| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 08/22/2007 | CN101020211A Side frame stretching formation process |
| 08/21/2007 | US7258755 Prior to introduction of the castings into a heat treatment station, the castings are subjected to heating sufficient to arrest cooling of the castings at or above a process control temperature for the metal |
| 08/21/2007 | CA2214012C Method for making steel wires and shaped wires, and use thereof in flexible ducts |
| 08/16/2007 | WO2007062008A3 Surface treatment of metallic articles in an atmospheric furnace |
| 08/16/2007 | US20070191241 Quenching oil for reduced pressure quenching and method for quenching |
| 08/16/2007 | DE10022884B4 Verfahren zur Bruchtrennung in Bauteilen oder deren Vormaterial Method for fracture separation into components or their precursor material |
| 08/16/2007 | CA2824294A1 Spray quench systems for heat treated metal products |
| 08/15/2007 | EP1817436A1 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom |
| 08/15/2007 | EP1597011A4 A steel member and a method of hard-facing thereof |
| 08/15/2007 | EP1558780B1 Hydrocarbon gas mixture for the under-pressure carburizing of steel |
| 08/15/2007 | CN2934263Y Quenching inductor for single-rim rail wheel |
| 08/15/2007 | CN2934262Y Intermediate frequency quenching inductor for large-scale internal tooth loop |
| 08/15/2007 | CN2934261Y Telescopic rotating centre device |
| 08/15/2007 | CN2934260Y New type lifting mechanism |
| 08/15/2007 | CN2934259Y Step feeding mechanism |
| 08/15/2007 | CN2934258Y Hydraulic support mechanism for quenching slender rod piece |
| 08/15/2007 | CN2934257Y Precise induction heating annealing device for screw-thread element |
| 08/15/2007 | CN2934256Y Inner wall quenching device for thin-walled tubular piece |
| 08/15/2007 | CN2934255Y Upright quenching furnace |
| 08/15/2007 | CN2934254Y Special tool for steel pipe quenching |
| 08/15/2007 | CN2934253Y Magnetic body cooling device for heating coil of quenching machine |
| 08/15/2007 | CN101018627A High-strength part and process for producing the same |
| 08/15/2007 | CN101016951A Manufacturing technique for fitting of high-pressure valve |
| 08/15/2007 | CN101016607A Homogenization heat treatment method of aluminum alloy ingot casting for pop-top can body |
| 08/15/2007 | CN101016603A High-boron cast steel containing granular boride and preparing method thereof |
| 08/15/2007 | CN101016598A Nd-Fe-B alloys |
| 08/14/2007 | US7255829 Method and apparatus for treatment of metallic workpieces |
| 08/14/2007 | US7255828 Electromagnetic method and apparatus for treatment of engineering materials, products, and related processes |
| 08/14/2007 | US7255758 Heat resistance and fatigue strength, and can be produced through a drawing without applying a quenching and tempering process |
| 08/14/2007 | US7254977 Coolant delivery system and continuous fabrication apparatus which includes the system |
| 08/09/2007 | WO2007088825A1 Method of induction hardening |
| 08/09/2007 | WO2007087973A2 Process for the heat treatment of steel strips in a continuous furnace with oxy-fuel burners |
| 08/09/2007 | US20070181234 Spray quench systems for heat treated metal products |
| 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 |
| 08/09/2007 | CA2637847A1 Process for the heat treatment of steel strips |
| 08/08/2007 | EP1816219A1 Process for the heat treatment of metal strips by direct flame impingement |
| 08/08/2007 | EP1816218A1 High-frequency heat treating system, high-frequency heat treating method and processed product produced by the method |
| 08/08/2007 | EP1815030A2 High pressure heat treatment system |
| 08/08/2007 | EP1375680B1 Scale removing method for induction heating apparatus and induction heating apparatus |
| 08/08/2007 | CN1330785C Strength of extension 1000 MPa grade complex phase steel plate and mfg. method thereof |
| 08/08/2007 | CN1330782C Method for preparing micro-grain aluminium bronze alloy |
| 08/08/2007 | CN1330778C Hot gas quenching devices, and hot gas heat treating system |
