| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
|---|
| 01/07/2009 | CN101338358A Method for increasing surface hardness of martensitic stainless steel |
| 01/07/2009 | CN101338357A Hydraulic multicylinder high precision synchronous control system for implementing roller quenching machine |
| 01/07/2009 | CN101338356A Heat treating furnace using porous medium combustor |
| 01/07/2009 | CN100449026C Steel wire for spring |
| 01/07/2009 | CN100449008C Saw blade quenching machine |
| 01/07/2009 | CN100449007C Roller table roll, particularly for conveying furnace-heated metallic strip material |
| 01/06/2009 | US7473328 Composite alloy having a three-dimensional periodic hierarchical structure and method of producing the same |
| 01/06/2009 | CA2290949C Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace |
| 01/02/2009 | DE102007029038A1 Vakuumofen zur Wärmebehandlung von metallischen Werkstücken und Verfahren zu dessen Betrieb Vacuum furnace for the heat treatment of metallic workpieces and method for its operation |
| 01/01/2009 | US20090000710 Quenching process utilizing compressed air |
| 01/01/2009 | US20090000708 Method for manufacture of complex heat treated tubular structure |
| 12/31/2008 | WO2009000751A1 Method for the heat treatment of castings using an air quench and system for implementing the method |
| 12/31/2008 | WO2009000698A1 Injection valve, method for its production and device for carrying out the method |
| 12/31/2008 | EP1951519A4 High strength dual phase steel with low yield ratio, high toughness and superior weldability |
| 12/31/2008 | EP1711639B1 Method for producing a three-dimensionally formed armouring component for vehicle bodies |
| 12/31/2008 | EP1529852B1 Material for sliding parts having self-lubricity and wire material for piston ring |
| 12/31/2008 | CN201172674Y Inner water-spraying device for cooling steel tube |
| 12/31/2008 | CN201172671Y Horizontal type numerical control quenching machine tool |
| 12/31/2008 | CN201172670Y Multi-station backfire induction heating apparatus |
| 12/31/2008 | CN201172669Y Induction apparatus with magnetic conductor for intermediate-frequency quenching |
| 12/31/2008 | CN201172668Y Key groove long and thin shaft quenching induction apparatus |
| 12/31/2008 | CN101333630A Wire-winding screw and method for preparing same |
| 12/31/2008 | CN101333625A High temperature resistant and abrasion resistant martensitic stainless steel and preparation method |
| 12/31/2008 | CN101333624A Anti-H2S stress corrosion high pressure resistant forgings and method for manufacturing same |
| 12/31/2008 | CN101333620A High grade non- oriented silicon steel and method for manufacturing same |
| 12/31/2008 | CN101333619A Technological process for controlling secondary recrystallization crystal particle dimension of oriented silicon steel |
| 12/31/2008 | CN101333596A Furnace construction of fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 12/31/2008 | CN101333595A Mounting structure of combustor of fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 12/31/2008 | CN101333594A Cooling device of fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 12/31/2008 | CN101333593A Low level sand returning machine in fluidized bed furnace for quenching steel wire of steel wire tire cord |
| 12/31/2008 | CN101333592A Pre-pumped vacuum quenching in sealed box resistance furnace |
| 12/31/2008 | CN101333591A Pushing-bar type continuous vacuum tempering and annealing multi-purpose furnace |
| 12/31/2008 | CN101333590A External heating type vacuum inductive heating carburizing furnace |
| 12/31/2008 | CN101333589A Method for nonoxidizing heating thin steel plate and special heating furnace |
| 12/31/2008 | CN101333588A Circular double-blower-fan high-flow-rate heat exchanger |
| 12/31/2008 | CN101333587A Cooling device for quenching oil of vacuum oil quenching furnace |
| 12/31/2008 | CN101333586A Vacuum inductive heating high-pressure gas quenching furnace |
| 12/31/2008 | CN101333585A Solar oil-heating tempering furnace |
| 12/31/2008 | CN101333584A Laser heat treatment vulcanized process for leading edge of blade |
| 12/31/2008 | CN101333583A Method for preparing short-flowpath fine crystal super-plastic material |
| 12/31/2008 | CN101332560A Plastic working technique for increasing damping performance of high-strength wrought magnesium alloys |
| 12/31/2008 | CN101332558A New manufacture technique of duplex metal composite lining board |
| 12/31/2008 | CN101332488A Cold-forging technique of gear shaft |
| 12/31/2008 | CN100447417C Production process of high-purity plunger piston |
| 12/31/2008 | CN100447289C Plasma-assisted nitrogen surface treatment |
| 12/31/2008 | CN100447284C Chromium steel series cold extruding die steel and heat treatment technique thereof |
| 12/31/2008 | CN100447283C Stainless teel casting material for anti-high temp, sulfide, ammonium salt corrosion and mfg. process thereof |
| 12/31/2008 | CN100447261C Continuous annealing furnace to utilize afterheat of strip steel in the same casing |
| 12/31/2008 | CN100447260C Quick cooling test plant for disk type band steel, and method of use |
| 12/31/2008 | CN100447258C Orthodontic arch filament forming method and apparatus |
