| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 03/05/2008 | EP1513966B1 Method for surface treatment of sheets and strips of aluminium alloy |
| 03/05/2008 | EP1153527B1 High efficiency induction melting system |
| 03/05/2008 | CN201032386Y Improved chain plate section |
| 03/05/2008 | CN201031240Y Circulation fan |
| 03/05/2008 | CN201030404Y Autoclave time-effect forming die |
| 03/05/2008 | CN101135055A Vacuum cleaning degreasing tempering furnace |
| 03/05/2008 | CN101135054A Base roller transmission type continuous carbonizing heat treatment furnace |
| 03/05/2008 | CN101135028A High-strength stainless steel and thermal treatment process |
| 03/05/2008 | CN101135027A Gyratory breaker mortar rolled chemical composition control and thermal treatment process |
| 03/05/2008 | CN101134996A Double quenching technique for 9Cr2Mo leveler roll |
| 03/05/2008 | CN101134995A Alloy spring steel ultra-fine martensite heat treatment quenching strengthening process |
| 03/05/2008 | CN101134994A Spring steel quenching medium water-based hardening liquid heat treating process |
| 03/05/2008 | CN101134993A Semi-continuous horizontal pipe lengthen annealing vacuum furnace |
| 03/05/2008 | CN101134991A Linear type heat treatment furnace |
| 03/05/2008 | CN101134990A Continuous carburetion quenching furnace electric controller |
| 03/05/2008 | CN101134989A Improvement for vacuum furnace heat insulation layer |
| 03/05/2008 | CN101134988A Fireproof material unit for heating-furnace |
| 03/05/2008 | CN101134279A Method for processing rack bar of the elevator |
| 03/05/2008 | CN101134277A Manufacturing method of surface-quenching chromium-plating winded-welding roller |
| 03/05/2008 | CN101134268A Laser hardening device |
| 03/05/2008 | CN101134232A Technique for producing anticentripetal composite abrasion-proof hammer tools |
| 03/05/2008 | CN100373144C Material thermal treating surface temperature realtime monitoring system |
| 03/05/2008 | CN100372949C Heat treating device and heat treating method |
| 03/04/2008 | US7338631 Copper alloy and method of manufacturing the same |
| 03/04/2008 | US7338629 Integrated metal processing facility |
| 03/04/2008 | US7338138 Link and producing method of the same |
| 02/28/2008 | WO2008023229A1 Vapor-reinforced expanding volume of gas to minimize the contamination of products treated in a melting furnace |
| 02/28/2008 | WO2008003395A3 Method for manufacturing spheroidal cast iron mechanical components |
| 02/28/2008 | WO2007108344A9 High-strength steel excellent in weldability and process for production thereof |
| 02/27/2008 | EP1892312A1 Carburized metal material and method for producing same |
| 02/27/2008 | EP1892309A1 Oil well pipe for expandable-tube use excellent in toughness after pipe expansion and process for producing the same |
| 02/27/2008 | CN201027209Y Sealing hardening bath for shaft furnace |
| 02/27/2008 | CN101131183A Manufacturing method for cross axle of universal coupling |
| 02/27/2008 | CN101130852A Vertical external-heating and induction-heating vacuum carburizing stove |
| 02/27/2008 | CN101130831A Bottom suction type high flow rate heat-exchanger rig |
| 02/27/2008 | CN101130830A One tenth hardness quenching and tempering and annealing technique for chilled steel strip |
| 02/27/2008 | CN101130829A 30CrNi3A material isothermal hardening technique |
| 02/27/2008 | CN101130828A Ultrasonic deep-rolling and tumbling integrated surface strengthening device |
| 02/27/2008 | CN100371467C Ingot slow cool annealing process for low-carbon steel |
| 02/27/2008 | CN100371466C Carburizing and quenching process for cold extrusion steel |
| 02/27/2008 | CN100371465C Control method of light spot posture during laser quenching |
| 02/26/2008 | US7334943 Differential support structure, differential's component, method of manufacturing differential support structure, and method of manufacturing differential's component |
| 02/21/2008 | WO2008021358A2 Amorphous metal foam as a property-matched bone scaffold substitute |
| 02/21/2008 | WO2008020580A1 Hot-rolled high-carbon steel sheets and process for production of the same |
| 02/21/2008 | WO2008020549A1 Method of cooling steel sheet |
| 02/21/2008 | WO2007123894A3 Method and means for ultrasonic impact machining of surfaces of machine components |
| 02/21/2008 | US20080042327 System for Extending the Life of Thin Walled Tubing and Austempered Weld Stress Relieved Thin Walled Tubing |
| 02/21/2008 | US20080041507 Copper alloy and method of manufacturing the same |
| 02/21/2008 | US20080041505 Continuous process for production of steel part with regions of different ductility |
| 02/21/2008 | US20080041504 Method for reducing surface particle shedding |
| 02/21/2008 | DE102007023089A1 Method for quenching a heated metallic object comprises using an atomized liquid |
| 02/20/2008 | EP1889929A1 Steel members, method for heat treatment of the same, and process for production thereof |
| 02/20/2008 | EP1889927A1 Grain oriented electromagnetic steel sheet having excellent film adhesion and process for producing the same |
