| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 08/13/2002 | US6432555 Rapid infrared heating of a surface |
| 08/13/2002 | US6432230 Transforming it from an austenitic structure into a different microstructure that is stable at room temperature comprises spray cooling. |
| 08/13/2002 | US6432229 Method for monitoring a work heating temperature in flame hardening a work, said method comprising the steps of: measuring the temperature of a surface of the work heated by flame poured monitoring a work |
| 08/13/2002 | CA2266842C Process for hot rolling stainless steel and surface treatment compositions used therein |
| 08/08/2002 | WO2002061161A1 High strength steel sheet having excellent formability and method for production thereof |
| 08/08/2002 | WO2002061153A1 Method for pre-treating a ring support prior to the «alfin» process |
| 08/08/2002 | WO2002061152A1 Delivery nozzle |
| 08/08/2002 | WO2002060612A1 Device for heat treatment and hydraulic transportation of roll stock |
| 08/08/2002 | WO2002060611A1 Method for altering the profile of a roller strip |
| 08/08/2002 | US20020106602 Cooling system for reducing particles pollution |
| 08/08/2002 | US20020104597 Method and apparatus for producing steel |
| 08/08/2002 | US20020104596 Integrated metal processing facility |
| 08/08/2002 | US20020104592 Such as a steel pipe, for example, casing, tubing, drill pipe; used in oil and gas wells while it is exposed to a sour gas environment. |
| 08/08/2002 | US20020104590 Treatment of ingots or spacer blocks in stacked aluminum ingots |
| 08/08/2002 | US20020104589 Recycling and purifying a quenching gas, such as helium gas, in the presence of a treating gas, such as carburizing gas, for use with an atmospheric furnace for treating components. |
| 08/08/2002 | DE10149221C1 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
| 08/08/2002 | DE10149220C1 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
| 08/08/2002 | DE10106273A1 Verfahren zum Beeinflussen des Profils von Walzband Method for influencing the profile of rolled strip |
| 08/08/2002 | DE10103896A1 Verfahren zur Vorbehandlung eines Ringträgers vor dem Alfinieren A method for pretreating a ring carrier before Alfin |
| 08/07/2002 | EP1229137A1 Installation and process for the transport of metallic workpieces and installation for the heat treatment of metallic workpieces |
| 08/07/2002 | EP1228828A2 Accelerated cooling of sintered metal parts |
| 08/07/2002 | EP1228256A1 Method for improving the mechanical properties, especially the hardness, of journal crosses for use in articulated shafts |
| 08/07/2002 | EP1153146B1 Continuous furnace comprising a device for quenching workpieces and quenching method |
| 08/07/2002 | EP1072169A4 Induction hardening apparatus for a crankshaft |
| 08/07/2002 | CN2504582Y Heat treatment heating furnace |
| 08/07/2002 | CN1088760C Method for manufacturing high magnetic flux density grain oriented electrical steel sheet based on low temperature slab heating method |
| 08/06/2002 | US6428742 Method for heat-treating metallic workpieces |
| 08/06/2002 | US6427782 Noise suppression drilling system |
| 08/06/2002 | US6427470 Cooling system for reducing particles pollution |
| 08/01/2002 | WO2002059389A2 Steel and method for producing an intermediate product |
| 08/01/2002 | US20020100522 Annealing a carbon steel resulting in a microstructure of steel having dispersion of carbides in ferritic matrix; cold rolling annealed steel; cleaning; bridle braking; austenitizing the steel; quenching, isothermal transformation |
| 07/31/2002 | EP1226888A1 Method for producing rack bar |
| 07/31/2002 | CN2503074Y Whole digital controlled intermediate-frequency quenching machine tool |
| 07/31/2002 | CN1088474C Method for producing ultra-high strength, weldable steels with superiortoughness |
| 07/30/2002 | US6425429 Tire having circumferential cables for anchoring the carcass and process of preparing such cables |
| 07/25/2002 | WO2002057501A1 Heating furnace with regenerative burners and method of operating the heating furnace |
| 07/25/2002 | US20020096504 Pre-loading of components during laser peenforming |
| 07/25/2002 | CA2639404A1 Heating furnace with regenerative burners and method of operating the heating furnace |
| 07/24/2002 | EP1225247A2 Carburizing method and carburizing apparatus |
| 07/24/2002 | EP1225239A1 Non-austempered spheroidal graphite cast iron |
| 07/24/2002 | CN2501886Y Vacuum continuous crystallization furnace |
| 07/24/2002 | CN1360640A Low-carbon steels of superior mechanical and corrosion properties |
| 07/24/2002 | CN1088155C Variable displacement compressor, swashplate, and method for hardening swashaplate |
| 07/24/2002 | CN1088113C Improvements made to repid-cooling ovens for metal strip |
| 07/24/2002 | CA2354901A1 Process for manufacturing a fe-ni alloy strip |
| 07/23/2002 | US6423426 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 07/18/2002 | US20020092587 Metallic diffusion process and improved article produced thereby |
| 07/18/2002 | DE10105809C1 Production of a round link chain made from heat-treatable steel, used in drive and conveying elements, comprises forming a chain strand, heat treating while calibrating the chain and post-treating |
| 07/17/2002 | CN2500687Y Workpiece thermal treatment cooler |
| 07/17/2002 | CN1087782C High frequency quanching device non complete gear tooth profile |
