| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 11/24/2009 | US7621201 Hot forming tools for aluminum and magnesium sheets |
| 11/20/2009 | CA2663736A1 Method for increasing the fatigue strength of a predominantly steel mechanical part of a wind turbine and/or for reducing the tendency to form what are called "white etching cracks" or "brittle flakes" in such steel mechanical parts |
| 11/19/2009 | WO2009138869A1 Press-forming method and press-formed part |
| 11/19/2009 | WO2009138602A1 Device for blowing a gas on the surface of a material in the form of a running strip |
| 11/19/2009 | US20090283941 Method for boltless heat treatment of thin flanges |
| 11/19/2009 | US20090283032 High performance kinetic spray nozzle |
| 11/19/2009 | DE102008022401A1 Method for the production of steel mold part e.g. automobile body with predominantly bainitic structure, comprises providing starting material in the form of a steel plate or a preformed steel part and through-heating the starting material |
| 11/19/2009 | DE102008022400A1 Method for the production of steel mold part, comprises through-heating a starting material at an austenitisation temperature so that it has a complete austenitic structure and then introducing in a press molding tool |
| 11/19/2009 | DE102008022399A1 Verfahren zum Herstellen eines Stahlformteils mit einem überwiegend ferritisch-bainitischen Gefüge A method for producing a steel mold part with a predominantly ferritic-bainitic structure |
| 11/18/2009 | EP2119800A1 Method of manufacturing laminated ring and heat treatment apparatus for use in such method |
| 11/18/2009 | EP2119799A1 Residual stress improving method of pipeline |
| 11/18/2009 | EP2118326A2 Gear material for an enhanced rotorcraft drive system |
| 11/18/2009 | EP2117743A1 Method for shaping a blank, and cooling device for a blank |
| 11/18/2009 | CN201347444Y Flue gas protecting furnace |
| 11/18/2009 | CN201347443Y Mold for annular gear |
| 11/18/2009 | CN101583726A Method for quenching steel product |
| 11/18/2009 | CN101581200A 120 steel grade drill pipe and manufacturing process method thereof |
| 11/18/2009 | CN101580920A Method for manufacturing aluminum foil |
| 11/18/2009 | CN101580919A Medium-carbon cast steel shot or medium-carbon cast steel grit and preparation method thereof |
| 11/18/2009 | CN101580916A High-strength high-plasticity twinning-induced plasticity steel and manufacturing method thereof |
| 11/18/2009 | CN101580897A Method for improving Bi-system high temperature superconducting wire internal interface conditions |
| 11/18/2009 | CN101580895A Processing method of balance shaft housing |
| 11/18/2009 | CN101580894A Water spraying system of high-temperature fast seamless steel pipe quenching device |
| 11/18/2009 | CN101580893A Method for high-temperature fast quenching of seamless steel pipes |
| 11/18/2009 | CN101580891A Quenching tank provided with combined type current limiting plate |
| 11/18/2009 | CN101580890A Trolley assembly annealing furnace |
| 11/18/2009 | CN101579804A Integral forming method of large size thin-walled titanium alloy cylindrical part without welding line |
| 11/18/2009 | CN101579800A Warm/cold forging process for precision forgings with integrated long shafts and inner ball cages |
| 11/18/2009 | CN101579701A Preparation process of copper pipe material for electronic thermotubes |
| 11/18/2009 | CN100561023C Manufacturing technique for fitting of high-pressure valve |
| 11/18/2009 | CN100560777C On-line thermal-insulating quenching apparatus and process |
| 11/18/2009 | CN100560752C Double metal saw belt single furnace multiple cycle tempering heat treatment method |
| 11/18/2009 | CN100560749C Heating method for preventing high carbon belt billet decarburization |
| 11/18/2009 | CN100560748C Composite treating method for prolonging life of grating machine key components |
| 11/18/2009 | CN100560354C Composite nickel steel band production technique |
| 11/18/2009 | CN100560343C Method for manufacturing metal lining composite ring gas bottle |
| 11/17/2009 | CA2355436C Surface on a stainless steel matrix |
| 11/12/2009 | WO2009135776A1 Method for producing a formed steel part having a predominantly ferritic-bainitic structure |
| 11/12/2009 | WO2009103891A3 Device for blowing a gas on a surface of a running strip material |
| 11/12/2009 | DE10020118B4 Method for verifying sealability of selected exhaust valve of selected cylinder in internal combustion engine in motor vehicle, involves concluding sealability of valve based on measured values of lambda sensor in one of exhaust gas strands |
| 11/12/2009 | CA2725210A1 Method for producing a formed steel part having a predominantly ferritic-bainitic structure |
| 11/11/2009 | EP2116313A1 Device and method for cooling hot-rolled steel strip |
| 11/11/2009 | EP2115175A1 Cutlery and/or serving cutlery made of ferritic stainless steel with a martensitic case |
| 11/11/2009 | CN201343567Y Energy-saving high-frequency aluminum tube annealer |
| 11/11/2009 | CN201343560Y Wiping and drying system for vertical quench tank |
| 11/11/2009 | CN201343557Y Sand recovering device for heat-treatment furnace |
| 11/11/2009 | CN201343553Y Heating furnace lining with intermediate frequency induction |
| 11/11/2009 | CN201343552Y Rolling rod type conveying structure in heat treatment equipment |
| 11/11/2009 | CN101578379A Method and apparatus for the heat treatment of welds |
| 11/11/2009 | CN101575690A Preparation method for fine crystalline refractory metal |
