN101012564A Heat treatment process for decreasing deformation of automobile transmission gear |
| 08/08/2007 | CN101012495A Heat-treatment method for storage tank body of large-scale total pressure type LPG carrying vessel |
| 08/08/2007 | CN101012492A Heat treatment method of perforating head |
| 08/08/2007 | CN101012491A Method for preventing end-face spray quenching cracking of quenching piece by changing spray angle |
| 08/08/2007 | CN101011792A Manufacturing method for annular forging piece |
| 08/08/2007 | CN101011710A Precision cold-drawing method of high precision and high strength 27SiMn seamless steel pipe |
| 08/08/2007 | CN101011706A Method for composite preparation of Ti alloy/TiAl alloy composite plate material by using laminated rolling-diffusion method |
| 08/08/2007 | CN101011705A Method for preparation of Yt-containing TiAl intermetallic compound plate material |
| 08/07/2007 | US7253381 Multi-frequency heat treatment of a workpiece by induction heating |
| 08/07/2007 | US7252798 Hood-type annealing furnace, especially for steel strip and wire bunches |
| 08/07/2007 | US7252722 Steel sheet |
| 08/07/2007 | US7252721 Improvement in the strength and allowing a stable torsion fatigue strength. |
| 08/02/2007 | WO2007086215A1 Constant velocity universal joint having excellent rolling fatigue property, power transmission shaft having excellent torsional fatigue property, and processes for producing them |
| 08/02/2007 | WO2007086158A1 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 |
| 08/02/2007 | US20070175288 Pinion shaft |
| 08/02/2007 | US20070175040 Press-hardened component and method for the production of a press-hardened component |
| 08/01/2007 | EP1813690A1 Local heat treatment for improved fatigue resistance in turbine components |
| 08/01/2007 | EP1813687A1 Method for producing martensitic stainless steel pipe |
| 08/01/2007 | EP1812609A1 Method and device for shaping wire-shaped and rod-shaped starting materials close to the gauge block, and correspondingly produced flat profiled element |
| 08/01/2007 | EP1812608A1 Method and arrangement for heating extended steel products. |
| 08/01/2007 | CN2928867Y Roller bottom type parallel waste heat utilizing continuous annealing furnace |
| 08/01/2007 | CN1329533C Method for producing a metal strip from an iron-nickel alloy for tensioned shadow masks |
| 08/01/2007 | CN101008067A Method for producing cold rolling domestic appliance plate using cover type oven |
| 08/01/2007 | CN101008044A Shield-shape induction device for cold roll integral induction heat and deep quenching |
| 08/01/2007 | CN101007384A Manufacturing method of 17-4PH steel pipe |
| 07/26/2007 | WO2007083808A1 High-strength spring steel excellent in brittle fracture resistance and method for producing same |
| 07/26/2007 | WO2007082957A1 Process and apparatus for hardening a workpiece which describes a closed curve |
| 07/26/2007 | WO2007082786A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 07/26/2007 | US20070172786 Double-chamber type heat-treating furnace |
| 07/26/2007 | US20070169850 Rolling bearing and heat treatment method for steel |
| 07/26/2007 | DE19750607B4 Verfahren zur Wärmebehandlung von chirurgischen Nadeln durch Alterung A method of heat treatment of surgical needles by aging |
| 07/26/2007 | CA2634527A1 Galvanized rolling-hardened cold-rolled flat product and process for producing it |
| 07/25/2007 | EP1811054A1 Pipe for petroleum and gas product pipelines and method for the production thereof |
| 07/25/2007 | EP1811053A1 Grain oriented electromagnetic steel plate and method for producing the same |
| 07/25/2007 | EP1811052A1 Roll/slide member, toroidal continuously variable transmission utilizing the same, and process for producing roll/slide member |
| 07/25/2007 | EP1811048A1 STEEL SHEET HAVING HIGH Al CONTENT AND EXHIBITING EXCELLENT WORKABILITY AND METHOD FOR PRODUCTION THEREOF |
| 07/25/2007 | EP1811047A1 Device for improving residual stress in piping |
| 07/25/2007 | EP1735473B1 Plants for annealing metal straps |
| 07/25/2007 | EP1563110B1 Weldable structural steel component and method for making same |
