| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 05/27/2009 | CN201245692Y Stepping copper ingot heating furnace |
| 05/27/2009 | CN201245691Y Temperature controlled smoke exhaust ventilator |
| 05/27/2009 | CN201245690Y Chain drive mechanism of roller-hearth furnace |
| 05/27/2009 | CN201245689Y Integral heating device for steel plate |
| 05/27/2009 | CN201245688Y Automatic high-frequency quenching machine |
| 05/27/2009 | CN201245686Y Parts quenching auxiliary device |
| 05/27/2009 | CN201245685Y Upper-lower layer heat exchange type continuous annealing furnace |
| 05/27/2009 | CN101443479A Directional electromagnetic steel sheet having high tension insulating coating film and method for processing the insulating coating film |
| 05/27/2009 | CN101443470A Bead wire having light weight and excellent drawability, method for production of the bead wire, and lightweight tire |
| 05/27/2009 | CN101443467A High strength hot rolled sheet having excellent elongation property, stretch flange formability and tensile fatigue property, and method for producing the same |
| 05/27/2009 | CN101440724A Roller member and method for producing the same |
| 05/27/2009 | CN101440462A Economical long service life material for mechanical press forging die and manufacturing method thereof |
| 05/27/2009 | CN101440461A Casinghead gas corrosion resistant pumping rod steel and manufacturing method thereof |
| 05/27/2009 | CN101440460A Medium and high strength oil casing for resisting sulfurated hydrogen corrosion and manufacturing method thereof |
| 05/27/2009 | CN101440428A Production method of seamless stainless steel tube for high-pressure boiler |
| 05/27/2009 | CN101440427A Steel pipe normalizing method |
| 05/27/2009 | CN101440426A Surface quenching heat treatment method for railway wagon heavy duty vehicle coupler body and drawbar terminal pin hole |
| 05/27/2009 | CN101440425A Vacuum chamber of double-deck furnace single chamber structure |
| 05/27/2009 | CN101440423A Automatic control furnace for vacuum heat treatment |
| 05/27/2009 | CN101439445A Hard-face overlaying welding material and use thereof |
| 05/27/2009 | CN101439361A Technique for preparing copper wire for reducing oxidation |
| 05/27/2009 | CN101439351A Centrifugal casting production method of high-boron high-speed steel composite roller |
| 05/27/2009 | CN101439350A Method for producing seamless steel pipe for producing gas cylinder with heavy caliber for hauled vehicle |
| 05/27/2009 | CN101439347A Technique for producing rod iron with large diameter for mechanical manufacture |
| 05/27/2009 | CN100492132C Material for manufacturing LCD back light source luminary and manufacturing method thereof |
| 05/27/2009 | CN100491546C Hood-type annealing furnace self-adapting control method |
| 05/27/2009 | CN100491545C Correction method of thin plane gasket after heat treatment |
| 05/27/2009 | CN100491063C Method for producing metallurgically binding metal composite seamless pipe |
| 05/27/2009 | CN100491000C Method for calendering pure copper foil |
| 05/26/2009 | US7537727 Low to medium carbon content and high ductility steel composition with a relatively low nickel content; high performance characteristics; lower production costs; thermally processing comprising normalizing, austenitizing, oil quenching and tempering; weldable bomb casings |
| 05/26/2009 | CA2372388C Hot-rolled steel sheet, cold-rolled steel sheet and hot-dip galvanized steel sheet excellent in strain age hardening property, and manufacturing method thereof |
| 05/22/2009 | WO2009065113A2 Quenching methods and apparatus |
| 05/22/2009 | WO2009064265A1 Method and devices for producing air sensitive electrode materials for lithium ion battery applications |
| 05/22/2009 | WO2009063909A1 Method of heat-treating steel, process for producing machine part, and machine part |
| 05/22/2009 | WO2009063753A1 Method for heat treatment of columnar component |
| 05/22/2009 | WO2009062486A1 Process for hardening groove flanks of the annular groove of a steel piston by means of a laser beam |
| 05/22/2009 | CA2705260A1 Method and devices for producing air sensitive electrode materials for lithium ion battery applications |
| 05/21/2009 | US20090127753 Method and Apparatus for Heating Steel Components in a Continuous Furnace |
| 05/21/2009 | US20090126838 Uniform heat treatment process for hardening steel |
| 05/21/2009 | US20090126837 Cold rolled steel sheet having superior formability and high yield ratio, process for producing the same |
| 05/21/2009 | US20090126835 Quenching methods and apparatus |
| 05/20/2009 | EP2060649A1 Spring steel and spring superior in fatigue properties |
| 05/20/2009 | EP2059616A2 Method of reheating in a furnace using a fuel of low calorific power, and furnace using this method |
| 05/20/2009 | CN201241177Y Refusion heating device for aluminum alloy thixotropy machining |
| 05/20/2009 | CN201241176Y Energy-saving type middle heat processing furnace |
| 05/20/2009 | CN101437973A Martensitic stainless seamless steel pipe for oil well pipe, and method for producing the same |
| 05/20/2009 | CN101435484A Martensite stainless steel chain and application on sewage treating apparatus |
| 05/20/2009 | CN101435018A Hot dip galvanizing annealing process and high temperature annealing furnace |
| 05/20/2009 | CN101435017A Contact type aluminum wire continuous annealing method and apparatus |
