| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/14/2007 | CN2869031Y Induction heater cooling structure for High/medium frequency quenching machine tool |
| 02/14/2007 | CN2869030Y Shaft-like part tempering machine |
| 02/14/2007 | CN1914355A Method for surface treatment of metal material |
| 02/14/2007 | CN1914350A Fe base alloy having layer and method for production thereof |
| 02/14/2007 | CN1914347A 弹簧用钢丝 Spring steel wire |
| 02/14/2007 | CN1914343A Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 02/14/2007 | CN1912189A Hot processing method for removing decarbonizing of steel surface |
| 02/14/2007 | CN1912182A Precipitation hardening stainless steel of surface laser alloy and its preparation process and application |
| 02/14/2007 | CN1912168A On-line solid solution method of separation reinforced copper alloy wire pole |
| 02/14/2007 | CN1912165A Hot work die steel and its preparation method |
| 02/14/2007 | CN1912151A Saw blade quenching machine |
| 02/14/2007 | CN1300347C High energy continuous electric pulse on line annealing method of copper wire and its device |
| 02/13/2007 | US7175794 Method for manufacturing a pressed part from a soft magnetic composite material |
| 02/13/2007 | US7175722 Concurrently applying heat and vibration; oscillation |
| 02/13/2007 | US7175720 Applying annealing heat treatment to component coated with alloy containing aluminum and chromium; measuring electrical conductivity and magnetic permeability of coating; determining depletion of aluminum and chromium |
| 02/08/2007 | WO2007015514A1 LAYERED Fe-BASED ALLOY AND PROCESS FOR PRODUCTION THEREOF |
| 02/08/2007 | WO2007014642A1 Antifriction mounting |
| 02/08/2007 | WO2007014610A1 Method for contactlessly annealing parts by means of bundled radiation |
| 02/08/2007 | DE102005036068A1 Modellierverfahren für den zeitlichen Verlauf des Zustands eines Stahlvolumens durch einen Rechner und hiermit korrespondierende Gegenstände Modeling the time evolution of the state of a steel volume by a computer and hereby corresponding objects |
| 02/08/2007 | CA2615916A1 Process for laser rounding and flattening of cylindrical parts |
| 02/07/2007 | EP1749599A1 Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
| 02/07/2007 | CN2866519Y Steel pipe water quenching heat treatment device |
| 02/07/2007 | CN2866518Y Fast cooling spraying box capable of suppressing strap steel vibration for continuous annealing |
| 02/07/2007 | CN1910379A Rolling bearing and method for heat treatment of steel |
| 02/07/2007 | CN1910302A Austenitic stainless steel sheet excellent in color tone of surface and method for manufacturing it |
| 02/07/2007 | CN1910296A Steel sheet for use in containers and manufacturing method therefor |
| 02/07/2007 | CN1909988A Apparatus and method for heat-treating thick steel plate, and manufacturing line of thick steel plate |
| 02/07/2007 | CN1908461A Hard tooth face sugar press used reducer and hard tooth face processing method |
| 02/07/2007 | CN1908230A Alloy coating technique for metallic screw assembly surface |
| 02/07/2007 | CN1908220A High temperature flame-proof protecting method for magnesium and alloy thereof |
| 02/07/2007 | CN1908203A Double layer roller bottom type continuous spheroidizing annealing furnace |
| 02/07/2007 | CN1908202A Soaking heat treatment technique for automobile steering knuckle after forging |
| 02/07/2007 | CN1908201A Double chamber vacuum air quenching backfire multipurpose furnace |
| 02/07/2007 | CN1908200A Air cooling apparatus for outside loop multiple heat exchanger furnace |
| 02/07/2007 | CN1298874C Super elasticity low modulus titanium alloy and preparing and processing method |
| 02/06/2007 | CA2383165C Hot working die steel excelling in molten corrosion resistance and strength at elevated temperature and member for high temperature use formed of the hot working die steel |
| 02/01/2007 | WO2007013508A1 Titanium electrode material |
| 02/01/2007 | WO2007013485A1 High-strength steel pipe and method of heat treatment therefor |
| 02/01/2007 | WO2007013279A1 Heating device and heating method |
| 02/01/2007 | WO2007013126A1 Continuous heat treatment furnace and utilizing the same, metal pipe and method of heat treatment |
| 02/01/2007 | US20070023980 Pest control system |
| 02/01/2007 | US20070023113 Dual-phase steel sheet excellent in stretch flange formability and production method thereof |
| 02/01/2007 | DE10295850B4 Druckdüse Pressure nozzle |
| 02/01/2007 | DE102005035626A1 Tempering hardened steel components, especially automotive synchronizing rings, uses bundled rays of infra red light to heat them partially |
| 02/01/2007 | DE102005023952A1 Sicherheitspanzerung zum Schutz gegen Beschuss sowie Verfahren zu ihrer Herstellung Safety armor for protection against fire and processes for their preparation |
| 02/01/2007 | CA2618055A1 Titanium electrode material |
| 01/31/2007 | CN2863816Y Furnace bladder |
| 01/31/2007 | CN1906314A Rail manufacturing method |
| 01/31/2007 | CN1905986A Process for forming ultrafine crystal layer, machine component having ultrafine crystal layer formed by the ultrafine crystal layer forming process, process for producing the machine component, proces |
