Patents
Sitemap › C21 - Metallurgy of iron › C21D - Modifying the physical structure of ferrous metals; General devices for heat treatment of ferrous or non-ferrous metals or alloys; Making metal malleable by decarburisation, tempering, or other treatments › C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering
Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435)
11/2003
11/27/2003WO2003097263A1 Method and device for cooling steel sheet and method of manufacturing steel sheet
11/27/2003WO2003072842A3 Quenching device for two or more workpieces
11/27/2003US20030217991 Method of and apparatus for the electrical resistance heating of metallic workpieces
11/27/2003US20030217789 High temperature; toughness
11/27/2003US20030217511 Apparatus and method of generating a carburizing atmosphere
11/27/2003CA2483374A1 Rock drill product and method
11/26/2003EP1365037A1 High strength steel sheet having excellent formability and method for production thereof
11/26/2003EP1365035A1 Method of maintaining the steel lattice work of high tension masts
11/26/2003EP1242780B1 Pusher furnace rails with plate-shaped sliding supports and sliding shoes
11/26/2003EP0883779B1 Method and apparatus for containing and suppressing explosive detonations
11/26/2003CN1458870A Method of producing steel strips
11/26/2003CN1128888C Ultra-high strength ausaged steels with excellent cryogenic temp. toughness
11/26/2003CN1128887C Liquid and steam protected antioxidant heat treatment method and equipment
11/25/2003US6652681 Method of reheating metallurgical products
11/25/2003US6652672 Maximized compressive residual stress; durability
11/25/2003US6652671 Excellent in hardenability and toughness and formable with a high dimensional precision; tools, springs
11/25/2003US6652670 Steel sheet and method for manufacturing the same
11/20/2003WO2003096774A1 Plasma catalyst
11/20/2003WO2003096773A1 Plasma-assisted joining
11/20/2003WO2003096772A1 Plasma-assisted decrystallization
11/20/2003WO2003096771A1 Plasma generation and processing with multiple radiation sources
11/20/2003WO2003096770A1 Plasma-assisted coating
11/20/2003WO2003096768A1 Plasma assisted dry processing
11/20/2003WO2003096749A1 Plasma-assisted heat treatment
11/20/2003WO2003096747A2 Plasma heating apparatus and methods
11/20/2003WO2003096383A2 Cavity shapes for plasma-assisted processing
11/20/2003WO2003096382A2 Methods and apparatus for plasma processing control
11/20/2003WO2003096381A2 Plasma-assisted processing in a manufacturing line
11/20/2003WO2003096380A2 Plasma-assisted nitrogen surface-treatment
11/20/2003WO2003096370A1 Methods and apparatus for forming and using plasma jets
11/20/2003WO2003096369A1 Plasma-assisted gas production
11/20/2003WO2003095807A1 Plasma-assisted engine exhaust treatment
11/20/2003WO2003095699A1 Plasma-assisted enhanced coating
11/20/2003WO2003095591A1 Plasma-assisted doping
11/20/2003WO2003095130A1 Plasma-assisted sintering
11/20/2003WO2003095090A1 Plasma-assisted carburizing
11/20/2003WO2003095089A1 Plasma-assisted formation of carbon structures
11/20/2003WO2003095058A2 Plasma-assisted multi-part processing
11/20/2003US20030213535 Methods of manufacturing cold-rolled and hot-dip galvanized steel sheet excellent in strain age hardening property
11/20/2003CA2485195A1 Plasma catalyst
11/19/2003EP1363474A2 Inductive heating device of workpieces
11/19/2003CN1128568C Induction heating coil and induction heating device using the same
11/19/2003CN1128239C Manufacture of electric steel plate with high magnetic flux density orientation
11/18/2003US6648997 Immersing the hot metal object formed of steel in a suspension of an essentially insoluble inorganic particulate material in water
11/18/2003US6648995 Method of quenching workpiece with hole, assistive tool for use in quenching, and crankshaft
11/18/2003US6648991 Desulfurization and austenized steel for particularly in environments containing carbon dioxide
11/18/2003US6648209 Process for producing welded steel pipes with a high degree of strength, ductility and deformability
11/16/2003CA2427188A1 Low-contact-resistance interface structure between separator and carbon material for fuel cell, separator and carbon material used therein, and production method for stainless steel separator for fuel cell
11/13/2003US20030209049 Method and apparatus for flexible manufacturing a discrete curved product from feed stock
11/12/2003EP1361287A2 Device to treat metallic workpieces with cooling gas
11/12/2003EP1129224B1 Device and process for cooling metal components which were subjected to high temperatures
11/12/2003CN1455821A Sheet steel and method for producing thereof
11/12/2003CN1455005A Thermal treatment method of metal tube and said thermal treatment apparatus
