Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
10/2008
10/29/2008CN101297049A Method for producing hot strip with a multiphase structure
10/29/2008CN101297048A Process for producing sliding rings and/or mating rings of a sliding-ring seal by means of laser hardening
10/29/2008CN101294772A Cooled gas duct changing device for vacuum heat treatment furnace
10/29/2008CN101294285A Carburizing technique for medium carbon steel cold rolled bearing case loop
10/29/2008CN101294262A Diphasic stainless steel
10/29/2008CN101294260A High-strength stainless cold-rolled steel strip and method for manufacturing same
10/29/2008CN101294258A Low-chromium high purity ferritic stainless steel and method for manufacturing same
10/29/2008CN101294256A High-wearing GKMCr20 cast iron combination for manufacturing roller sleeve and disk liner, thermal treatment method thereof
10/29/2008CN101294241A Suspending type convection current clamp method for bell type annealing furnace
10/29/2008CN101294240A Thermal treatment method for mounting frame for air conditioner motor
10/29/2008CN101294239A Reutilization method for annealing oven protective atmosphere
10/29/2008CN101294236A Environment friendly energy-saving high-temperature iron scurf furnace
10/29/2008CN101293305A Ultra-low carbon Ni-Cr-Mo5923hMo steel alloy explosion welding high corrosion resistance composite material
10/29/2008CN101293229A Dual-purpose refrigerating device for spraying gas and mist
10/29/2008CN100429411C Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft
10/28/2008US7442906 Induction heating coil for shaft member having multiple steps and heating method
10/23/2008WO2008127439A2 Gear material for an enhanced rotorcraft drive system
10/23/2008WO2008126939A1 Forging steel
10/23/2008WO2008126639A1 Monitor system for high-frequency heat treating facilities of automotive shaft parts
10/23/2008WO2008125700A1 Hardened and tempered steel and method for producing parts of said steel
10/23/2008US20080260565 Process for producing concentric-circular-gradient functional material for biogenic use and apparatus for producing the same
10/23/2008US20080258360 Continuous carburizing furnace
10/23/2008DE102007019172A1 Hardening device for inner surface of conveyor tube has inductor and quench hardening spray held on support unit
10/23/2008CA2683328A1 Method for producing a crankshaft, in particular for diesel engines
10/23/2008CA2667291A1 Forging steel
10/22/2008EP1983064A2 Method for producing a crankshaft, in particular for diesel engines
10/22/2008EP1983063A2 Method for moulding and hardening a workpiece made from steel in a stamping machine
10/22/2008EP1527829B1 Cooling device,manufacturing method, and manufacturing line for hot rolled steel band
10/22/2008EP1508388B1 Method for cooling steel sheet and method of manufacturing steel sheet
10/22/2008CN201138136Y Non-oxidizing heating furnace for glass solution
10/22/2008CN201136886Y Nonoxidizing heating segment of band steel bright annealing furnace
10/22/2008CN201136885Y Furnace door sealing arrangement sealed through double-roller
10/22/2008CN201136884Y Furnace door sealing arrangement sealed through single-roller
10/22/2008CN201136883Y Control device for heat treatment equipment of quenching press machine
10/22/2008CN201136882Y Cooling device for hot quenching oil tank
10/22/2008CN201136881Y Quenching and heating furnace
10/22/2008CN101292050A Method and installation for the dry transformation of a material structure of semifinished products
10/22/2008CN101292049A Method of manufacturing multi phase microstructured steel piece
10/22/2008CN101289730A 13Cr steel for 110ksi high grade steel and high CO2-corrosion resistant tubing and casing, tubing and casing and method for making same
10/22/2008CN101289728A Low-yield ratio, high heat input welding, high-strength and high ductility steel plate and method of manufacture
10/22/2008CN101289701A Annealing furnace inner cover mending machinery and method as the same
10/22/2008CN101289700A Method for preparing thermal and warm punching parts of high strength martensitic matrix
10/22/2008CN100427629C Quenched and tempered steel wire with superior cold forging characteristics
10/22/2008CN100427616C Heat treatment method of high speed steel cold rolling roller end
10/22/2008CN100427614C Steel sheet for containers, and manufacturing method therefor
10/21/2008US7438477 Bearing part, heat treatment method thereof, and rolling bearing
10/21/2008CA2436611C High strength hot rolled steel plates having excellent bore expandability and ductility and process for producing the same
10/21/2008CA2373064C Process for producing welded steel pipes with a high degree of strength, ductility and deformability
10/16/2008WO2008124239A1 Hybrid carburization with intermediate rapid quench
10/16/2008WO2008042982A3 Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom
10/16/2008US20080254336 Composite anode showing low performance loss with time
10/16/2008US20080253925 Alloy of aluminum/ rare earth element or aluminum/nickel/rare earth element of Lanthanum, Cerium, Praseodymium, and/or Neodymium; semiconductors
