Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
12/2006
12/06/2006CN2844134Y Automatic medium-frequency quenching producer
12/06/2006CN2844133Y Simple quenching cooling channel
12/06/2006CN2844132Y Outlet pipe windproofing device against freezing for tilting cylindrical resistance rotary furnace
12/06/2006CN1875122A Stainless steel wire, spring, and method for producing spring
12/06/2006CN1874857A Method and device for cooling or quenching slabs and sheets with water in a cooling pond
12/06/2006CN1874622A Gradient induction heating of a workpiece
12/06/2006CN1874033A Metal bipolar plate of containing carbon element surface of fuel cell, and fabricating method
12/06/2006CN1873050A Vacuum tempering method for treating workpieces of ion implanted metal material
12/06/2006CN1873034A Method for controlling furnace temperature of heating furnace for continuous annealing
12/06/2006CN1873033A Process and device for producing of saw-tooth and all-steel card clothing, and saw-toothed wire
12/06/2006CN1288273C High-temp quenching ageing or isothermal quenching technology for gas nitrizing
12/06/2006CN1288270C Cooled and tempered bainite steel part and its mfg. process
12/06/2006CN1287931C Method of producing steel strips
11/2006
11/30/2006WO2006126660A1 Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same
11/30/2006WO2005078143A8 Method for producing a three-dimensionally formed armouring component for vehicle bodies
11/30/2006US20060269777 Diffused silver indium plate for metal seals
11/30/2006US20060266448 Seamless steel pipe for oil wells excellent in sulfide stress cracking resistance and method for producing the same
11/29/2006EP1726665A1 Double-chamber heat treating furnace
11/29/2006EP1725689A2 Forged or stamped average or small size mechanical part
11/29/2006EP1549776B1 Cooling device for steel strip
11/29/2006EP1325166B1 Layered surface coating on a substrate of stainless steel and process of producing it
11/29/2006EP1017862B1 Method for producing ultra-high strength, weldable steels with superior toughness
11/29/2006CN1871369A Expansive seamless steel pipe for use in oil well and method for production thereof
11/29/2006CN1869256A High manganese steel frog heat treating system and heat treating process
11/29/2006CN1869255A Double concave arc cam quenching process
11/29/2006CN1869254A Repairing method for mechanical machine-lathed compression spring
11/29/2006CN1869253A Method of bearing ball annealing and device using the method
11/29/2006CN1868614A Purging system having workpiece movement device
11/29/2006CN1287118C Method for producing screw compressor and its rotor
11/29/2006CN1286992C Process for producing oil tempered wire
11/23/2006WO2006123748A1 Carburized metal material and method for producing same
11/23/2006WO2006123497A1 Sliding member
11/23/2006WO2006122585A1 Quenching fluid
11/23/2006DE102004026263B4 Kurbelwelle Crankshaft
11/22/2006EP1275740B1 Method of operating a heating furnace with regenerative burners
11/22/2006CN2839299Y Moving inductive heating equipment
11/22/2006CN2838798Y Apparatus for preventing barrel workpiece from deforming after ironing
11/22/2006CN1867686A Method for controlling bright annealing furnace
11/22/2006CN1865484A Two-phase stainless steel for urea-producing plant
11/22/2006CN1865482A Dedicated aluminum-containing bainite forged steel for railway frog crossing
11/22/2006CN1865457A Heat treatment method for iron base MgB2 superconductor wire and belt
11/22/2006CN1864918A Technique for processing tapered platinum alloy discharge spout
11/22/2006CN1285748C Low carbon silicon cold rolling phase variable plastic steel and production thereof
11/22/2006CN1285739C Hardfacing alloy. methods and products
11/21/2006US7137741 Rolling bearing
11/21/2006CA2247664C Atmospheric gas generator for heat treatment
11/16/2006WO2006120139A1 Metal quenching composition
11/16/2006WO2006119526A1 Method for the batch heat-treatment of annealing product
11/16/2006US20060254682 Method and plant for cooling a moving metal strip
11/16/2006DE102005021856A1 Induktionserwärmungsanlage Induction heating system
11/16/2006DE102005021496A1 Verfahren zur Herstellung eines magnetisch wirksamen Elements einer elektrischen Maschine und Vorrichtung zur Durchführung des Verfahrens A process for the preparation of a magnetically active element of an electrical machine and apparatus for carrying out the method
11/16/2006DE102005021484A1 Device for heating cylindrical metal workpiece or workpiece section by means of electromagnetic induction useful for joining or releasing a press- or shrinkage joint between inner ring of antifriction bearing
11/15/2006EP1721994A1 Induction heating device for simultaneous heating of multiple workpieces