11/11/2003US6644962 Heating furnace having heat regenerating burners and operation method thereof
11/11/2003CA2265576C Method and apparatus for heat treating and straightening structural members
11/06/2003WO2003091462A1 Vertical muffle type heat treating furnace
11/06/2003US20030205355 Method of producing steel strip
11/06/2003DE10243191C1 Cooling of hot metal strip after hardening, and especially sawbands, has a number of cooling zones with cooling pads under a protective gas and a final zone under atmospheric conditions
11/05/2003EP1359235A1 Thin steel sheet and method for production thereof
11/05/2003EP1359230A1 Production method for steel plate and equipment therefor
11/05/2003EP1359229A1 Device for surface hardening and tempering of metallic work pieces
11/05/2003EP1358963A1 Method for laser thermal processing, in particular hardening, of workpieces
11/05/2003EP1358359A2 Steel and method for producing an intermediate product
11/05/2003EP1201037B1 Method and device for cooling a metal strip
11/05/2003CN1126820C Multifunction apparatus for polarized laser quenching machine
11/04/2003US6641681 Steel having the following chemical composition in weigh-%: 1.0- 1.9 C, 0.5-2.0 Si, 0.1-1.5 Mn, 4.0-5.5 Cr, 2.5-4.0 (Mo+W/2), however max 1.0 W, 2.0-4.5 (V+Nb/2), however max 1.0. Nb, balance iron and impurities in normal amounts in the
10/2003
10/30/2003US20030202295 Side reading reduced GMR for high track density
10/30/2003US20030201584 Annealing apparatus
10/30/2003US20030201515 DC or AC electric field assisted anneal
10/30/2003US20030201205 Mixture of low viscosity, high viscosity oils; metal hardening; reduce quenchinh deformation
10/30/2003US20030201038 Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property
10/29/2003EP1356247A1 Support for parts to be heat treated in a furnace, and a heat treatment method for metal parts
10/29/2003EP1356128A2 Integrated metal processing facility
10/29/2003EP1356126A2 Process for the production of grain oriented electrical steel strips
10/29/2003EP1356125A1 Method for pre-treating a ring support prior to the alfin process
10/29/2003EP1355747A1 Method for altering the profile of a roller strip
10/29/2003CN1451768A Long chamber sealed heating tank for heat treatment
10/29/2003CN1125888C Processes for producing articles with stress free slit edges
10/29/2003CN1125882C Ultra high strength triple phase steels with excellent cryogenic temp toughness
10/28/2003US6639173 Electron beam welding method providing post-weld heat treatment
10/28/2003US6638380 Method for making a cold rolled steel strip for deep-drawing
10/28/2003US6638379 Crankshaft or camshaft, in which the bearing surfaces to be hardened are hardened sequentially with the shaft or axle turning around their longitudinal axis by means of a heating and quenching device, in which the distortion of the shafts or
10/23/2003WO2003087421A1 Steel for case hardening bearing excellent in toughness and rolling fatigue life in quasi-high temperature region
10/23/2003WO2002103065A3 Method for segmentation of digital images
10/23/2003US20030196776 Method for controlling a continuous strip steel casting process based on customer-specified requirements
10/23/2003US20030196735 Steel plate excellent in shape freezing property and method for production thereof
10/23/2003US20030196731 Method for manufacturing a steel sheet
10/22/2003EP1354967A1 Multi-layer heat treating furnace, heat treating device, and heat treating method
10/22/2003CN2581461Y Processor for laser reinforcing internal surface of tubular workpiece
10/22/2003CN1451053A Oil Compsition for heat treatment of gear and gear treated therewith
10/22/2003CN1450570A Nano crystal soft magnetic alloy superthin belt and mfg method thereof
10/22/2003CN1450179A Method for graded hardening or isothermal hardening utilizing fluidized bed
10/21/2003US6635126 Alloy comprising iron, carbon, cobalt, nickel, chromium, molybdenum, and vanadium; bearings, gears
10/21/2003US6635121 Method and apparatus for controlling the decarburization of steel components in a furnace
10/16/2003WO2003086020A2 Improvements to heating inductors, in particular of metal strips
10/16/2003WO2003085396A2 Device and method for controlling the composition of a gaseous atmosphere
10/16/2003WO2003085148A1 Low-thermal expansion alloy thin sheet and its manufacturing method
10/16/2003WO2003085142A1 Heat treating device, heat treating method, recording medium recording heat treating program and steel product
10/16/2003WO2003084687A1 Arrangement for cooling heat-treated wires
10/16/2003US20030195073 Pushing block for CVT belt and manufacturing method therefor
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