| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 10/03/2002 | US20020139453 Directing a processing gas adjacent a laser toward the surface of a rotor and rotating at a certain speed and until the entire surface is treated; durability |
| 10/03/2002 | US20020139445 Method of manufacturing laminated ring and molten salt composition for use in such method |
| 10/02/2002 | EP1245684A1 Apparatus for the partial annealing of mechanical workpieces |
| 10/02/2002 | EP1244819A1 Method of quenching alloy sheet to minimize distortion |
| 10/02/2002 | EP1244816A2 Method for controlling and/or regulating the cooling stretch of a hot strip rolling mill for rolling metal strip, and corresponding device |
| 10/02/2002 | EP0904417B1 Method for the manufacturing of cutting tools |
| 10/02/2002 | DE19780253C2 Gußeisen und Kolbenring Cast iron and piston ring |
| 10/02/2002 | CN1372500A Method for producing sintered honeycomb |
| 10/02/2002 | CN1091664C Apparatus and method for making uniformly sized and shaped spheres |
| 10/01/2002 | US6458226 Process for the thermomechanical treatment of steel |
| 10/01/2002 | US6458225 Ultrasonic machining and reconfiguration of braking surfaces |
| 10/01/2002 | US6458220 Case hardened steel blades for sports equipment and method of manufacture |
| 10/01/2002 | CA2268649C Surface densification of machine components made by powder metallurgy |
| 09/26/2002 | WO2002075167A1 Threaded fastener |
| 09/26/2002 | WO2002075000A2 Modular shaft for reduction smelting |
| 09/26/2002 | US20020135109 Modular furnace |
| 09/26/2002 | US20020134473 Strip having no tension is cooled stably with water, runout table arranged between finishing mill and coiler |
| 09/26/2002 | US20020134472 Method for heat-treating profiled rolling stock |
| 09/26/2002 | US20020134469 Process for manufacturing a strip made of an Fe-Ni alloy |
| 09/26/2002 | DE10207298A1 Roller bearing part used in a power transmission part is shaped from steel containing carbon, silicon and manganese |
| 09/26/2002 | DE10113774A1 Process for removing protective or reaction gas from a heat treatment device used for treating metallic materials comprises suctioning off the gas via a suction opening with the aid of a blower |
| 09/26/2002 | DE10113773A1 Process for heat treating, especially carburizing or hardening metallic materials energetically utilizes the gases produced during the heat treatment process |
| 09/26/2002 | DE10112295A1 Herstellung eines Zylindergehäuses eines Doppelschneckenextruders Producing a cylinder housing of a twin-screw extruder |
| 09/25/2002 | EP1243815A2 High strength gear and method of producing the same |
| 09/25/2002 | EP1243664A1 Bar or wire product for use in cold forging and method for producing the same |
| 09/25/2002 | EP1108072B1 Method and installation for producing dual-phase steel |
| 09/25/2002 | CN1370652A Direct flash butt welding connection method between high manganese steel frog or manganese steel rail and common steel rail |
| 09/24/2002 | US6454990 Mechanism for supporting a workpiece during a heat treatment process |
| 09/24/2002 | US6454884 Door intrusion beam; notching, rolling, heat treatment |
| 09/24/2002 | US6454564 Workpiece support trays for furnances |
| 09/19/2002 | WO2002073001A1 Steel pipe for use as embedded expanded pipe, and method of embedding oil-well steel pipe |
| 09/19/2002 | WO2002072893A1 Method for heating slabs and system for carrying out said method |
| 09/19/2002 | WO2002059389A3 Steel and method for producing an intermediate product |
| 09/19/2002 | WO2002059384A3 High-strength isotropic steel, method for making steel plates and resulting plates |
| 09/19/2002 | US20020129901 High-temperature and high-pressure treatment device |
| 09/19/2002 | US20020129873 Ferritic stainless steel which can be used for ferromagnetic parts |
| 09/19/2002 | US20020129675 Torsional damper |
| 09/19/2002 | DE10111304A1 Verfahren zur Herstellung von Rohren für schwere Geschütze A process for the production of tubes for heavy guns |
| 09/18/2002 | EP1241274A1 Heat shielding apparatus for vertical continuous annealing furnace |
| 09/18/2002 | EP1240969A2 Welding processes for iron-base ultra fine grained materials and structural components manufactured by the processes |
| 09/18/2002 | EP1058588B1 Installation for making cold-rolled stainless steel bands |
| 09/18/2002 | CN1370243A Method for manufacture of steel products of precipitation hardened martensitic steel, steel products obtained with such method and use of said steel products |
| 09/18/2002 | CN1369569A Improved method for heating steel strip in vertical frnace |
| 09/18/2002 | CN1091161C Method for mfg. high adherence enamel-coating steel sheet with superior formability |
| 09/17/2002 | US6451137 Surface hardness; high pressure air flow |
| 09/17/2002 | US6451134 590MPa class heavy gauge H-shaped steel having excellent toughness and method of producing the same |
| 09/17/2002 | US6451128 Hot rolling annealing; cold rolling decarbonization; controlling concentration |
| 09/17/2002 | CA2232024C Improved heat treatment of grinding rod |
| 09/12/2002 | WO2002070769A1 Steel article |