| 01/31/2007 | CN1904121A Tungsten aluminium containing bainite forged steel special for railroad frog |
| 01/31/2007 | CN1904088A Method of implementing on line softening annealing of medium, high carbon steel wire using high energy electric pulse |
| 01/31/2007 | CN1904087A Correction method of thin plane gasket after heat treatment |
| 01/31/2007 | CN1904086A Method of improving steel object surface hardness using carbon distribution |
| 01/31/2007 | CN1904085A Control method of light spot posture during laser quenching |
| 01/31/2007 | CN1297994C Method for preparing specific squareness ratio nanocrystalline soft magnetic material without magnetic field treatment |
| 01/31/2007 | CN1297680C Steel for case hardening bearing excellent in toughness and rolling fatigue life in quasi-high temperature region |
| 01/30/2007 | US7169351 Method of production of surface densified powder metal components |
| 01/25/2007 | WO2007010567A1 Heat-treating of rolling elements for bearings, and furnace for implementing such treatment |
| 01/25/2007 | US20070017774 Roller-conveyor roller for the transport of furnace-heated metallic strip material |
| 01/25/2007 | US20070017607 Method for heating components |
| 01/25/2007 | DE112005000546T5 Abschrecköl zum Abschrecken unter vermindertem Druck und Verfahren zum Abschrecken Quenching for quenching under reduced pressure and method for quenching |
| 01/24/2007 | CN2861179Y Heat-treatment induction heating apparatus for parts such as non-equant and unequal wall thick shaft |
| 01/24/2007 | CN2861178Y Medium frequency quenching and tempering hot-treatment device for petroleum drilling tool such as drill collar and loading drill rod |
| 01/24/2007 | CN2861177Y Segmented heat treatment furnace for test |
| 01/24/2007 | CN1900488A Variable stator blade, method for repair of a blade |
| 01/24/2007 | CN1900346A Heat treatment, swaging and nitriding process for heat resistance steel |
| 01/24/2007 | CN1900345A Metal fiber wire and its producing process |
| 01/24/2007 | CN1900344A High strength bolt excellent in delayed fracture resistance and method of production of same |
| 01/24/2007 | CN1900343A Steel with excellent delayed fracture resistance and tensile strength of 1600 mpa class or more, its shaped articles, and methods of production of the same |
| 01/24/2007 | CN1900338A High temperature molybdenum alloy wire and its preparing method |
| 01/24/2007 | CN1899698A Magnetic separating colume and its use in spearating biological samples |
| 01/24/2007 | CN1296497C Double temperature quenching and strong toughening treatment method for cold forging die |
| 01/23/2007 | US7166175 Method and device for hardening a metal component by plasma pulse technology |
| 01/23/2007 | US7165435 Conduction preheating for hot-formed sheet metal panels |
| 01/18/2007 | WO2006071502B1 Composition and process for enhanced properties of ferrous components |
| 01/18/2007 | US20070012386 High strength steel plate and method for manufacturing the same |
| 01/18/2007 | DE102005033360A1 Verfahren zur Herstellung von vergüteten Stahl-Kraftfahrzeugbauteilen A process for producing quenched steel automotive components |
| 01/17/2007 | EP1743950A1 Seamless steel pipe and method for production thereof |
| 01/17/2007 | EP1508260B1 Device for the induction heating of toothing belonging to a mechanical part |
| 01/17/2007 | EP1342799B1 Method for baking steel parts |
| 01/17/2007 | EP1165276B1 Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 01/17/2007 | CN2858668Y Bearing steel ball atmosphere-controlled heat treatment production line |
| 01/17/2007 | CN2858665Y Gas heating slow-cooling pit-type furnace |
| 01/17/2007 | CN2858664Y Multi-trolley continuous product line for casting annealing and ageing |
| 01/17/2007 | CN1896703A Method for machining workpiece surface temperature of large vertical quenching furnace |
| 01/17/2007 | CN1896555A Production of rotary compressor crank |
| 01/17/2007 | CN1896288A Electric-heating control system of large vertical quench furnace |
| 01/17/2007 | CN1295353C Production method of sheet steel with good strain-aged hardening characteristics |
| 01/17/2007 | CN1295352C Alloy/high alloy carburizing steel cementing quenching method in low-carbon |
| 01/16/2007 | US7163754 Wear resistance and corrosion resistance |
| 01/16/2007 | US7162798 Ported engine cylinder liner with selectively laser-hardened and induction-hardened bore |
| 01/11/2007 | WO2007003748A1 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part |
| 01/11/2007 | WO2007003222A1 Equipment and method for hardening treatment of metallic parts |
| 01/11/2007 | US20070010870 Tubular stent with oval struts |
| 01/11/2007 | US20070006947 Steel wire for cold forging having excellent low temperature impact properties and method of producing the same |
| 01/11/2007 | DE102005031461A1 Method for producing micro alloyed cold rolled strip with varying thickness by two rolling and tempering processes |
| 01/11/2007 | CA2612718A1 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part |
| 01/10/2007 | EP1740734A2 Nano-crystalline steel sheet |
| 01/10/2007 | EP1740625A1 Method for producing aqueous polyvinyllactam dispersions |
| 01/10/2007 | CN2856062Y Aging gas heating treatment furnace for aluminum alloy solution |