| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 01/08/2008 | US7316656 Elongated intracorporal medical device |
| 01/08/2008 | US7316143 Seamless steel tubes and method for producing the same |
| 01/03/2008 | WO2008001410A2 Induction heating device of elements with complex shapes to provide a constant-depth surface hardening |
| 01/03/2008 | WO2008000945A1 Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere. |
| 01/03/2008 | WO2008000300A1 Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same |
| 01/03/2008 | US20080003534 Heat Treatment Furnace and Heat Treatment Facility Comprising It |
| 01/03/2008 | DE60221655T2 Verfahren zur entfernung von kesselstein für induktionsheizvorrichtung und induktionsheizvorrichtung Process for the removal of scale for induction heating and induction heating |
| 01/03/2008 | CA2655924A1 Device for securing a furnace provided with a rapid cooling and heating system operating under controlled atmosphere |
| 01/02/2008 | EP1873264A1 Method for cooling steel product with water, and steel product produced by using the method |
| 01/02/2008 | EP1563105B1 Method for making an abrasion resistant steel plate and plate obtained |
| 01/02/2008 | CN200999255Y Automobile wheel hub continuous automatic quenching device |
| 01/02/2008 | CN200998739Y Turbulent flow type controlled cooling device for small dimension reinforcing steel |
| 01/02/2008 | CN101098988A Clear-coated stainless steel sheet excelling in design and process for producing the material |
| 01/02/2008 | CN101096786A Saw-tooth wire for producing a saw-tooth all-steel clothing for a roller or a carding element of a spinning room machine |
| 01/02/2008 | CN101096744A High-grade highly carbon-dioxide resistant chloride ion corrosion oil annular tube steel and method for manufacturing the same |
| 01/02/2008 | CN100359039C Metallic diffusion process and improved article produced thereby |
| 01/01/2008 | US7314670 Welded component |
| 12/27/2007 | WO2007092139A3 Integrated reformer and batch annealing processes and apparatus therefor |
| 12/27/2007 | US20070295426 Method For Manufacturing Austenitic Stainless Steel, Solder-Melting Tank, And Automatic Soldering Apparatus |
| 12/27/2007 | DE19946327B4 Verfahren zur Senkung der Kernhärte beim Einsatzhärten nichtrostender martensitischer Stähle mit Stickstoff Methods for reducing core hardness case hardening martensitic stainless steels with nitrogen |
| 12/27/2007 | DE19905518B4 Eine Kombination von Kolbendichtringen zur Verwendung bei Verbrennungskraftmotoren A combination of compression rings for use in internal combustion engines |
| 12/27/2007 | DE102006029252A1 Anlage zur Bearbeitung eines Werkstücks mit UV-, NIR- oder IR-Strahlung Plant for machining a workpiece with UV, NIR or IR radiation |
| 12/26/2007 | EP1457576B9 Press molding and its high frequency quenching method and its high frequency quenching system |
| 12/26/2007 | CN200996035Y Air cooler for bright annealing furnace |
| 12/26/2007 | CN200996034Y Strong-toughened treating arrangement for piston ring |
| 12/26/2007 | CN200996033Y Shield-typed inducter for cold-roller integrated inductive heating layer |
| 12/26/2007 | CN200996032Y Water-quenching back water residual slag valve |
| 12/26/2007 | CN200996031Y Well-typed heat treater |
| 12/26/2007 | CN200996029Y Automatic low, medium and high-temperature cased resistor |
| 12/26/2007 | CN200996028Y Heat-treatment heater of high-caloricity gas surface |
| 12/26/2007 | CN101092677A Precipitation hardening type stainless steel with high density |
| 12/26/2007 | CN101092660A Quick cooling test plant for disk type band steel, and method of use |
| 12/26/2007 | CN101092659A Technique of normalizing heat treatment of number 35 steel |
| 12/26/2007 | CN101092658A Method for prolonging service life of key parts and components of production equipment of chain cage machine - rotary kiln ball lumps |
| 12/26/2007 | CN101092015A Method for manufacturing large size, thin walled cap seal head made from TC4 titanium alloy with high precision |
| 12/26/2007 | CN100357460C Cooling technology for obtaining multi-element tissue martensite steel |
| 12/25/2007 | US7311789 Dual phase steel strip suitable for galvanizing |
| 12/21/2007 | WO2007147156A1 Implant having high fatigue resistance, delivery system, and method of use |
| 12/20/2007 | US20070289715 Methods and apparatus for heat treatment and sand removal for castings |
| 12/20/2007 | US20070289714 Ferrous seal sliding parts and producing method thereof |
| 12/20/2007 | US20070289678 Device for cooling long objects |
| 12/19/2007 | EP1867738A2 Oven assembly and hot forming line |
| 12/19/2007 | EP1428589B1 Method and device for cooling steel sheet |
| 12/19/2007 | CN200992576Y Three-chamber vacumm carbonizing gas/oil quenching multi-purpose furnace |
| 12/19/2007 | CN200992564Y Continuous anhealing furnace atmosphere double-baffle isolating device |
| 12/19/2007 | CN101089229A On-line process method for seam surface in kerf sieve tube processing |
| 12/19/2007 | CN101089202A Longitudinal inductor and scanning quenching technology for stepped axle longitudinal inductor |
