| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/19/2007 | US20070163687 Component for machine structural use and method for making the same |
| 07/19/2007 | US20070163683 Method for producing a component by reshaping a plate, and device for carrying out said method |
| 07/19/2007 | CA2636472A1 Liquid slag quick quenching apparatus and method |
| 07/19/2007 | CA2636287A1 Method and device adjusting targeted combinations of properties of polyphase steel |
| 07/18/2007 | EP1808505A1 High strength thin steel plate excellent in elongation and bore expanding characteristics and method for production thereof |
| 07/18/2007 | EP1808500A1 Gas quenching device for the production of metal threads |
| 07/18/2007 | EP1808499A1 High-frequency heat treatment apparatus, high-frequency heat treatment process, and high-frequency heat treated article |
| 07/18/2007 | CN2923728Y Roller-bottom type U-shape after-heat utilized annealing furnace |
| 07/18/2007 | CN2923727Y Surface non-crystallization treatment device for gear like parts |
| 07/18/2007 | CN2923726Y Machine tool special cylinder sleeve plasma-beam quench |
| 07/18/2007 | CN1327025C Material for sliding parts having self-lubricity and wire material for piston ring |
| 07/18/2007 | CN101001963A Integrated metal processing facility |
| 07/18/2007 | CN100999982A Connecting hoop presetting sucker rod and mfg. method thereof |
| 07/18/2007 | CN100999805A Stainless teel casting material for anti-high temp, sulfide, ammonium salt corrosion and mfg. process thereof |
| 07/18/2007 | CN100999801A Anti-heat wear-resisting lubricating reducing wear alloy casting steel material |
| 07/18/2007 | CN100999779A A356 aluminium alloy hub heat treating tech. |
| 07/18/2007 | CN100999776A Vacuum dual-chamber high temp, quenching furnace |
| 07/18/2007 | CN100999139A Manufacturing method of high speed rolling mould cutter block |
| 07/17/2007 | US7244320 Methods for repairing gas turbine engine components |
| 07/12/2007 | US20070158883 Liquid slag quick quenching apparatus and method |
| 07/12/2007 | US20070157996 Controlling the crystalline structure of continuous and stationary ingots and castings of ferrous and non-ferrous metals using one or several helically traveling magnetic fields excited in the melt by m-phase systems of amplitude-, frequency- and phase-modulated currents |
| 07/12/2007 | US20070157995 Systems and methods of electromagnetic influence on electroconducting continuum |
| 07/11/2007 | EP1806204A1 Apparatus and method for welding superalloys |
| 07/11/2007 | EP1805334A1 Self-annealing enclosure |
| 07/11/2007 | EP1805332A1 Method and device for quenching flat steel products |
| 07/11/2007 | EP1805331A1 Mechanically-stressed actuator or bearing component made from mechanically-hardened steel |
| 07/11/2007 | EP1663550B1 Iron-based sintered alloy and manufacturing method thereof |
| 07/11/2007 | EP1488181B1 Installation for the heat-treatment of parts |
| 07/11/2007 | CN2921034Y Mining speed reducer outputting shaft internal spline medium frequency induction hardening device |
| 07/11/2007 | CN2921033Y Electrode handle for industrial salt bath furnace |
| 07/11/2007 | CN2921032Y Electric heating medium temperature bath furnace hearth waterproof device |
| 07/11/2007 | CN1995433A Tube for crane chord member and its production method |
| 07/11/2007 | CN1994967A Processing method for dipping graphite carbon envelope with oxide solution |
| 07/11/2007 | CN1325690C Selective case hardening processes at low temperature |
| 07/11/2007 | CN1325685C Nano-composite martensitic steels |
| 07/11/2007 | CN1325194C Method for producing ball mill burnisher |
| 07/10/2007 | CA2347601C A fixturing device for holding a workpiece |
| 07/05/2007 | WO2007075138A1 Method for adjusting hardness of a sheet like product. |
| 07/05/2007 | WO2007075108A1 Method for material local heat treatment and a device for carrying out said method (variants) |
| 07/05/2007 | US20070154339 Iron-based sintered alloy and manufacturing method thereof |
| 07/05/2007 | US20070151634 Rolling bearing |
| 07/05/2007 | DE112005002006T5 Induktionshärteverfahren und in einem Induktionshärtevorgang verwendete Vorrichtung Induction hardening process and used in an induction hardening process device |
| 07/05/2007 | DE102005063246A1 Vorrichtung und Verfahren zum Abschrecken von Werkstücken Apparatus and method for quenching workpieces |
| 07/05/2007 | CA2572826A1 Method for heat treating a serviced turbine part |
| 07/04/2007 | EP1803524A1 Laser hardening tool with an optical waveguide having a rectangular cross-sectional shape |
| 07/04/2007 | EP1803483A1 Guide wire |
| 07/04/2007 | CN2918442Y Quenching inductor apparatus for heating and braking shoe plate synchronously |
| 07/04/2007 | CN1990893A Tube mill lining board and manufacturing method thereof |
| 07/04/2007 | CN1990886A Laser hardening tool |
