| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/23/2011 | CN202047099U Sealing structure of trolley type heat treatment furnace |
| 11/23/2011 | CN202047098U Anti-warp heat insulation cover |
| 11/23/2011 | CN202047097U Quenching machine capable of avoiding lateral bending of quenching part |
| 11/23/2011 | CN202047095U Quenching device for thick steel plates |
| 11/23/2011 | CN202047092U Thermal treatment production line device |
| 11/23/2011 | CN1829867B Thin-walled antifriction bearings |
| 11/23/2011 | CN102257173A Oriented electrical steel sheet, and method for producing same |
| 11/23/2011 | CN102257172A High-strength stainless steel pipe |
| 11/23/2011 | CN102257166A Method for manufacturing a coated part using hot forming techniques |
| 11/23/2011 | CN102257165A Conveying jig, method of manufacturing conveying jig, and method of heat-treating metal rings using conveying jig |
| 11/23/2011 | CN102254675A Heat treatment process of magnetically soft alloy iron core |
| 11/23/2011 | CN102254621A Thermal treatment method for internal-tin method Nb3Sn superconducting wire |
| 11/23/2011 | CN102251187A High-speed steel, extrusion roller containing high-speed steel and production method of extrusion roller |
| 11/23/2011 | CN102251185A Preparation method of high-chromium roller for steel tube reducing mill or sizing mill and high-chromium roller prepared thereby |
| 11/23/2011 | CN102251095A Automatic control device of soaking pit cooling air |
| 11/23/2011 | CN102251094A Heat accumulating type soaking pit furnace capable of combusting low-calorific value coal gas |
| 11/23/2011 | CN102251093A Integrated adjustable rack |
| 11/23/2011 | CN102251092A Bright annealing method for stainless steel band |
| 11/23/2011 | CN102251091A Electricity-gas mixed energy heating furnace |
| 11/23/2011 | CN102251090A Special lifting appliance for pit type heat treatment furnace |
| 11/23/2011 | CN102251089A Heat treatment method for full diameter 30Cr2Ni4MoV low pressure rotor |
| 11/23/2011 | CN102251088A Integrated flange heat-treatment device |
| 11/23/2011 | CN102251081A Quenching device for tooth surface of chain wheel |
| 11/23/2011 | CN102248377A Welding process posterior to heat treatment of automobile transmission gear |
| 11/23/2011 | CN102248364A Method and device for manufacturing water-heating braided hose steel bushing |
| 11/23/2011 | CN102248362A Method for manufacturing end socket of voltage stabilizer for nuclear power |
| 11/23/2011 | CN102248116A Manufacturing process for bolt with high strength of more than phi 30 |
| 11/23/2011 | CN102248097A Compression spring processing process |
| 11/23/2011 | CN102247985A Method for producing steel for stirring tank with limit specification through hot rolling |
| 11/23/2011 | CN101922993B On-line real-time monitoring hearth sealability early-warning device and early-warning method |
| 11/23/2011 | CN101871076B Manufacturing method of 500Mpa-grade cold-rolled magnetic steel |
| 11/23/2011 | CN101802231B Device and method for heating a metal material |
| 11/23/2011 | CN101787420B Large-size mandril structure property control method |
| 11/23/2011 | CN101784688B Method for producing steel sheets having high resistance and ductility characteristics, and sheets thus obtained |
| 11/23/2011 | CN101514431B High-strength high-elongation Cr17 cold-rolled steel strip and method for manufacturing same |
| 11/22/2011 | CA2404176C Inductor for heating inner-circumference of hole |
| 11/17/2011 | WO2011142473A1 Cold-rolled steel sheet and method for producing same |
| 11/17/2011 | WO2011142423A1 Method for manufacturing raw material for rotary machine part, method for manufacturing rotary machine part, raw material for rotary machine part, rotary machine part, and centrifugal compressor |
| 11/17/2011 | WO2011142356A1 High-strength steel sheet and method for producing same |
| 11/17/2011 | WO2011142285A1 High-strength steel plate and method for producing same |
| 11/17/2011 | WO2011141367A1 Method for producing a structural part from an iron-manganese-steel sheet |
| 11/17/2011 | WO2011141310A1 Steel side shaft produced by rotary swaging |
| 11/16/2011 | EP2386669A1 Constituent member of bearing, process for production of same, and ball-and-roller bearing provided with the constituent member |
| 11/16/2011 | EP2386660A1 Casting mould |
| 11/16/2011 | EP2222881B1 Rapid thermal treatment for coloring surgical needles |
| 11/16/2011 | CN202039101U Energy-saving clean water cooling-free slide way heating furnace |
| 11/16/2011 | CN202039100U Steel coil preheating device |
| 11/16/2011 | CN202039099U Strip breakage protective device of silicon steel continuous annealing machine set |
| 11/16/2011 | CN202039098U Strip steel scratch-prevention device of silicon steel continuous annealing machine |
| 11/16/2011 | CN202039097U Side spraying type aluminum foil annealing furnace |
| 11/16/2011 | CN202039096U Hanger for crankshaft normalizing |
| 11/16/2011 | CN202039095U Stainless steel continuous bright annealing furnace |
