| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 03/12/2003 | EP1291445A1 Steel material production method |
| 03/12/2003 | EP1290237A1 Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools |
| 03/12/2003 | CN1401795A Continuous staged or isothermal quenching cooling apparatus |
| 03/12/2003 | CN1401794A Apparatus and method for measuring medium flow velocity in industrial quenching bath |
| 03/12/2003 | CN1401793A Bioriented silicon steel vaccum annealing process |
| 03/12/2003 | CN1401792A Large alloy steel member water quenching layer built self-tempering process |
| 03/12/2003 | CN1401457A Method for laser compound treating surface of friction pair |
| 03/11/2003 | US6531005 Heat treatment of weld repaired gas turbine engine components |
| 03/06/2003 | US20030041933 Method for making a multiphase hot-rolled steel strip |
| 03/05/2003 | CN2538808Y Plate band quenching cold-controlled upper/lower collectors |
| 03/05/2003 | CN1401069A Means and method for heating |
| 03/05/2003 | CN1400318A Heat treatment furnace and its temp.-controlling method |
| 03/05/2003 | CN1102663C Box-type annealing furnace and metal-board annealing method using same, and annealed metal board thereof |
| 03/04/2003 | US6527884 Hydrogen annealing process and apparatus therefor |
| 03/04/2003 | US6527883 Containing 0.82 mass % of C, 1.05 mass % of Si, 0.51 mass % of Mn and 0.09 mass % of Cr to be worked into steel wires of pearlite structure |
| 03/04/2003 | US6527878 Heating a casting material into a semi-molten state in which a solid phase and a liquid phase coexist, filling the semi-molten casting material into a casting mold, and solidifying the semi-molten casting material under pressure |
| 02/27/2003 | WO2003016582A2 Method for increasing the dynamic stability under load of a toothed structural component |
| 02/27/2003 | US20030040401 Toroidal continuously variable transmission and manufacturing method thereof |
| 02/27/2003 | US20030039574 For metallurgy; corrosion resistance; wear resistance; for use in medical engineering (prostheses, implants, medical tools) |
| 02/27/2003 | US20030038122 Laser annealing apparatus and semiconductor device manufacturing method |
| 02/27/2003 | US20030037849 Heating surface layers of steel parts with a high frequency or ultra-high frequency to generate difference in temperature between surface layers and interiors of the parts, the heating effective for causing distortion in lattices |
| 02/26/2003 | EP1285972A1 Process for hot-dip galvanising of high-strength steel strips |
| 02/26/2003 | EP1285719A1 Method for making wear-resistant surface layers using laser |
| 02/26/2003 | EP1285101A1 Electroplating annealed thin sheets and method for producing the same |
| 02/26/2003 | EP1285098A1 Method and device for induction hardening crankshafts |
| 02/26/2003 | EP1284924A1 Gas generator and method for generating a treatment gas, which contains co and h 2?, for heat treating metallic material |
| 02/26/2003 | CN1399501A Induction heater |
| 02/26/2003 | CN1398992A Clean isothermal quenching or stepwise quenching process |
| 02/26/2003 | CN1102180C Wire materials with high drwable property and manufacture thereof |
| 02/25/2003 | US6524036 Method for influencing the behavior of swarf flow on tool surfaces |
| 02/25/2003 | US6523676 Continuous treatment apparatus |
| 02/19/2003 | CN1398291A Hot rolling process for rolling aluminium and aluminium alloys sheets |
| 02/19/2003 | CN1101926C Annealing base for hood-type annealing furnaces |
| 02/19/2003 | CN1101856C Formed rolled piece and mfg. method thereof |
| 02/18/2003 | US6520868 Steel alloy which contains maximum amounts of 0.03% of C by weight, 0.20.6% of Si by weight, maximum amounts of 0.15% of Mn by weight, maximum amounts of 0.03% of P by weight, maximum amounts of 0.03% of S weight, maximum amounts of 0.15% of Mn, |
| 02/13/2003 | WO2003012151A1 Method for cooling work pieces especially shape-rolled products from rail steel |
| 02/13/2003 | WO2003011493A1 Method and apparatus for distorting a workpiece |
| 02/13/2003 | WO2002019773A1 Device for inductively heating metallic strips |
| 02/13/2003 | CA2419558A1 Device for inductively heating metallic strips |
| 02/12/2003 | EP1283277A1 Steel having excellent properties of workability by machine tools and, after a hardening thermal treatment, excellent mechanical properties and process for the production thereof |
| 02/12/2003 | CN1396297A High-temp quenching ageing or isothermal quenching technology for gas nitrizing |
| 02/12/2003 | CN1396275A Laser heat treating technology for spiral threads of oil pipe and its connection hoop |
| 02/12/2003 | CN1396274A Quenching equipment and quench method |
| 02/12/2003 | CN1396040A Technology for making cutting tool with high-speed steel and low-carbon steel |
| 02/11/2003 | US6517955 High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof |
| 02/11/2003 | US6517771 Superadiabatic combustion generation of reducing atmosphere for metal heat treatment |
| 02/11/2003 | US6517644 Rolling bearing and method manufacturing the same |
| 02/11/2003 | US6517079 Gas seal for continuous thermal treatment facilities operated with a protective gas atmosphere |
| 02/11/2003 | CA2297469C High strength spring steel |
| 02/06/2003 | US20030027095 Heating furnace with regenerative burners and method of operating the heating furnace |
| 02/05/2003 | EP1281783A1 Stainless steel for ozone added water and manufacturing method thereof |
| 02/05/2003 | EP1131170B1 Method and device for reducing the formation of scales on rolling stock |
