| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/05/2001 | WO2000037880A9 Method and apparatus for containing and suppressing explosive detonations |
| 07/05/2001 | DE10005969C1 Machine for directing and hardening a corrugated longitudinal workpiece comprises a chamber surrounding the receiving device and the lower rollers so that cold gas can be introduced via nozzles |
| 07/05/2001 | DE10002933C1 Iron-chromium-aluminum foil production, used e.g. as support material for exhaust gas treatment catalysts, comprises coating one or both sides of supporting strip with aluminum or aluminum alloys, and carrying out homogenizing treatment |
| 07/04/2001 | EP1113085A1 Method of production of cold-rolled metal coated steel products, and the product obtained, having a low yield ratio |
| 07/04/2001 | CN1301872A High frequency quanching device for non complete gear tooth profile |
| 07/04/2001 | CN1068072C Process for producing ferritic stainless steel having improved corrosion resistance |
| 07/03/2001 | US6254698 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof |
| 07/03/2001 | US6254697 Which contains c, si, mn, ni, cr, mo, v, w, nb and/or ta, b, ti, al, n, o, p and s in predetermined proportions, the balance being fe, improved impact resistance (weldability) and toughness while maintaining its creep rupture strength |
| 07/03/2001 | US6254695 Ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system can be manufactured at higher annealing speeds, iron, cobalt and nickel |
| 07/03/2001 | US6253830 Apparatus and method for sand core debonding and heat treating metal castings |
| 06/28/2001 | DE19962891A1 Verfahren und Vorrichtung zum Abkühlen von warmgewalzten Profilen Method and apparatus for cooling of hot-rolled profiles |
| 06/28/2001 | DE19962801A1 Verfahren zum Wärmebehandeln von Draht A method of heat treatment of wire |
| 06/27/2001 | EP1111075A1 Wire heat treating process |
| 06/27/2001 | EP1111074A2 Method and device for cooling hot-rolled profiles |
| 06/27/2001 | EP1109941A1 Method for annealing an amorphous alloy and method for manufacturing a marker |
| 06/27/2001 | CN1301335A Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids |
| 06/27/2001 | CN1300859A Method and apparatus for reducing folds of bands in quick cooling area of heat treatment production line |
| 06/27/2001 | CN1300648A Method for heat treatment of wires |
| 06/26/2001 | US6251198 Micro-laminate microstructure comprising austenite film layers and fine-grained marten site/lower bainite laths |
| 06/26/2001 | US6250370 Method for water-cooling hot metal slabs |
| 06/21/2001 | US20010004631 Working fluid, working process using the working fluid, and method of production of the working fluid |
| 06/21/2001 | DE19948843A1 Determining the partially liquid joint condition during inductive heating of workpieces comprises monitoring process parameters of the heating stage with respect to predetermined reference parameters |
| 06/21/2001 | DE10045039A1 Toroidal form stepless transmission for motor vehicles has at least one input disc, output disc and power roller made of medium carbon steel having specified carbon content |
| 06/20/2001 | EP1108795A1 Process and device for preventing buckling of strip in a fast cooling zone of a heat treatment line |
| 06/20/2001 | EP1108793A1 Quenching heated metallic objects |
| 06/20/2001 | EP1108072A1 Method and installation for producing dual-phase steel |
| 06/20/2001 | CN1300437A Amorphous alloy with increased operating induction |
| 06/19/2001 | US6248287 Corrective tempering apparatus for rolling elements |
| 06/19/2001 | US6248191 Heating and reducing a steel slab by hot rolling to form a plate, further reducing the plate by hot rolling, and then cooling and quenching plate, allowing plate to air cool to fascilitate fine-grain lower bainite or martensite formation |
| 06/19/2001 | US6248187 Comprising carbon, silicon, manganese, chromium, phosphorus, sulfur, aluminum, nitrogen, and iron and having a martinistic structure; excellent in strength and low temperature toughness |