| 11/16/2011 | CN202039091U Profiled induction coil for sliding shoe surface quenching |
| 11/16/2011 | CN202039089U Automatic feeding device of high-frequency induction tempering device |
| 11/16/2011 | CN102245793A Constituent member of bearing, process for production of same, and ball-and-roller bearing provided with the constituent member |
| 11/16/2011 | CN102245789A High-purity ferritic stainless steel having excellent corrosion resistance, and method for producing same |
| 11/16/2011 | CN102245785A Device and method for hardening metal workpieces |
| 11/16/2011 | CN102242363A Method for modifying seam surface material of cutting seam sieve tube |
| 11/16/2011 | CN102242323A X80 steel, low-temperature-resistant pipe fitting manufactured from X80 steel and manufacturing method of pipe fitting |
| 11/16/2011 | CN102242312A Ferrous seal sliding part and producing method thereof |
| 11/16/2011 | CN102242305A Production method of composite funnel impact guard plate |
| 11/16/2011 | CN102242250A Device and method for eliminating welding stress of steel pipe ring beam by mechanical vibration |
| 11/16/2011 | CN102242249A Heating device for improving heating quality of steel billets and using method thereof |
| 11/16/2011 | CN102242248A Vertical continuous bright annealing process for cold-rolled stainless steel coil |
| 11/16/2011 | CN102242247A Process for quenching steel plate spring |
| 11/16/2011 | CN102242246A Evaporation heat transfer temperature control microcrystalline iron core annealer |
| 11/16/2011 | CN102240769A Method for manufacturing special vehicular lock part |
| 11/16/2011 | CN101923941B Low-noise transformer core for inverter power supply |
| 11/16/2011 | CN101886159B Method and device for heating steel billet |
| 11/16/2011 | CN101845543B Fire bending furnace |
| 11/16/2011 | CN101768695B Preparation method of Ti microalloyed ultra-fine grained cold rolling dual-phase steel of 1,000MPa level |
| 11/16/2011 | CN101657557B Hot-dip metal coated high-strength steel sheet for press working excellent in low-temperature toughness and process for production thereof |
| 11/16/2011 | CN101490298B Stainless steel sheet for parts and process for manufacturing the same |
| 11/15/2011 | CA2581251C High strength part and method of production of the same |
| 11/10/2011 | WO2011139117A2 High-strength and high-toughness ultrafine wire rod and method for producing same |
| 11/10/2011 | WO2011138278A1 Method for producing custom made, welded sheet steel products to be warm formed and corresponding welded product |
| 11/10/2011 | WO2011138014A1 Method for increasing the temperature homogeneity in a pit furnace |
| 11/10/2011 | WO2011138013A1 Method for increasing the temperature homogeneity in a pit furnace |
| 11/10/2011 | US20110272867 Handling machine for handling rails and handling process thereof |
| 11/10/2011 | US20110272067 Method and Apparatus for Producing Steel Pipes Having Particular Properties |
| 11/10/2011 | DE102010019215A1 Transportation system such as a conveyor is useful in a device for heating steel sheets to press-hardening |
| 11/10/2011 | DE102009040322B4 Verfahren und Vorrichtung zum Lagern eines gegossenen Kraftfahrzeugbauteils während einer Wärmebehandlung Method and device for supporting a molded motor vehicle component during a heat treatment |
| 11/10/2011 | DE102008038967B4 Vorrichtung zum Härten der Zähne von Zahnrädern durch induktive Wärmebehandlung Apparatus for curing the teeth of gears by inductive heat treatment |
| 11/09/2011 | EP2385149A1 Steel material for welding and method for producing same |
| 11/09/2011 | EP2385147A2 An electrical steel, a motor, and a method for manufacture of electrical steel with high strenght and low electrical losses |
| 11/09/2011 | EP1413634B1 Method of producing high cr-based seamless steel tube |
| 11/09/2011 | CN202030802U Flue gas waste heat utilization device of steel-rolling heating furnace |
| 11/09/2011 | CN202030801U Special fixture for heat treatment of automobile piston rings |
| 11/09/2011 | CN202030800U Double-frequency surface hardening device |
| 11/09/2011 | CN202030799U High-frequency annealing feeder |
| 11/09/2011 | CN202030798U Detachable heat-treatment fixture for vertical pit furnace |
| 11/09/2011 | CN202030795U Device for removing residual water of steel plate quenched by quenching press |
| 11/09/2011 | CN202030790U Assisted guide device for inlet end of copper wire annealer |
| 11/09/2011 | CN202030789U Annealing furnace humidifying device |
| 11/09/2011 | CN202030787U Valve small-end high-frequency quenching device |
| 11/09/2011 | CN202030786U Sensor for simultaneous quenching of multiple positions of crankshaft |
| 11/09/2011 | CN102239269A Handling machine for handling rails and handling process thereof |
| 11/09/2011 | CN102239268A Retort furnace for heat treating metal workpieces |
| 11/09/2011 | CN102234738A Ferrite stainless steel for buildings and preparation method thereof |
| 11/09/2011 | CN102234715A Cross steel tapping control method for blooming furnace group |