| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/22/2004 | US20040012321 Fe-Ni alloy material for shadow mask and method for manufacturing thereof |
| 01/22/2004 | US20040011441 Cold-rolled aluminum killed steel sheet and method of manufacturing packaging from said sheet |
| 01/21/2004 | EP1382705A1 Preparation of pre-coated aluminium alloy articles |
| 01/21/2004 | EP1382702A1 High-strength steel sheet having excellent workability and production process therefor |
| 01/21/2004 | EP1381702A1 Steel article |
| 01/21/2004 | EP1218562B1 Method for heat treatment of metallic slugs |
| 01/21/2004 | CN1469934A Method and device for annealing tubes |
| 01/21/2004 | CN1135270C Continuous heating & cleaning method for metal filament and band products in layered fluidized bed |
| 01/21/2004 | CN1135269C High-strength spring and production mehtod thereof |
| 01/20/2004 | US6679957 Process for thermal treatment of steel strip |
| 01/20/2004 | US6679954 Controlled martensite-austenite surface structure; low cost iron and chromium alloy containing minor amounts of carbon, silicon, manganese, nickel, nitrogen and molybdenum |
| 01/20/2004 | CA2183624C Self-drilling/self-tapping fastener |
| 01/15/2004 | WO2004005873A1 Magnetostrictive torque sensor shaft and method for manufacturin the same |
| 01/15/2004 | US20040009042 Method and apparatus for welding pipes together |
| 01/15/2004 | US20040007801 Method of heat-treating a rack bar and the same |
| 01/15/2004 | US20040007298 High-strength steel sheet having excellent workability and production process therefor |
| 01/15/2004 | US20040006998 Method for cooling a hot-rolled material and corresponding cooling-line models |
| 01/15/2004 | DE10330068A1 Härtungsverfahren und -vorrichtung mit Verwendung von Laserstrahlen Curing method and apparatus with use of laser beams |
| 01/14/2004 | EP1379702A1 Method for making a roll shell of a roll used in the manufacture or further processing of paper and/or board |
| 01/14/2004 | CN1468160A Method and apparatus for welding pipes together |
| 01/14/2004 | CN1467121A Track link production method and track link produced by the same |
| 01/14/2004 | CN1134809C Method for manufacturing nickel-iron type shadow mask, nickel-iron alloy strip, shadow mask plate, shadow mask frame |
| 01/14/2004 | CN1134553C Fe-Ni alloy cathode cover semi-product with good etching perforation property and its preparing method |
| 01/13/2004 | US6677561 Coil for induction heating of a strip or another elongate metal workpiece |
| 01/13/2004 | US6676777 Postweld heat treatment process of carbon steel and low alloy steel |
| 01/13/2004 | US6675869 Cooled to transform strip from austenite to ferrite; roller milling; twin roll caster |
| 01/08/2004 | WO2004003248A1 Process for producing aluminum material for electrolytic capacitor electrode, aluminum material for electrolytic capacitor electrode and electrolytic capacitor |
| 01/08/2004 | WO2004003247A1 Super formable high strength steel sheet and method of manufacturing thereof |
| 01/08/2004 | WO2004002673A1 Seam-welded air hardenable steel tubing |
| 01/08/2004 | US20040005103 Rolling bearing and belt continuously variable transmission |
| 01/08/2004 | US20040004314 High temperature/high pressure vessel |
| 01/08/2004 | US20040003875 Producing low carbon steel strip in a continuous strip caster. |
| 01/08/2004 | US20040003874 A length of an laser beam irradiation shape in the longitudinal direction of the portion to be hardened is longer than a length thereof in a direction perpendicular to the longitudinal direction. |
| 01/08/2004 | DE10227076A1 Verfahren und Anlage zum Erwärmen von Werkstücken vor dem Warmformen Method and apparatus for heating workpieces prior to thermoforming |
| 01/07/2004 | EP1378676A2 Thrust needle roller bearing and method for manufacture thereof |
| 01/07/2004 | EP1378577A1 Process for heat treating cold rolled formable steel strip and steel strip thus obtained |
| 01/07/2004 | CN2597484Y Inductive machine for continuously annealing softening conductor |
| 01/07/2004 | CN1466503A Method of producing steel strip |
| 01/07/2004 | CN1466502A Production of thin steel strip |
| 01/06/2004 | US6673304 Apparatus for heat-treating a V-type cylinder block by induction heating |
| 01/06/2004 | US6673170 Aluminum-killed medium-carbon steel sheet for containers and process for its preparation |
| 01/06/2004 | US6672367 Methods and apparatus for heat treatment and sand removal for castings |
| 01/06/2004 | CA2290690C Rotatable joint for a liquid quenching drum |
| 01/06/2004 | CA2283825C Apparatus and method for cooling hot rolled steel rod |
| 01/02/2004 | EP1377125A1 Heat insulating board of induction heating apparatus |
| 01/02/2004 | EP1375820A1 Steel pipe for use as embedded expanded pipe, and method of embedding oil-well steel pipe |
| 01/02/2004 | EP1375685A1 Rapid cooling device for steel band in continuous annealing equipment |
| 01/02/2004 | EP1375684A2 Process for the manufacture of bearing rings for large rolling bearings |