| 06/19/2001 | US6248186 Ball-and-roller bearing and method of manufacturing the same |
| 06/14/2001 | WO2000037880A3 Method and apparatus for containing and suppressing explosive detonations |
| 06/13/2001 | EP1105543A1 Method for producing a cam that can be placed on a hollow shaft to form a camshaft |
| 06/13/2001 | EP0707089B1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same |
| 06/13/2001 | EP0707088B1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same |
| 06/13/2001 | DE19959688A1 Process for heating molded blanks made of metallic materials for rolling and deforming processes comprises using electrical and/or magnetic fields and/or electrical resistance heating in an atmosphere |
| 06/13/2001 | DE19959608A1 Device for laser treatment of cylindrical inner surfaces for alloying-in and/or smoothing of coatings, especially of running surfaces in cylinders of IC engines has radiator unit |
| 06/13/2001 | CN1298957A Low-vacuum heat treating method with less or no oxidization and its apparatus |
| 06/13/2001 | CN1067111C Method for cooling steel sections which are hot from rolling |
| 06/07/2001 | WO2001040694A2 Pressurized fluid pipe |
| 06/07/2001 | US20010002744 Combination of piston ring for use in internal combustion engine |
| 06/06/2001 | CN2433261Y Cylinder surface net lines quenching press |
| 06/06/2001 | CN1298456A Method for carburizing or carbonitriding metal parts |
| 06/06/2001 | CN1066904C Induction hardening machine for quenching to gear surface |
| 06/06/2001 | CN1066777C Continuously annealed soft temper black steelplate for drawn and deep-draw container and its producing process |
| 06/06/2001 | CN1066776C Process for hot treatment metal |
| 05/31/2001 | WO2001038760A1 Pistons for internal combustion engines |
| 05/31/2001 | WO2000071759A3 Methods of forming steel |
| 05/31/2001 | DE19963973C1 Production of bainite from steel parts comprises austenizing the parts, quenching to a starting temperature, isothermally storing the steel parts at the starting temperature and isothermally storing the parts at a finishing temperature |
| 05/31/2001 | DE19956425A1 Piston for IC engines uses Laser beams to roughen bearings for gudgeon pin or crankshaft at points of max.load |
| 05/30/2001 | EP1102666A1 Point cooling |
| 05/30/2001 | CN1297061A Laser technology for treating surface of cold hard roller, nodular iron casting or gray casting |
| 05/30/2001 | CN1066491C PC concrete iron and method for producing same |
| 05/30/2001 | CN1066489C Method of increasing yield strength of cold formed steel sections |
| 05/29/2001 | US6239082 Petroleum quench oil |
| 05/29/2001 | US6238493 Controlled rolling and accelerated cooling with the controlled alloy chemistry to yield steel plate having high yield strength, tensile strength, and toughness; construction materials |
| 05/29/2001 | US6238210 Furnaces for reheating siderurgical products |
| 05/29/2001 | CA2225752C Method and plant for the manufacture of a strip of formable steel |
| 05/25/2001 | WO2001036692A1 Method for ultrasonic shot blasting of large-dimensioned annular surfaces on thin parts workpieces |
| 05/24/2001 | US20010001465 Induction heating coil and induction heating device using the induction heating coil |
| 05/23/2001 | EP1101828A1 High-strength bainitic steel rails with excellent rolling-contact fatigue resistance |
| 05/23/2001 | EP1101827A1 Process for ultrasonic shotpeening large annular surfaces of thinwalled workpieces |
| 05/23/2001 | EP1101826A1 Quenching process after low pressure carburising |
| 05/23/2001 | EP1009580B1 Method and device for treating the surfaces of component bores |
| 05/23/2001 | EP0942792B1 Device for cooling extruded profiles |
| 05/23/2001 | DE19955670A1 Crankshaft or camshaft surfaces are induction hardened using adjacent inductors operated at different frequencies |