10/16/2008US20080253921 Steel plate; silicon, aluminum, manganese, nickel, chromium, molybdenum, copper, titanium, zirconium, niobium, tantalum,tellurium, calcium, bismuth, lead, iron, vanadium and selenium
10/16/2008US20080253920 Method for Making an Abrasion-Resistant Steel Plate and Plate Obtained
10/16/2008US20080251345 Integrated lip seal for weld contamination control
10/16/2008US20080251164 Process for joining materials using bulk metallic glasses
10/16/2008US20080251159 Methods for Producing Raw Material Alloy for Rare Earth Magnet, Powder and Sintered Magnet
10/16/2008DE202008009980U1 Retortenofen zur Wärmebehandlung von metallischen Werkstücken A retort oven for the heat treatment of metallic workpieces
10/15/2008EP1980640A2 Surface carburization technique of medical titanium alloy femoral head in total hip arthroplasty
10/15/2008EP1980630A1 Carburized and high-frequency hardened part having high strength
10/15/2008EP1979495A2 Process for the heat treatment of steel strips
10/15/2008EP1301639B1 Method and apparatus for the direct production of scale-free thin metal strip
10/15/2008CN201132844Y Novel base plate for annealing furnace
10/15/2008CN201132843Y Nitrogen-hydrogen mixing humidifying groove
10/15/2008CN201132107Y Nitrogen-hydrogen mixer
10/15/2008CN101287854A Method of continous annealing/hot-dipping of steel sheet containing silicon and apparatus for continuous annealing/hot-dipping
10/15/2008CN101285648A Circular ring -type continuous calcining annealing hearth
10/15/2008CN101285158A Carburized and high-frequency hardened part having high strength
10/15/2008CN101285155A Iron-chromium-cobalt permanent magnetic alloy compounding vanadium and tungsten and deformation processing technology thereof
10/15/2008CN101285154A Iron-chromium-cobalt permanent magnetic alloy compounding vanadium and tungsten and deformation processing technology thereof
10/15/2008CN101285151A Petroleum case pipe with high strength and toughness and producing method thereof
10/15/2008CN101285114A Cooling method of high strength band steel and device
10/15/2008CN101285113A Control method for quenching buckling distortion of elongated metal shear-blade
10/15/2008CN100425736C High carbon chromium bearing parts surface chemical heat-treatment process
10/15/2008CN100425709C Integral quenching type land leveller blade manufacturing method and quenching die
10/15/2008CN100425708C Concrete conveying pipe production process
10/15/2008CN100425707C Method of improving mechanical performance of low carbon steel by tempered fast cooling
10/15/2008CN100425571C Graphite sleeves of rollers at furnace bottom and their dipping process and special apparatus thereof
10/14/2008US7435374 Surface treatment facility of metal plate and method for producing metal plate
10/14/2008US7435008 Vehicle pinion shaft support system
10/14/2008US7434437 Method of making a metallic thin wire for a medical tool
10/09/2008WO2008120622A1 Residual stress improving device of tubular body
10/09/2008WO2008120483A1 Swash plate type piston pump motor and method for manufacturing the same
10/09/2008WO2008083033A3 Method for oxygen free carburization in atmospheric pressure furnaces
10/09/2008US20080247903 Method for Making an Abrasion-Resistant Steel Plate and Plate Obtained
10/09/2008US20080247900 Component for Machine Structure, Method of Producing the Same and Material for Induction Hardening
10/09/2008US20080244892 starter head shaft comprising a starter pinion mounted so as to slide axially on the starter head shaft, between a rear idle position and a front working position
10/09/2008DE102008014241A1 Verfahren zum Herstellen einer Kegelscheibe sowie Kegelscheibe und Kegelscheibenumschlingungsgetriebe A method of manufacturing a cone pulley and belt-driven conical pulley disk and
10/09/2008DE102007015956A1 Simulating quenching of e.g. inductively-heated automobile crankshafts, simplifies open boundary value problem for fluid simulation, into boundary value problem with invariant surfaces
10/09/2008DE102007015314A1 Induktor zum Induktionshärten von metallischen Werkstücken Inductor for induction hardening of metallic workpieces
10/08/2008EP1978112A1 Systems and methods for providing localized heat treatment of gas turbine components
10/08/2008EP1977020A1 Process and apparatus for hardening a workpiece which describes a closed curve
10/08/2008EP1977019A2 Liquid slag quick quenching apparatus and method
10/08/2008EP1584701B1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them
10/08/2008CN201128747Y Novel constant temperature oil bath furnace
10/08/2008CN101283111A Steel material and process for producing the same
10/08/2008CN101280987A Modular double-door deep cooling box
10/08/2008CN101280799A Method for producing high strength nut
10/08/2008CN101280395A High-manganses low-nickel nanometer precipitated phase austenite antibacterial stainless steel
10/08/2008CN101280394A High-silicon low-carbon high-heat resistance hot work die steel