| 08/08/2007 | CN101014768A Sliding surface of sliding member |
| 08/08/2007 | CN101012564A Heat treatment process for decreasing deformation of automobile transmission gear |
| 08/08/2007 | CN101012531A Fe-based bulk amorphous alloy and method for preparing same |
| 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 | CN101012490A New pattern laser-impact treatment absorption protective film |
| 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 | CA2164020C Treatment of furnace tubes |
| 08/02/2007 | US20070175549 Cooling method and manufacturing method of metal part and cooling apparatus for metal part |
| 08/02/2007 | US20070175548 Method and installation for the production of hot-rolled strip having a dual-phase structure |
| 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 | EP1812608A1 Method and arrangement for heating extended steel products. |
| 08/01/2007 | EP1812195A2 Active beam delivery system for laser peening and laser peening method |
| 08/01/2007 | EP1563109B1 Weldable structural steel component and method for making same |
| 08/01/2007 | EP1294528A4 Method of brazing and article made therefrom |
| 08/01/2007 | CN2928867Y Roller bottom type parallel waste heat utilizing continuous annealing furnace |
| 08/01/2007 | CN2928866Y Quick cooling device for aluminum profiles |
| 08/01/2007 | CN1329531C Air current baking system and method of large size vacuum vessel |
| 08/01/2007 | CN101008067A Method for producing cold rolling domestic appliance plate using cover type oven |
| 08/01/2007 | CN101008066A Hot rolling martensite steel plate with tensile strength higher than 1000Mpa and its production method |
| 08/01/2007 | CN101008044A Shield-shape induction device for cold roll integral induction heat and deep quenching |
| 08/01/2007 | CN101007387A Compound plastic forming method of casting aluminum alloy parts |
| 07/31/2007 | US7250133 Device for use when hardening |
| 07/31/2007 | CA2405278C Hot-working steel article |
| 07/26/2007 | WO2007084089A2 Method for delaying of cooling and hardening of desired zones of a sheet during a hot metal stamping process |
| 07/26/2007 | WO2007082957A1 Process and apparatus for hardening a workpiece which describes a closed curve |
| 07/26/2007 | US20070172786 Double-chamber type heat-treating furnace |
| 07/26/2007 | US20070171572 Side reading reduced GMR for high track density |
| 07/26/2007 | US20070171571 Side reading reduced GMR for high track density |
| 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 | DE102005023952B9 Sicherheitspanzerung zum Schutz gegen Beschuss sowie Verfahren zu ihrer Herstellung Safety armor for protection against fire and processes for their preparation |
| 07/25/2007 | EP1811047A1 Device for improving residual stress in piping |
| 07/25/2007 | EP1809776A1 Method for production of sheet components and chassis components |
| 07/25/2007 | EP1809775A2 Device for cooling long objects |
| 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 | 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 | 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 | CN101006273A Hemispherical shoe and method of manufacturing the same |
| 07/25/2007 | CN101006189A Method of manufacturing a hardened forged steel component |
| 07/25/2007 | CN101003876A Method for improving wearability of wearable high manganese steel by using asymmetrical rolling |
| 07/25/2007 | CN101003848A Antioxidation coating material of Nano silicate in use for annealing billet in series |
| 07/25/2007 | CN101003847A Laser surface intensified technique for roller of rolling section bar |
| 07/24/2007 | US7247099 Screw with a partially hardened functional tip and process for the production thereof |
| 07/19/2007 | WO2007081937A2 Liquid slag quick quenching apparatus and method |
| 07/19/2007 | WO2007079876A1 Method and device adjusting targeted combinations of properties of polyphase 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 | US20070164680 Plasma generation and processing with multiple radiation sources |