| 01/02/2004 | EP1375683A1 High strength steel tube for air bag and method for production thereof |
| 01/02/2004 | EP1375682A1 Flanged parts producing method, and heat treating device and heat treating method |
| 01/02/2004 | EP1375680A1 Scale removing method for induction heating apparatus and induction heating apparatus |
| 01/02/2004 | EP1374655A2 A steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property |
| 01/02/2004 | EP1373589A1 Steel and steel tube for high-temperature use |
| 01/02/2004 | EP1373580A2 Modular shaft furnace for reduction smelting |
| 01/01/2004 | US20040000053 Method of making a bearing ring for a large roller bearing |
| 12/31/2003 | WO2004002195A2 Induction heating system having eccentric locator |
| 12/31/2003 | WO2004001084A1 High-strength cold rolled steel sheet and process for producing the same |
| 12/31/2003 | WO2004001082A1 Stainless-steel pipe for oil well and process for producing the same |
| 12/31/2003 | WO2004001081A1 Steel belt comprising martensitic steel and method for manufacturing hoop for continuously variable transmission using said steel belt |
| 12/31/2003 | CN2596113Y Double arc toothed wheel for reducer of oil-field petroleum-pumping machine |
| 12/31/2003 | CN2595819Y Saw blade induction heater |
| 12/31/2003 | CN1464914A Unidirectional silicon steel sheet of ultra low iron loss and method for production thereof |
| 12/31/2003 | CN1464802A Structural body and method for cold rolling |
| 12/31/2003 | CN1463899A High-strength packaging steel band and thermal treatment process thereof |
| 12/31/2003 | CN1132707C Method and device for operating a continuous casting plant |
| 12/30/2003 | US6670048 Sintered sprocket |
| 12/25/2003 | WO2003106728A1 Cold work steel and cold work tool |
| 12/25/2003 | WO2003106727A1 Steel and mould tool for plastic materials made of the steel |
| 12/24/2003 | WO2003106726A1 Steel sheet for vitreous enameling and production method |
| 12/24/2003 | WO2003106721A1 Low-thermal expansion alloy thin sheet and its manufacturing method |
| 12/24/2003 | WO2003106720A1 Low-thermal expansion alloy thin sheet and its manufacturing method |
| 12/24/2003 | CN2594274Y Horizontal continuous annealed devices |
| 12/24/2003 | CN1463301A Electromagnetic sheet having insulating coating and insulating coating |
| 12/24/2003 | CN1463297A Highly stable, steel and steel strips or steel sheets cold-formed, method for prodn. of steel strips and uses of said steel |
| 12/24/2003 | CN1463293A Cooling method for hot-rolled product and corresponding cooling-section model |
| 12/24/2003 | CA2488793A1 Cold work steel and cold work tool |
| 12/23/2003 | US6667105 Aluminum phosphate solution, acid-soluble emulsion type acrylic-styrenic copolymer resin, zinc nitrate, silicon additive, ethylene glycol and a nonionic surfactant |
| 12/23/2003 | US6666931 Rolling part and power transmission part |
| 12/18/2003 | WO2003104501A2 Method and device for patenting steel wires |
| 12/18/2003 | WO2003104500A1 Device for cooling and/or rinsing steel wires and/or tapes |
| 12/18/2003 | WO2003104499A1 Method for producing cold rolled steel plate of super high strength |
| 12/18/2003 | WO2003104498A1 Heating device |
| 12/18/2003 | WO2003104497A1 Method and device for continuous annealing metallic ribbons |
| 12/18/2003 | WO2003078666A3 Method and device for convective heat transfer between a heat transfer medium and the front face of a wound metal strip in the form of a coil |
| 12/18/2003 | WO2003078665A3 Method and device for convective heat transfer between a heat transfer medium and the surface of a workpiece |
| 12/18/2003 | US20030230433 Rock drill product and method |
| 12/18/2003 | US20030230069 Track link production method and track link produced by the same |
| 12/17/2003 | EP1371863A1 High-strength bolt excellent in delayed fracture resistance characteristics and its steel product |
| 12/17/2003 | EP1371738A1 Managing gas streams in a reactive gas section |
| 12/17/2003 | EP1370775A1 Threaded fastener |
| 12/17/2003 | EP1204771B1 Semifinished and finished products made of austenitic special steel and method for the production thereof |
| 12/17/2003 | EP0767718B1 Method and apparatus for joining metal components |
| 12/17/2003 | CN1131116C Method for manufacturing components made of steel |
| 12/16/2003 | US6663730 Maraging steel and process for manufacturing a strip or a part cut out of a strip of cold-rolled maraging steel |
| 12/16/2003 | US6663727 A railway wheel comprising a rim, a hub, and a connecting plate between rim and the hub, the rim is composed of alloy steel containing carbon , silicon, manganese, aluminum, phosphorus, sulfur, nickel, chromium, calcium, nitrogen, iron |
| 12/16/2003 | US6663724 Molten salt composition for use in manufacturing laminated rings |
| 12/16/2003 | US6663501 Macro-fiber process for manufacturing a face for a metal wood golf club |
| 12/11/2003 | US20030228949 Sintered sprocket and manufacturing method |
| 12/11/2003 | US20030226625 Aircraft; corrosion resistance, high strength |
| 12/11/2003 | US20030226622 Manufacturing method of auger |