| 07/16/2002 | US6419767 Automobile part is subjected to quenching using liquid coolant, the cooling power of cooling medium is maintained within a prescribed range, so that variation in distortion suffered by the part is restricted |
| 07/16/2002 | US6419762 Railroad rail of steel alloy with pearlitic microstructure; long-term serviceability, high ductility and abrasion resistance; vertically suspended position |
| 07/11/2002 | WO2002053997A1 Support for parts to be heat treated in a furnace, and a heat treatment method for metal parts |
| 07/11/2002 | WO2002053787A1 Multi-layer heat treating furnace, heat treating device, and heat treating method |
| 07/11/2002 | US20020091014 Laser surface modified materials and their incorporation into golf clubs |
| 07/11/2002 | US20020088514 Slitting copper-based sheet to produce strips of copper-based material, heating strips in furnace under protective atmosphere at 200-250 degrees C to free strip of stresses, cooling |
| 07/11/2002 | US20020088511 Excellent in hardenability and toughness and formable with a high dimensional precision; tools, springs |
| 07/10/2002 | CN2499405Y Magnetic suction type far infrared heater |
| 07/10/2002 | CN2499404Y Quenching device in continuous isothermal quenching furnace |
| 07/10/2002 | CN1358236A High carbon steel sheet and method for production thereof |
| 07/10/2002 | CN1087359C Steel wire durable coatings, and method for mfg. same |
| 07/10/2002 | CN1087357C Ultra-high strength, weldable, essentially boron-free steels and superior toughness |
| 07/10/2002 | CN1087356C Ultra-high strength, weldable, boron-containing steels with superior toughness |
| 07/10/2002 | CN1087353C Laser induced improvement of surfaces |
| 07/10/2002 | CN1087205C Laser machine and its processing method |
| 07/09/2002 | US6416707 Method and apparatus for producing fine wire |
| 07/04/2002 | US20020084052 Methods and apparatus for heat treatment and sand removal for castings |
| 07/04/2002 | US20020084009 Made of steel and the shell blank is subjected to heat treatments comprising heating for hardening, quenching and tempering treatments. |
| 07/04/2002 | DE10061802A1 Verfharen zum Oberflächenvergüten metallischer Werkstücke durch induktive Wärmebehandlung Verfharen for surface treatment of metal workpieces by inductive heat treatment |
| 07/03/2002 | EP1219863A2 Rolling element for a continuously variable transmission and a method for producing the same |
| 07/03/2002 | EP1218562A1 Method for heat treatment of metallic slugs |
| 07/03/2002 | EP1218560A1 Steel material, its use and its manufacture |
| 07/03/2002 | EP1218552A1 Low-carbon steels of superior mechanical and corrosion properties |
| 07/03/2002 | EP1119733B1 Method and apparatus for uniformly heating a furnace |
| 07/03/2002 | EP1068368B1 Stainless steel |
| 07/03/2002 | EP0695493B1 Induction heating of loaded materials |
| 07/03/2002 | CN1357057A Roling structure steel |
| 07/03/2002 | CN1356917A Method and appts. for contg. and suppressing explosive detonations |
| 07/03/2002 | CN1087038C Cold formed steel |
| 07/03/2002 | CN1087036C Tech for heat treatment and surficial treatment of cylinder sleeve |
| 07/02/2002 | US6412288 Point cooling |
| 06/27/2002 | WO2002050317A1 Production method for steel plate and equipment therefor |
| 06/27/2002 | WO2002050316A1 A method and a device for partial heating of metal sheets |
| 06/27/2002 | WO2002050315A2 Process for the production of grain oriented electrical steel strips |
| 06/26/2002 | CN2496915Y Railway steel rail of surface phase-transformation hardening by laser |
| 06/26/2002 | CN1355855A Powder metallurgy manufactured high speed steel |
| 06/26/2002 | CN1086632C Method for making readjusting casting rolls |
| 06/25/2002 | US6410884 Contour forming of metals by laser peening |
| 06/25/2002 | US6409846 Fixed race of steel comprising carbon, chromium, nitrogen, molybdenum, vanadium, and iron; hydrogen adsorbers; high density passive films |
| 06/25/2002 | US6409163 Fixturing device for holding a workpiece |
| 06/20/2002 | WO2002048411A1 Method for cooling and treating heated, rotationally symmetrical bodies made of metallic materials such as steel |
| 06/20/2002 | US20020074066 After the entire component has been solution annealed and tempered in a high temperature range, the edge layer is solution annealed by the effect of short-time energy impact, then entire component is annealed at lower temp than previous |
| 06/20/2002 | CA2398600A1 Method and apparatus for simplified production of heat treatable aluminum alloy castings with artificial self-aging |
| 06/19/2002 | EP1215941A2 Improving surfaces of metallic work pieces by induction heat treatment and measurement of spatial position |
| 06/19/2002 | EP1215299A2 Phase transformation controlled and nitride precipitation hardened heat treated steel |
| 06/19/2002 | EP1215292A1 High-strength race and method of producing the same |
| 06/19/2002 | EP1215291A1 Method and apparatus for cooling and treating of rotationally symmetric metal bodies, especially steel bodies |
| 06/19/2002 | EP1215290A2 Heat treated stainless steel hydraulic components and method for making same |
| 06/19/2002 | EP1215289A2 Treatment of ingots or spacer blocks in stacked aluminum ingots |
| 06/19/2002 | EP0973952B1 Apparatus and method for cooling hot rolled steel rod |