| 05/23/2001 | DE19943354C1 Heat treating homogenized cooled cast light metal slugs or rod, comprises reheating, and subjecting to passive temperature compensation to lead to specified temperature uniformity |
| 05/23/2001 | CN1066076C Device for presurised water discharge pipe |
| 05/22/2001 | US6235237 Chromium steel alloy having high glidability and wear resistance, overall stability and corrosion resistance, good damping properties |
| 05/22/2001 | US6235131 System for heat treating coiled springs |
| 05/17/2001 | WO2001035701A1 High efficiency induction melting system |
| 05/17/2001 | WO2001034853A1 A process for the continuous direct resistance heating of metallic semifinished products |
| 05/17/2001 | WO2001034851A1 Method for improving the mechanical properties, especially the hardness, of journal crosses for use in articulated shafts |
| 05/17/2001 | DE10041453A1 Iron- based alloy used in the production of voltage masks for color picture screens contains alloying additions of nickel, manganese, boron, silicon and aluminum |
| 05/16/2001 | EP1099768A1 Process for the production of as-cast bainitic cast iron with spheroidal graphite |
| 05/16/2001 | EP1099086A1 Device for loading parts to be heat treated |
| 05/16/2001 | CN1295626A Stainless steel |
| 05/16/2001 | CN1295625A Cold work steel |
| 05/16/2001 | CN1294947A Apparatus and method for inhibiting growth of oxidation film on coiled stock |
| 05/15/2001 | CA2054036C Development process of a thermal treatment atmosphere and thermal treat ment plant |
| 05/10/2001 | WO2001032942A1 Heat treat fixture apparatus and method of heat treat hardening thin metal work pieces |
| 05/10/2001 | US20010000931 Heat treat fixture apparatus and method of heat treat hardening thin metal work pieces |
| 05/10/2001 | DE19954178C1 Verfahren zur Verbesserung der mechanischen Eigenschaften, insbesondere der Härte, von Zapfenkreuzen für den Einsatz in Gelenkwellen Process for improving the mechanical properties, especially hardness, of journal crosses for use in universal joint shafts |
| 05/10/2001 | DE19951698A1 High rigidity coil spring manufacturing process, involving cold winding rod into spring and austenizing spring by induction heating |
| 05/10/2001 | DE10033493A1 Apparatus for the heat treatment of automobile shock absorbers allowing improved product quality and increased production line productivity |
| 05/09/2001 | EP1097248A1 Case hardened steel with high tempering temperature, method for obtaining same and parts formed with said steel |
| 05/09/2001 | CN1294636A Steel material and method for its mfg. |
| 05/08/2001 | USRE37167 Fatigue resistant drill pipe |
| 05/08/2001 | US6229126 Induction heating system with a flexible coil |
| 05/08/2001 | US6228321 Box annealing furnace method for annealing metal sheet using the same and annealed metal sheet |
| 05/08/2001 | US6228188 Heat treatment of a steel wire |
| 05/08/2001 | US6228187 Introducing cryogen from cryogen source into chamber in order to permit volumetric expansion of cryogen into gaseous form to purge chamber, heating, adjusting cryogen and heat supply to control temperature and gas concentration |
| 05/08/2001 | US6228183 Ultra-high strength low alloy steel with high toughness produced without the need for the costly step of final tempering |
| 05/03/2001 | DE19949406A1 Stoßofen Pusher furnace |
| 05/03/2001 | DE10030433A1 Production of wear-resistant edge layers on workpieces comprises subjecting component which has been solution annealed and heat treated conventionally to renewed short term solution annealing of edge layer and further heat treating |
| 05/02/2001 | EP1096031A2 High-strength spring steel |
| 05/02/2001 | EP1096029A1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 05/02/2001 | EP1095723A2 Machine for working with laser on more spots at the same time |
| 05/02/2001 | EP1095170A1 Low temperature case hardening processes |
| 05/02/2001 | EP1095166A1 Apparatus and process for treating a particulate material within a rotating retort |