| 07/25/2007 | EP1466024B1 Method for the production of a siderurgical product made of carbon steel with a high copper content, and siderurgical product obtained according to said method |
| 07/25/2007 | EP1446244B1 Method for making a flattened u-bolt |
| 07/25/2007 | EP1204772B1 Method for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 07/25/2007 | CN2926255Y Cased heat-treatment furnace for long steel plate |
| 07/25/2007 | CN2926254Y Explosion protector for electrical steel horizontal annealing furnace |
| 07/25/2007 | CN2926253Y Supporting fibre roller in furnace for stainless-steel continuous annealing production line |
| 07/25/2007 | CN2926252Y Thermal-insulating casing structure for local metal-member heat treatment |
| 07/25/2007 | CN2926251Y Baseboard structure of assembled bearing heat-treatment furnace |
| 07/25/2007 | CN1328931C Heat insulating board of induction heating apparatus |
| 07/25/2007 | CN101006282A 滚针轴承 Needle roller bearings |
| 07/25/2007 | CN101006189A Method of manufacturing a hardened forged steel component |
| 07/25/2007 | CN101003849A Method for heat treating a serviced turbine part |
| 07/25/2007 | CN101003117A A sort of Fe-Ga magnetostriction alloy wire and preparation method |
| 07/25/2007 | CN101003109A Active mesothermal copper base solder, and preparation method |
| 07/25/2007 | CN101003104A Built up welding technique of restoring roller for shape bar |
| 07/24/2007 | US7247211 Method of manufacture of ultra-low carbon steel |
| 07/24/2007 | US7247099 Screw with a partially hardened functional tip and process for the production thereof |
| 07/19/2007 | WO2007080992A1 Cold-rolled steel sheet and method for manufacture thereof |
| 07/19/2007 | WO2007080810A1 Hot-dip zinc-coated steel sheets and process for production thereof |
| 07/19/2007 | WO2007080256A1 Spring steel, method for producing a spring using said steel and a spring made from such steel |
| 07/19/2007 | WO2007054063A3 Method and device for the continuous creation of a bainite structure in a carbon steel, especially a strip steel |
| 07/19/2007 | US20070163687 Component for machine structural use and method for making the same |
| 07/19/2007 | US20070163683 Method for producing a component by reshaping a plate, and device for carrying out said method |
| 07/19/2007 | US20070163680 Steel for spring being excellent in resistance to setting and fatigue characteristics |
| 07/19/2007 | CA2633153A1 Steel for springs, process of manufacture for spring using this steel, and spring made from such steel |
| 07/18/2007 | EP1808505A1 High strength thin steel plate excellent in elongation and bore expanding characteristics and method for production thereof |
| 07/18/2007 | EP1808501A2 Method and apparatus for cooling a strip |
| 07/18/2007 | EP1808500A1 Gas quenching device for the production of metal threads |
| 07/18/2007 | EP1807543A1 Process for the manufacture of a containment device and a containment device manufactured thereby |
| 07/18/2007 | EP1807542A1 High-strength steel strip or sheet exhibiting twip properties and method for producing said strip by direct strip casting " |
| 07/18/2007 | EP1382717B1 Unidirectional silicon steel sheet excellent in adhesion of insulating coating film imparting tensile force |
| 07/18/2007 | EP1347072B1 Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring |
| 07/18/2007 | EP1125650B1 Continuous production facilities for wire |
| 07/18/2007 | CN2923730Y Cover-type furnace table |
| 07/18/2007 | CN2923729Y Cover-type furnace heating cover |
| 07/18/2007 | CN2923728Y Roller-bottom type U-shape after-heat utilized annealing furnace |
| 07/18/2007 | CN2923726Y Machine tool special cylinder sleeve plasma-beam quench |
| 07/18/2007 | CN2923046Y Nozzle for rod passing-water cooling system |
| 07/18/2007 | CN1327024C Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring |
| 07/18/2007 | CN1327009C Cr-containing heat-resistant steel sheet excellent in workability and method for production thereof |
| 07/18/2007 | CN101001971A Pipe for petroleum and gas product pipelines and method for the production thereof |
| 07/18/2007 | CN101001963A Integrated metal processing facility |
| 07/18/2007 | CN100999982A Connecting hoop presetting sucker rod and mfg. method thereof |