| 02/05/2003 | CN1395624A Steel plate to be precipitating Tin+CuS for welded structures, method for mfg the same, welding fabric using the same |
| 02/05/2003 | CN1394970A Tail end quenching equipment of medium-high hardenability steel and hardenability testing method |
| 02/05/2003 | CN1394969A Laser surface hardening process of gear |
| 02/04/2003 | US6514455 Heating apparatus of a workpiece of distorted shape, and a quenching apparatus for simultaneous operation of multiple cams and a quenching method for the same |
| 01/30/2003 | WO2003008653A1 Oil composition for heat treatment of gear and gear treated therewith |
| 01/30/2003 | US20030020214 Vacuum carburizing with unsaturated aromatic hydrocarbons |
| 01/30/2003 | US20030019851 Method and structure for forming metallic interconnections using directed thermal diffusion |
| 01/30/2003 | US20030019850 Surface modification process on metal dentures, products produced thereby, and the incorporated system thereof |
| 01/30/2003 | US20030019551 Reacting a hydrocarbon with oxygen to produce hydrogen and exposing metal to hydrogen; metal working |
| 01/30/2003 | US20030019550 Medium carbon steel sheet and strip having enhanced uniform elongation and method for production thereof |
| 01/30/2003 | US20030019549 Low-alloy carbon steel for the manufacture of pipes for exploration and the production of oil and/or gas having an improved corrosion resistance, a process for the manufacture of seamless pipes, and the seamless pipes obtained therefrom |
| 01/30/2003 | DE29522404U1 Producing inert gas atmosphere - by converting hydrocarbon gas e.g natural gas or propane, and air with uniformly heated catalyst |
| 01/29/2003 | EP1208243B1 Method for hardening at least one surface of a component wall and a device for carrying out said method |
| 01/29/2003 | EP0763603B1 Sealing device for zone outlet/inlet of atmosphere equipment |
| 01/29/2003 | CN1100151C Method for heat-treating hollow cylindrical workpiece |
| 01/28/2003 | US6511559 Process for producing wear-resistant edge layers in precipitation-hardenable materials |
| 01/23/2003 | WO2003007316A2 Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 01/23/2003 | US20030015571 Method for continuous high-speed welding of double-ply metal tubes and welding furnace for performing the same |
| 01/23/2003 | US20030015263 A cold-rolled steel sheet having excellent strain age hardenability comprising, by mass %, carbon 0.15%, silicon 1.0% or less, manganese 2.0% or less, sulfur 0.01 or less, aluminum 0.005 to 0.030% and nitrogen 0.0050 to 0.0400%, |
| 01/23/2003 | DE10123852C1 Verfahren zur Laserbearbeitung, insbesondere zum Laserlöten und/oder Laserschweissen, von Teilen mit hoher Reflektivität A method for laser machining, in particular for laser brazing and / or laser welding, of parts with high reflectivity |
| 01/22/2003 | EP1277845A1 Quenching method |
| 01/22/2003 | EP1277238A2 Device and method for tempering several process goods |
| 01/22/2003 | EP1276915A1 Rolling bearing component |
| 01/22/2003 | EP1191116A4 Austenic steel |
| 01/22/2003 | EP0750170B1 Non-oxidizing heating method and apparatus therefor |
| 01/22/2003 | CN1392342A Method for producing compressor base plate |
| 01/21/2003 | US6508976 Apparatus for generating an artificial atmosphere for the heat treating of materials |
| 01/16/2003 | WO2003004708A1 Method for strengthening a steel channel member |
| 01/16/2003 | WO2003004232A1 Method for increasing the shearing resistance in disk chipper knife mounting clamps and a disk chipper equipped with such knife mounting clamps |
| 01/16/2003 | US20030010414 Steel with improved impact penetration resistance and method for producing the same |
| 01/15/2003 | EP1275745A1 Low-alloy heat-resistant steel, process for producing the same, and turbine rotor |
| 01/15/2003 | EP1275740A1 Heating furnace with regenerative burners and method of operating the heating furnace |
| 01/15/2003 | EP1274868A1 Method for the production of a part of a rolling bearing |
| 01/15/2003 | CN1390960A Production method for cryogenic weldable ultrahigh-strength steel plates with good toughness |
| 01/15/2003 | CN1390959A Heat treating method for hot die steel made of chromium interalloy |
| 01/15/2003 | CN1098936C High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof |
| 01/14/2003 | US6506270 Quenching the steel, cooling the steel at a cooling rate of 1 to 10 degrees C./min., holding the steel article at the cooling temperature for a predetermined period of time and recovering an austenitic-free product |
| 01/14/2003 | US6506048 Apparatus and method for transferring heat treated parts |
| 01/14/2003 | CA2090344C Process to prevent the formation of adhesives when annealing steel band |
| 01/09/2003 | WO2003002287A1 Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus |
| 01/09/2003 | US20030005986 Ultra-high strength cold rolled steel sheet and method for manufacturing the same |
| 01/09/2003 | US20030005985 Method for strengthening a steel channel member |
| 01/08/2003 | EP1273670A1 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
| 01/08/2003 | EP1042517B1 Loading device for supporting parts to be thermally treated in a furnace |
| 01/08/2003 | EP1034314B1 Device for electro-inductive hardening of bearing surfaces and transition radii in crankshafts |
| 01/08/2003 | CN1389879A Heat treatment furnace in magnetic field and heat treatment method thereof |
| 01/08/2003 | CN1098369C Cold work steel |
| 01/08/2003 | CN1098359C Ultra-high strength and phase steel with excellent cryogenic temperature toughness, and method for manufacturing the same |