11/15/2006EP1412542B1 Method for strengthening a steel channel member
11/15/2006CN1863931A Thin-walled part producing method, bearing raceway ring, thrust needle roller bearing, rolling bearing raceway ring producing method, rolling bearing raceway ring, and rolling bearing
11/15/2006CN1861844A Process for increasing bionic non smooth of metallic workpiece surface and preparation apparatus thereof
11/15/2006CN1861825A Structure steel material suitable for fusion reactor
11/15/2006CN1861814A Process controlling quenching cooling speed by regulating pulse itt duty ratio
11/15/2006CN1861813A The processing apparatus using inducting heating of the part in the long bar and a method thereof
11/15/2006CN1861812A Heat treatment method of high speed steel cold rolling roller end
11/15/2006CN1861811A Annealed amorphous alloys for magneto-acoustic markers
11/15/2006CN1861389A High precision composite nickel steel band and its prodn. technique
11/15/2006CN1861388A Method for preparing high-temp. superconductive composite Ni alloy base belt
11/09/2006WO2006118243A1 Carburized induction-hardened component
11/09/2006WO2006118242A1 Steel member and process for heat treatment thereof
11/09/2006US20060249890 Apparatus for cooling wire on a roller conveyor
11/09/2006US20060249367 Plasma catalyst
11/09/2006US20060249232 Coil winding method for metal in bars
11/08/2006CN1858288A Sintered metal material for assembled hollow camshaft and cam and its preparing and treating method
11/08/2006CN1858283A Silicon-vanadium-nitrogen microalloyed medium carbon steel
11/08/2006CN1858269A Annealing treating process for cold rolled steel coil
11/08/2006CN1858268A Quenching process and its quenching device for bearing internal and external rings
11/08/2006CN1283811C Softening annealing heat treating method for 1Cr17Ni2 stainless steel
11/08/2006CN1283810C Heat treatment technoloyical method for forge piece
11/08/2006CN1283414C Production process of composite steel for tools
11/08/2006CN1283396C Billet-watter-cooling method, water cooling trough, and method for reducing defect in chrome-contained steel casting billet
11/07/2006US7132621 Plasma catalyst
11/02/2006WO2006115552A2 Anti-rust treatment using kleintm gas flame
11/02/2006WO2006114446A1 Device and method for the treatment of surfaces of metallic components by means of a laser beam, comprising a translucent deflection unit
11/02/2006WO2006114445A1 Device and method for treating cylindrically shaped surfaces by using a laser beam having an essentially circular cross-section
11/02/2006US20060243357 Method and device for cooling a steel strip
11/02/2006US20060243354 containing a martensite phase as a primary phase and a ferrite phase, or further containing an austenite phase; heat resistance to high temperature; chemical resistant to CO2, chloride ions
11/02/2006US20060243352 Process for producing steel products having improved grain size properties and machinability
11/02/2006EP1718118A1 Method and device for induction heating and hardening apparatus
11/02/2006EP1717330A1 Metal tube for use in carburizing gas atmosphere
11/02/2006EP1717324A1 Stabilizer bar
11/02/2006EP1716267A2 Method for carburizing steel components
11/02/2006EP1594997A4 Eglin steel - a low alloy high strength composition
11/02/2006DE10224129B4 Wärmebehandlungsanlage zum Betreiben einer solchen Anlage Heat treatment plant for operating such a system
11/02/2006DE102005019757A1 Device for laser beam treatment of surfaces of metallic components, e.g. for combustion engine blocks, has light transparent deflection unit with mutually plane-parallel entrance surfaces for laser beam
11/01/2006CN1854316A Heat treatment of steel turbine rotor
11/01/2006CN1282779C Process for quenching treatment of magnetic field of metal card clothing and its treatment apparatus
11/01/2006CN1282753C Equipment and method for induction hardening stepped shaft
10/2006
10/31/2006US7128949 Surface pre-treatment method for pre-coated precipitation-hardenable stainless-steel ferrous-alloy components and components pre-coated thereby
10/31/2006CA2183089C Process for avoiding stickers in the annealing of cold strip under hydrogen-containing atmospheres
10/26/2006WO2006112376A1 Clear-coated stainless steel sheet excelling in design and process for producing the material
10/25/2006EP1715074A1 Fe BASE ALLOY HAVING LAYER AND METHOD FOR PRODUCTION THEREOF
10/25/2006EP1715072A1 Rolling bearing
10/25/2006EP1715066A1 Device for forming and press hardening metal sheet, with integrated heating elements
10/25/2006EP1626822B1 Method and device for cooling or quenching slabs and sheets with water in a cooling pond