| 07/04/2007 | CN1990885A Method of making a component part of a reclining device |
| 07/04/2007 | CN1324931C Plasma generation and processing with multiple radiation sources |
| 07/04/2007 | CN1324157C High strength Fe-Ni-Co series alloy for shadow mask |
| 07/04/2007 | CN1324114C Plasma-assisted joining |
| 07/03/2007 | US7237963 Rolling part and power transmission part |
| 06/28/2007 | US20070144635 Method for manufacturing articles using a semi-continuous flow of work-pieces through metal working and annealing apparatus |
| 06/28/2007 | US20070143997 Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 06/27/2007 | EP1801244A1 Method of making a component part of a reclining device |
| 06/27/2007 | EP1801243A1 Process for inducing deep compressive stresses in the root portion of turbine blades by controlled cooling |
| 06/27/2007 | EP1801242A2 Device and method for quenching workpieces |
| 06/27/2007 | EP1799871A1 A method of hot stamping and hardening a metal sheet |
| 06/27/2007 | EP1799870A2 Method for extending the life of thin walled tubing and austempered weld stress relieved thin walled tubing |
| 06/27/2007 | EP1682686A4 Dual phase steel strip suitable for galvanizing |
| 06/27/2007 | EP1183399B2 Method of production of rolling bearing steel having a surface with a lower bainitic structure |
| 06/27/2007 | CN2915880Y Energy-saving type continuous annealing oven of strip steel continuous hot galvanizing assembly line |
| 06/27/2007 | CN2915877Y Gas-protective quenching furnace |
| 06/27/2007 | CN1989259A Induction hardening method and tool for hardening |
| 06/27/2007 | CN1986845A Heat treatment process for medium and small cold rolled silicon steel sheet |
| 06/27/2007 | CN1986843A Heat treatment process of sulfur resistant drill pipe joint |
| 06/27/2007 | CN1986842A Heat treatment process for superhigh manganese alloy steel |
| 06/27/2007 | CN1986841A Method of raising corrosion resistance of magnesium alloy based on reiforcing laser impact technology |
| 06/27/2007 | CN1986147A Cold forming process of solid stabilizing rod |
| 06/26/2007 | US7235209 Apparatus for heat treatment of structural body parts in the automobile industry |
| 06/21/2007 | US20070138169 Heat treatment apparatus and heat treatment method |
| 06/20/2007 | EP1798296A1 Substancial use of biogas |
| 06/20/2007 | EP1797210A1 Method of heat treating an aluminium alloy member and apparatus therefor |
| 06/20/2007 | CN2913382Y Forging residual heat annealing process apparatus |
| 06/20/2007 | CN1985018A Quenched formed article having high strength and being excellent in corrosion resistance and method for production thereof |
| 06/20/2007 | CN1985016A High-strength hot-dip galvanized steel sheet and method for producing the same |
| 06/20/2007 | CN1984730A A device and a method for shaping and quenching a beam |
| 06/20/2007 | CN1982493A Drying-chamber grating of ball mill and its production |
| 06/20/2007 | CN1982486A Crawler belt bushing and its manufacturing process |
| 06/20/2007 | CN1982485A Crawler belt bushing and its manufacturing process |
| 06/20/2007 | CN1982484A High-frequency bearing surface quenching method and tool |
| 06/20/2007 | CN1981983A Manufacture method of a latent heat recovery type heat exchanger |
| 06/20/2007 | CN1322148C Quenching for material rack by high pressure gas |
| 06/14/2007 | WO2007066441A1 Method of carbonitriding, process for producing machine part, and machine part |
| 06/14/2007 | US20070131319 Flash tempering process and apparatus |
| 06/14/2007 | US20070130772 Method for producing a three-dimensionally formed armoring component for motor vehicle bodies |
| 06/14/2007 | DE19742739B4 Verfahren und Vorrichtung zur Bearbeitung der Zylinderlaufflächen von Hubkolben-Brennkraftmaschinen Method and apparatus for machining the cylinder running surfaces of reciprocating internal combustion engines |
| 06/13/2007 | EP1795752A1 Hemispherical shoe and method of manufacturing the same |
| 06/13/2007 | EP1795751A1 Sliding surface of sliding member |
| 06/13/2007 | EP1795285A1 Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 06/13/2007 | EP1795047A2 Metal forming apparatus and process with resistance heating |
| 06/13/2007 | EP1352102B1 Metallic diffusion process and improved article produced thereby |
| 06/13/2007 | CN2910964Y Continuous and quick-action annealing apparatus for titanium tube |
| 06/13/2007 | CN2910960Y Material advancing apparatus for high frequency quenching equipment |
| 06/13/2007 | CN2910959Y Soaking high-temp. quenching of automotive knuckle after being forged |
| 06/13/2007 | CN1978707A Method for producing oriented silicon steel with good bottom by low-temperature heating |
| 06/13/2007 | CN1978693A Agitating lorry rolling way and its manufacturing method |
| 06/13/2007 | CN1978692A Antibacterial stainless steel production method based on general 430 ferritic stainless steel |