| 12/19/2007 | CN101089201A Hardening technology for precipitation hardening stainless steel laser surface |
| 12/19/2007 | CN100355992C Integral casting alloy steel shovel edge plate for loader and its manufacturing process and device |
| 12/19/2007 | CN100355928C Steel parts for machine structure, material therefor, and method for manufacture thereof |
| 12/19/2007 | CN100355524C Workpiece structure modification |
| 12/18/2007 | US7309843 Plasma-assisted joining |
| 12/13/2007 | WO2007140826A1 Process for hardening an annular groove of a piston head by means of laser beams and a piston produced by the process |
| 12/13/2007 | WO2006050814A3 Device for cooling long objects |
| 12/12/2007 | EP1257414B1 Use of a dimensionally stable iron-chrome-aluminum film |
| 12/12/2007 | CN200988853Y Control shape change device for sheet material continuous hot treatment |
| 12/12/2007 | CN200988852Y Rail end quenching medium frequency power heating timing control circuit |
| 12/12/2007 | CN200988851Y Rail thermal processing machine |
| 12/12/2007 | CN200988850Y Horizontal quenching machine tool |
| 12/12/2007 | CN200988849Y Gas burning spheroidization annealing furnace |
| 12/12/2007 | CN200988848Y Metal material end quenching machine |
| 12/12/2007 | CN101086056A Quick annealing method for titanium seamless pipe |
| 12/12/2007 | CN101086053A Nano crystal composite permanent-magnet alloy and its preparation method |
| 12/12/2007 | CN101086031A Single ring heat treatment process |
| 12/12/2007 | CN101086030A Heat insulation device for protecting anchor chain adjacent ring |
| 12/12/2007 | CN101085587A Physical method for drawing pattern on tropism silicon steel surface |
| 12/12/2007 | CN101085586A Chemical method for drawing pattern on tropism silicon steel surface |
| 12/12/2007 | CN100354590C Arrangement and method for heating gas in a gas duct in connection with continuously operated sintering |
| 12/11/2007 | CA2463371C Flattened u-bolt and method for making said u-bolt |
| 12/09/2007 | CA2591244A1 Process for hardening stainless steel and molten salt bath for realizing said process |
| 12/06/2007 | WO2007139158A1 Cooling method of steel pipe |
| 12/06/2007 | US20070282443 Expandable element |
| 12/06/2007 | US20070277912 Arrangement for gas quenching of heat-treated parts and method for carrying out same |
| 12/06/2007 | DE102007006948A1 Production of an annular groove of the base of a steel piston of an internal combustion engine comprises providing the groove with a layer absorbing the energy of laser beams before or during hardening and impinging with laser beams |
| 12/06/2007 | DE102006025737A1 Vorrichtung zur Gasabschreckung von wärmebehandelten Bauteilen und Verfahren zur Durchführung einer Gasabschreckung An apparatus for gas quenching of heat treated components and method for performing a gas quenching |
| 12/05/2007 | EP1543170B1 Rapid cooling method for parts by convective and radiative transfer |
| 12/05/2007 | CN200985341Y Inductor with protective clamp for quenching right-angle rolling way bearing ring |
| 12/05/2007 | CN200985338Y Multifunctional heat treating vacuum furnace |
| 12/05/2007 | CN200985337Y Integral quenching machine tool |
| 12/05/2007 | CN200985336Y Piston rod quenching inductor |
| 12/05/2007 | CN101082110A Long-life alloy die-casting module and manufacturing method thereof |
| 12/05/2007 | CN101082107A Ultra-low carbon cold-rolling deep-punching glassed steel and method of production |
| 12/05/2007 | CN101082101A Chromic-nickel-free high-strength high ductility structural steel and manufacturing method thereof |
| 12/05/2007 | CN101082100A Sheet made of a trip steel |
| 12/05/2007 | CN101082097A High chromium cast iron having excellent fatigue crack resistance and process for producing the same |
| 12/05/2007 | CN101082077A Anneal process and annealing furnace for belt steel continuous zinc coating production |
| 12/05/2007 | CN101082076A Strong magnetic field vacuum annealing method for eliminating bulky Widmansttten structure in hypoeutectoid steel |
| 12/05/2007 | CN101082075A Process and device for coating-free electrical steel annealing and bluing |
| 12/05/2007 | CN101082074A Golf head surface-hardening treatment method |
| 12/05/2007 | CN101081474A Processing technics of red brass tubes |
| 12/05/2007 | CN101081473A Processing technics of red brass tubes |
| 12/05/2007 | CN100352966C Weldable steel building component and method for making same |
| 12/05/2007 | CN100352965C Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength |
| 12/05/2007 | CN100352952C Process for prodn. of grain oriented electrical steel strips |
| 12/05/2007 | CN100352951C Gas quenching method using a recycling facility |
| 12/05/2007 | CN100352574C Method of making a metallic thin wire and a medical tool into which the metallic thin wire is incorporated |
| 12/04/2007 | CA2246879C Plant for the continuous heat treatment of steel strips or the like |
| 11/29/2007 | WO2007135929A1 Rolling bearing |
| 11/29/2007 | WO2007087973A3 Process for the heat treatment of steel strips in a continuous furnace with oxy-fuel burners |
| 11/29/2007 | WO2007081937A3 Liquid slag quick quenching apparatus and method |