| 11/11/2009 | CN101575678A Manufacturing technique of tungsten alloy for improving mechanical property of high-density tungsten alloy |
| 11/11/2009 | CN101575666A Heat processing technology for improving low-temperature impact work of 42CrMo bearing |
| 11/11/2009 | CN101575664A Process for heat treatment of amorphous transformer core |
| 11/11/2009 | CN101575660A Method for melting aluminum based on electromagnetic induction principle |
| 11/11/2009 | CN101575659A Method and device for melting lead with energy saving |
| 11/11/2009 | CN101574769A Surface treatment method of piston for quartering hammer |
| 11/11/2009 | CN101574751A Special hard valve sealing component coating technique with dissimilar materials |
| 11/11/2009 | CN100559009C Sucker rod cold-drawing recovery production process |
| 11/11/2009 | CN100558926C Steel for plastic molds and process of heat treatment thereof |
| 11/11/2009 | CN100558914C 30Mn*280 orbit square steel cold drawing deformation aging heat processing technique for large-scale port machine |
| 11/11/2009 | CN100558504C Preparation of seamless special-shaped steel pipe for low temperature resistance oil derrick electric transmission pole tower |
| 11/11/2009 | CN100558503C Technique for processing oil distribution sleeve in adjustable windstick distributor for marine |
| 11/10/2009 | US7615126 High strength hot rolled steel plate excellent in enlargeability and ductility and method for producing thereof |
| 11/10/2009 | CA2397953C Method for producing angular, stainless shot-blasting abrasives based on fe-cr-c alloy |
| 11/05/2009 | WO2009097426A3 Steel sheet heat treatment/stamp system and method |
| 11/05/2009 | US20090274571 Nd-Fe-B Permanent Magnetic Material |
| 11/05/2009 | US20090272470 Method of Heat Treating Cultivating Disc, Coulter, and Seed Drill Blades Made From Heat Quenched Boron Steels, Such That They Can Be Roller Re-edged and Re-sharpened, and Yet Retain Excellent Toughness, Hardness and Wear Characteristics, and Are Especially Useful in Dry Sandy Soils Such as Found in Certain Wheat Growing Regions |
| 11/04/2009 | EP2113580A1 Steel wire rod excellent in mechanical descaling |
| 11/04/2009 | CN201341250Y Induction heaters used for heating serrated racks and induction heat treatment device comprising same |
| 10/29/2009 | WO2009131211A1 Heat treatment method for rolling bearing device for wheel and cooling device for inner shaft |
| 10/29/2009 | WO2009131202A1 Method for producing steel parts |
| 10/29/2009 | US20090266615 Bi-steel percussive drill rod |
| 10/29/2009 | US20090266453 Method for purifying an input mixture comprising carbon dioxide (co2) and carbon monoxide (co), to eliminate the carbon monoxide contained in said mixture |
| 10/29/2009 | US20090266448 Nano-crystalline, magnetic alloy, its production method, alloy ribbon and magnetic part |
| 10/29/2009 | DE102008021306A1 Härteeinrichtung Hardening device |
| 10/28/2009 | EP2112238A1 Continuous annealing equipment |
| 10/28/2009 | EP1481102B1 Method of heat treatment of stainless steel. |
| 10/28/2009 | EP1120577B1 Rolling bearing and method for fabricating a race for a rolling bearing |
| 10/28/2009 | CN101568726A Swash plate type piston pump motor and method for manufacturing the same |
| 10/28/2009 | CN101568654A Method of cooling hot forged part, apparatus therefor, and process for producing hot forged part |
| 10/28/2009 | CN101568652A Method of forming {100} texture on surface of iron or iron-base alloy sheet, method of manufacturing non-oriented electrical steel sheet by using the same and non-oriented electrical steel sheet manuf |
| 10/28/2009 | CN101567234A Method for preparing capacity-increased and energy-saving overhead power transmission shaped conductor |
| 10/28/2009 | CN101566066A High-intensity hydraulic support pipe with wall thickness of 60mm-70mm |
| 10/28/2009 | CN101565803A Heat treatment method for improving strength and conductivity of copper alloy of Cu-Cr series |
| 10/28/2009 | CN101565801A High-carbon-chromium bearing steel and manufacture method thereof |
| 10/28/2009 | CN101565800A Steel plate with obdurability and strong plasticity and manufacturing method thereof |
| 10/28/2009 | CN101565798A Ascalloy and manufacturing method thereof |
| 10/28/2009 | CN101565793A Alloy ductile iron crankshaft and heat treatment process thereof |
| 10/28/2009 | CN101565783A Gold alloy with 18k span effect and preparation method thereof |
| 10/28/2009 | CN101565772A Plasma quenching method of screw threads of petroleum drilling tools |
| 10/28/2009 | CN101564806A Production process for OOCr13Si2MoAl soft-magnetic chromium stainless alloy material special for welding |
| 10/28/2009 | CN101564738A Machining process of directly pulling steel round rope into flat rope |
| 10/28/2009 | CN100555722C Titanium electrode material |
| 10/28/2009 | CN100554520C Precision piece surface chromium base alloy carbides cladding process method |
| 10/28/2009 | CN100554519C Surface reinforcement and lubricating process for long-life bearing |
| 10/28/2009 | CN100554481C Alloy ball iron guide disc for precision tube mill |
| 10/28/2009 | CN100554477C High strength bolt excellent in delayed fracture resistance and method of production of same |
| 10/27/2009 | US7608798 Plasma catalyst |
| 10/22/2009 | WO2009129389A1 Cryogenic treatment systems and processes for grinding wheels and bonded abrasive tools |
| 10/22/2009 | US20090261077 Heat treatment holder and heat treatment apparatus and method |