| 05/20/2009 | CN101435016A Rolling wheel rotary type cooling bed |
| 05/20/2009 | CN101435015A Trolley type annealing furnace |
| 05/20/2009 | CN101435014A Gas furnace |
| 05/20/2009 | CN101434025A Method for processing crankshaft capable of improving torques of winch and crank-pin |
| 05/20/2009 | CN101433939A Precision forging technique for cracking connection rod |
| 05/20/2009 | CN100489143C High-chromium alloy cast-iron concrete mixer lining board and method for manufacturing the same |
| 05/20/2009 | CN100489139C High-strength abrasion-proof cast steel lining board and manufacturing method thereof |
| 05/20/2009 | CN100489138C Balancing shaft and its forging method for engine |
| 05/20/2009 | CN100489123C Method and apparatus for continuous heat treatment for long bar by inducted heating |
| 05/20/2009 | CN100489122C Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets |
| 05/20/2009 | CN100489121C Controlled cooling process and water cooler for high carbon and chromium bearing steel pipe blank after hot rolling |
| 05/20/2009 | CN100489120C Gas integral heat treating method and device for large-scale pressure container |
| 05/20/2009 | CN100489119C Integral heat treatment method for fixed pipe plate-type heat exchanger |
| 05/20/2009 | CN100489118C Press moulding product and its high frequency quenching method and its high frequency quenching device |
| 05/19/2009 | US7534312 Steel plate exhibiting excellent workability and method for producing the same |
| 05/19/2009 | CA2310335C High strength thin steel sheet, high strength galvannealed steel sheet and manufacturing method thereof |
| 05/14/2009 | WO2008071157A3 Method for the heat treatment of antifriction bearing components of fully hardened, austempered antifriction bearing steel |
| 05/14/2009 | US20090120535 Method of bonding steel members, method of enhancing bonding strength of united body formed of steel members, steel product, and die-cast product |
| 05/14/2009 | US20090120272 Safety Armor for Protection Against Gunfire and Process for Producing it |
| 05/14/2009 | DE102004040390B4 Verfahren zur Induktionswärmebehandlung Method for Induction Heat Treatment |
| 05/13/2009 | EP2058560A1 Pulley for continuously variable transmission |
| 05/13/2009 | EP2058414A1 High-strength spring steel wire, high-strength springs and processes for production of both |
| 05/13/2009 | EP2057295A2 Rod or wire heat treatment system, related methods, and related products |
| 05/13/2009 | EP1442148B1 Duplex stainless steel |
| 05/13/2009 | CN201237436Y Improved stepping type heating stove |
| 05/13/2009 | CN201236202Y Cover type furnace cooling cover |
| 05/13/2009 | CN201236201Y Cover type furnace heating cover |
| 05/13/2009 | CN201236200Y Combined material rest for anneal of small coiled material |
| 05/13/2009 | CN201236199Y Combined material rest for anneal of large coiled material |
| 05/13/2009 | CN201236198Y Quenching apparatus without hydraulic plate for continuously quenching steel belt |
| 05/13/2009 | CN201236197Y HDPE hollow wall winding tube internal surface heat treating equipment |
| 05/13/2009 | CN201236196Y HDPE hollow wall winding tube external surface heat treating equipment |
| 05/13/2009 | CN101432539A Method of producing bearing unit-use outer race |
| 05/13/2009 | CN101432451A Improvement made to the rapid heating sections of continuous heat-treatment lines |
| 05/13/2009 | CN101432450A Process for producing grain-oriented magnetic steel sheet with high magnetic flux density |
| 05/13/2009 | CN101432449A Metal heat treating methods and devices |
| 05/13/2009 | CN101429632A Annealing equipment used in copper cladding aluminum or aluminum cladding copper magnesium thread production |
| 05/13/2009 | CN101429621A Nitrogen intensified high-carbon twin crystal inducement plastic steel material and its production technique |
| 05/13/2009 | CN101429619A High-strength steel tension rod and thermal treatment method thereof |
| 05/13/2009 | CN101429591A Thermal treatment process for spring steel PAG water-soluble quenching medium for band spring of automotive vehicle |
| 05/13/2009 | CN101429590A Process for producing twin crystal inducement plastic steel material with high carbon content |
| 05/13/2009 | CN101428305A Process for manufacturing copper iron alloy plate (row, stick, tube) |
| 05/13/2009 | CN101428304A Process for manufacturing silver copper plate (row, stick, tube) |
| 05/13/2009 | CN101428298A Process for manufacturing pipeline tube |
| 05/13/2009 | CN101428292A Method of manufacturing high-strength hot rolled ribbed steel bar |
| 05/13/2009 | CN101428291A Production process for large weight soldering-free molybdenum wire pole stock |
| 05/13/2009 | CN100488324C Width adjustable and temperature controllable transverse magnetic flux induction heating apparatus |
| 05/13/2009 | CN100487150C High-strength hot-rolled steel sheet excellent in chemical convertibility |
| 05/13/2009 | CN100487140C Method for heat-treating steel material |
| 05/13/2009 | CN100487139C Method for the production of a bearing ring for large-size rolling bearings |
| 05/12/2009 | US7531052 Continuous processed groove, formed by thermal energy in a longitudinal direction on one side of the strip at a position at a predetermined distance from one edge; and a continuous changed structure area formed by thermal energy in a longitudinal direction on the opposite side of the strip |