| 02/20/2008 | EP1888794A1 Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening |
| 02/20/2008 | CN201024194Y Continuous sheet material annealing device |
| 02/20/2008 | CN201024193Y Explorator device for guaranteeing gap for large scale rotary bearing ring raceway middle frequency quenching |
| 02/20/2008 | CN201024192Y Thin wall slim steel pipe deformation-proof composite automatic quenching device |
| 02/20/2008 | CN201024191Y Gas integral heat treatment device for large pressurized vessels |
| 02/20/2008 | CN201024190Y Cross piercing billet heating device |
| 02/20/2008 | CN201024189Y Internal-spraying vortex device for steel pipe |
| 02/20/2008 | CN201024188Y Heat treatment intermediate frequency induction salt liquid oven |
| 02/20/2008 | CN201024187Y Annealing oven middle spacer segment atmosphere separation device |
| 02/20/2008 | CN101127267A Amorphous nano crystal soft magnet alloy strip with surface insulation coating and its preparation method |
| 02/20/2008 | CN101126440A Differential device supporting structure, differential device component, method for manufacturing the differential device supporting structure and method for manufacturing the differential device comp |
| 02/20/2008 | CN101126387A Production process of high-purity plunger piston |
| 02/20/2008 | CN101126141A Meta-bainite steel and application of the same in railway |
| 02/20/2008 | CN101126120A Heat processing method for soft magnet core with lantern ring die |
| 02/20/2008 | CN101126119A 30Mn280 orbit square steel cold drawing deformation aging heat processing technique for large-scale port machine |
| 02/20/2008 | CN101126117A Laser impact processing method for hole structure |
| 02/20/2008 | CN101125402A Method for processing heat coiling spring whose spring wire diameter is 90 millimeter |
| 02/20/2008 | CN100370050C Guide and guard roller for guiding steel billet in high speed wire rolling machine and its making process |
| 02/20/2008 | CN100370038C Method and device for patenting steel wires |
| 02/20/2008 | CN100370037C Device for cooling and/or rinsing steel wires and/or tapes |
| 02/20/2008 | CN100369702C Method of manufacturing metallic products such as sheet by cold working and flash annealing |
| 02/19/2008 | CA2315169C A loader device for supporting parts for heat treatment in a furnace |
| 02/19/2008 | CA2308794C Tin-bearing free-machining steel |
| 02/18/2008 | CA2597880A1 Electrofused proppant, method of manufacture, and method of use |
| 02/14/2008 | WO2008018308A1 Method for quenching of steel member, quenched steel member, and agent for protecting quenched surface |
| 02/14/2008 | WO2008001410A3 Induction heating device of elements with complex shapes to provide a constant-depth surface hardening |
| 02/13/2008 | EP1885894A1 Method for the batch heat-treatment of annealing product |
| 02/13/2008 | CN201021456Y Clamp loop heat finalizing clamp |
| 02/13/2008 | CN201021455Y Novel residual heat utilization furnace |
| 02/13/2008 | CN101124344A High pressure heat treatment system |
| 02/13/2008 | CN101122055A Needle roller for carding machine and preparation method thereof |
| 02/13/2008 | CN101121995A Novel martensite system stainless steel material and its preparation method and application |
| 02/13/2008 | CN101121994A Cast steel for oil-well rig hoisting system and manufacturing method thereof |
| 02/13/2008 | CN101121993A Method for producing high abrasion-proof austenitic manganese steel hammer |
| 02/13/2008 | CN101121957A Link joint strengthening method for bicycle chain under weak carbon potential atmosphere |
| 02/13/2008 | CN101121956A Heat treatment method for using common carbon steel Q235 as link joint of bicycle chain |
| 02/13/2008 | CN101121955A Heat treatment method for increasing quenched steel component mechanical property by using carbon distribution and tempering |
| 02/13/2008 | CN101121954A H13 steel vacuum time-control quenching heat treatment technique |
| 02/13/2008 | CN101121178A Super plastic forming method for plate type heat converter special titanium plate |
| 02/13/2008 | CN100368596C Production technology of ceramic outer shell cover plate of crystal oscillator |
| 02/13/2008 | CN100368581C Toughening method for casting high-boron wear-resistant alloy |
| 02/13/2008 | CN100368580C High strength hot dip galvanized steel sheet, and its production method |
| 02/13/2008 | CN100368570C Heat treatment process of nanometer composite permanent magnetic RE material |
| 02/13/2008 | CN100368569C Strong malleableizing technique for tire mold and equipment |
| 02/07/2008 | WO2008015964A1 Sealing apparatus and strip plate continuously annealing equipment |
| 02/07/2008 | US20080029927 forming article to be heat treated, packing article to retain its shape, coating, encasing coated article in granular material and binding granular material together to form mold, heating encased article to first temperature to remove coating by melting, heating to second temperature to relieve stresses |
| 02/07/2008 | US20080029191 Apparatus and method for coil cooling |