| 12/31/2008 | CN100447257C Technique of normalizing heat treatment of number 35 steel |
| 12/31/2008 | CN100446894C Production of thin steel strip |
| 12/30/2008 | US7470335 Method of modifying a workpiece following laser shock processing |
| 12/25/2008 | US20080318082 Iron-based brazing foil and method for brazing |
| 12/25/2008 | US20080318078 Alloy-Coated Boiler Part and Method of Welding Self-Fluxing Alloy-Coated Boiler Part |
| 12/24/2008 | WO2008156110A1 Hybrid heat treatment device |
| 12/24/2008 | WO2008155426A1 Vacuum furnace for heat treatment of metal workpieces and method for the operation thereof |
| 12/24/2008 | WO2008125964A3 Method for producing a crankshaft, in particular for diesel engines |
| 12/24/2008 | EP2006398A1 Process for producing steel material |
| 12/24/2008 | EP2006086A2 Soft magnetic metal strip laminate and process for production thereof |
| 12/24/2008 | DE102008022640A1 Deep-drawing/shaping of molded parts made of steel sheet, comprises cutting first planar blank under achievement of rough outline, bringing two passages into the blank, and remolding edge of the blank in two deep-drawing/shaping procedures |
| 12/24/2008 | CN201169609Y Intermediate frequency induction automatic heating mechanical device of bearing steel tube billet |
| 12/24/2008 | CN201169607Y Large-scale cold roller surface heat-treatment equipment |
| 12/24/2008 | CN201169606Y Steel tube induction normalizing and heat refining interchange apparatus |
| 12/24/2008 | CN201169604Y Mobile cover-type annealing furnace |
| 12/24/2008 | CN201169603Y Steel cylinder float-proof quenching machine |
| 12/24/2008 | CN201169602Y High-efficiency energy-saving type quenching and aging furnace |
| 12/24/2008 | CN201169601Y Corrugated plate atmosphere trolley electric stove |
| 12/24/2008 | CN201169600Y Non-hearth plate reversible trolley electric stove |
| 12/24/2008 | CN201169599Y Indirect cooling type furnace roller apparatus |
| 12/24/2008 | CN201169598Y Nickel iron soft magnetic alloy magnetization heat treatment device |
| 12/24/2008 | CN101330144A Method for heat-treatment of accumulator tube-type slab lattice |
| 12/24/2008 | CN101328567A Double electron beam partial heat treatment method after refractory metal material is welded |
| 12/24/2008 | CN101328565A Low nickle type austenitic stainless steel and manufacturing method thereof |
| 12/24/2008 | CN101328562A Oxide dispersion strengthening low activity martensitic steel material and preparation thereof |
| 12/24/2008 | CN101328561A Chromium ferritic stainless steel in precipitation strengthening, strip steel and making method thereof |
| 12/24/2008 | CN101328559A Steel for low yield ratio petroleum case pipe, petroleum case pipe and manufacturing method thereof |
| 12/24/2008 | CN101328534A Method for preparing sheet-like nanocrystalline Fe-based alloy microwave absorbing agent |
| 12/24/2008 | CN101328533A Cold rolling work roll rod-like integral induction heating quenching device |
| 12/24/2008 | CN101328531A Method for avoiding bearing ring grinding deformation |
| 12/24/2008 | CN101328530A Double tank quick moving exchange quenching device for continuous furnace |
| 12/24/2008 | CN100445410C Nano-crystal soft magnetic alloy material and its production |
| 12/24/2008 | CN100445400C Heat treating method for improving mechanical property of 42CrMo |
| 12/23/2008 | US7468110 Hollow cathode target and methods of making same |
| 12/18/2008 | WO2008153183A1 Process for manufacturing shaped article |
| 12/18/2008 | WO2008152275A2 Method and equipment for heating a metal strip, in particular for annealing |
| 12/18/2008 | US20080308978 Heat-Treating of Rolling Elements for Bearings, and Furnace for Implementing Such Treatment |
| 12/18/2008 | US20080308198 Austenitic Stainless Steel, Manufacturing Method for the Same, and Structure Using the Same |
| 12/18/2008 | DE10321414B4 Verfahren zur Wärmebehandlung von metallischen Werkstücken in Kammeröfen A method of heat treatment of metal workpieces in chamber |
| 12/18/2008 | DE102007059974B3 Manufacturing hardened component e.g. impact carrier for vehicles, comprises heating the component under inert gas at hardness temperature, moving the component and inductor relative to each other, and quenching the component by emulsion |
| 12/18/2008 | CA2685404A1 Method and equipment for heating a metal strip, in particular for annealing |
| 12/17/2008 | EP2003222A1 Heat-treatment steel for high-strength spring |
| 12/17/2008 | EP2003221A1 Very thin hard steel sheet and method for producing the same |
| 12/17/2008 | EP2003216A1 Process for producing seamless two-phase stainless-steel pipe |
| 12/17/2008 | EP2002903A2 Method for production of seamless pipe, and oxidizing gas supply apparatus |
| 12/17/2008 | EP1669469B1 Steel parts for machine structure, material therefor, and method for manufacture thereof |
| 12/17/2008 | CN201165540Y Metal pipeline tempering apparatus |
| 12/17/2008 | CN201165538Y Quenching medium preheating and cooling circulating system |
| 12/17/2008 | CN201165537Y Hydraulic water-cooling quenching leveler |
| 12/17/2008 | CN101326302A Carbo-nitriding process, method for manufacturing machine part, and machine part |