| 09/12/2002 | WO2002070768A2 A cast shaped article made from high strenght, precipiation-hardenable stainless steel and a process for making same |
| 09/12/2002 | WO2002070754A2 Production of a cylindrical housing for a double screw extruder |
| 09/12/2002 | US20020126925 Rolling bearing unit with rotation speed detection instrument for use in cars and method for working outer race for use in this bearing unit |
| 09/12/2002 | US20020125621 Heat shielding apparatus for vertical continuous annealing furnace |
| 09/12/2002 | US20020124916 Method and apparatus for reducing wrinkles on a strip in a rapid cooling zone of a heat treatment line |
| 09/12/2002 | US20020124716 Method for producing tubes for heavy guns |
| 09/12/2002 | CA2436423A1 Steel article |
| 09/11/2002 | EP1239257A1 Method for producing gun barrels |
| 09/11/2002 | EP1239053A1 Conveyor roll for transporting metal strip in a continuous annealing line |
| 09/11/2002 | EP1238118A2 Martensitic stainless steel and steelmaking process |
| 09/11/2002 | EP1078106B1 Fluidized-bed treatment process and apparatus |
| 09/10/2002 | CA2193349C Method of increasing the yield strength of cold formed steel sections |
| 09/06/2002 | WO2002068703A1 Hot dip zinc plated steel sheet having high strength and method for producing the same |
| 09/06/2002 | WO2002068138A1 Continuous casting unit with post-arranged furnace, roughing stand and finishing train |
| 09/05/2002 | US20020121021 Bearing parts for cylindrical roller bearing and needle roller bearing |
| 09/04/2002 | EP1236932A1 Disc for toroidal type continuously variable transmission and a method of fabricating the same |
| 09/04/2002 | EP1235940A2 Cold formed flat-rolled steel structural members |
| 09/04/2002 | EP1235682A1 Method for the production of a heat resistant alloy with good high temperature oxidation resistance |
| 09/04/2002 | EP1032716B1 Coil box oven |
| 09/04/2002 | EP0682851B1 Apparatus for and method of induction-hardening machine components |
| 09/04/2002 | CN1367846A High resistance steel band or sheet and method for production theirof |
| 09/04/2002 | CN1367268A Method for preparing iron-nickel alloy strip |
| 09/04/2002 | CN1090242C Orientation silicon-iron sheet with excelent magnetic property and its production method |
| 09/04/2002 | CN1090241C 简易钢包精炼方法 Easy ladle refining method |
| 09/03/2002 | US6444163 Heat shielding apparatus for vertical continuous annealing furnace |
| 09/03/2002 | US6443870 Toroidal-type continuously variable transmission |
| 09/03/2002 | US6443624 Machine tool antifriction bearings; low heat generating, durable assembly; case hardened stainless steel; low osculation ratios between balls and raceways; can withstand applied radial loads and centrifugal forces |
| 09/03/2002 | US6443214 Method for heat treating mold cast product |
| 08/29/2002 | WO2002066697A1 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 08/29/2002 | WO2002036985A3 Induction hardening coil for a crankshaft |
| 08/29/2002 | US20020119862 Variator disc and a method of fabricating the same |
| 08/29/2002 | US20020119858 Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a method for producing the rolling element |
| 08/29/2002 | US20020117538 Process for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 08/29/2002 | US20020117241 Method of manufacturing Fe-Ni alloy material for pressed flat mask |
| 08/29/2002 | DE10107566A1 Verfahren und Vorrichtung zum Kühlen sich überlappender Drahtwindungen auf einem Transportband durch Anblasen mit Kühlluft Method and apparatus for cooling of overlapping wire coils on a conveyor belt by blowing with cooling air |
| 08/29/2002 | CA2438393A1 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 08/28/2002 | EP1234891A1 Process for increasing the static and dynamic resistance of a metal workpiece |
| 08/28/2002 | EP0760397B1 Equipment for manufacturing stainless steel strip |
| 08/28/2002 | CN1366786A Induction heat treatment of complex-shaped workpieces |
| 08/28/2002 | CN1366559A High tensile cold-rolled steel sheet having excellent strain aging hardening properties |
| 08/28/2002 | CN1366555A Method for manufacturing high strength bolt excellent in resistance to delayed fracture and relaxation |
| 08/28/2002 | CN1366084A Process for quenching cutting edge of steel wire cutter |
| 08/27/2002 | US6440236 Martensite phase and the remainder substantially of austenite phase, and has mo-system precipitates and ti-system precipitates distributed in the martensite phase |
| 08/27/2002 | US6440233 Rolling bearing |
| 08/27/2002 | US6439883 Threading and scale removal device |
| 08/27/2002 | US6438836 Method for producing a cam that can be placed on a hollow shaft to form a camshaft |
| 08/27/2002 | CA2108241C Method of and apparatus for continuously casting and rolling down thin slabs |
| 08/22/2002 | WO2002064845A2 Method for producing welded tubing having a uniform microstructure |
| 08/22/2002 | US20020113345 Apparatus for heat-treating a V-type cylinder block by induction heating |
| 08/22/2002 | US20020113041 Method for partly reinforcing a workpiece |
| 08/22/2002 | US20020112795 Heat treated stainless hydraulic components and method for making same |