| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
|---|
| 02/19/2002 | US6348109 Steel material and method for its manufacturing |
| 02/14/2002 | WO2002012813A1 Hot air blow type fluidized bed furnace, rotary type heat treatment furnace, heat treatment device, and heat treatment method |
| 02/14/2002 | WO2002012591A1 Method and device for plasma treatment of moving metal substrates |
| 02/14/2002 | US20020017747 Rolls for disposing at entry side or exit side of quenching zone of continuous annealing furnace and quenching zone unit using rolls |
| 02/14/2002 | US20020017746 Gas-heated carburizing equipment |
| 02/14/2002 | US20020017374 Method and apparatus for the direct production of scale-free thin metal strip |
| 02/14/2002 | US20020017345 Heat treatment method of steel |
| 02/14/2002 | US20020017344 Method of quenching alloy sheet to minimize distortion |
| 02/14/2002 | US20020017343 Power transmission shaft |
| 02/14/2002 | DE10037363A1 Iron-based cast alloy used as a rolling material contains alloying additions of aluminum, boron, chromium, calcium, cobalt, manganese, molybdenum, niobium, tantalum, phosphorus, sulfur, silicon, titanium, vanadium, tungsten and zirconium |
| 02/14/2002 | CA2423138A1 Method and device for plasma treatment of moving metal substrates |
| 02/13/2002 | EP1179603A2 Method to produce grain-oriented electrical steel sheet having high magnetic flux density |
| 02/13/2002 | CN1079117C Ready-to-use metal wire and method for producing the same metal wire |
| 02/12/2002 | US6346690 Induction heating system with a flexible coil |
| 02/07/2002 | WO2002010599A2 High speed angular contact ball bearing |
| 02/07/2002 | WO2002009905A1 Method and device for hardening a metal component by plasma pulse technology |
| 02/07/2002 | WO2001066806A8 Method of preventing nitridation or carburization of metals |
| 02/07/2002 | WO2001064963A3 Superadiabatic combustion generation of reducing atmosphere for metal heat treatment |
| 02/07/2002 | US20020014291 Used as driven gear of an arm type window regulator device for a vehicle, which is driven by a drive gear driven by a motor, surface hardness |
| 02/07/2002 | DE10036163A1 Verfahren und Vorrichtung zur Erzeugung eines CO- und H¶2¶-haltigen Behandlungsgases für die Wärmebehandlung von metallischem Gut sowie Wärmebehandlungsanlage Method and apparatus for generating a CO and H¶2¶-containing treatment gas for heat treatment of metallic material and heat treatment plant |
| 02/06/2002 | EP1178313A2 Method of estimating the fatigue strength of high tensile strength steel and method of producing a high fatigue strength material |
| 02/06/2002 | EP1178134A1 Process and apparatus for the continuous plasma treatment of metallic substrates |
| 02/06/2002 | EP1178126A1 Bar or wire product for use in cold forging and method for producing the same |
| 02/06/2002 | EP1178122A2 Procedure for determining the oxidation potential of gaseous atmospheres with respect to metal/metaloxides |
| 02/06/2002 | EP1177709A1 Induction heat treatment of complex-shaped workpieces |
| 02/06/2002 | CN1334356A Pitting-resistant double phase stainless steel alloy having improved machinability |
| 01/31/2002 | WO2002008472A1 Method and device for producing treatment gas containing co and h2 for the heat treatment of metallic material and heat treatment system |
| 01/31/2002 | US20020011486 Transverse flux induction heating device with magnetic circuit of variable width |
| 01/31/2002 | US20020011286 To be used with a painted film in coastland or cold district where steel structures are subjected to salt damage by airborne salt or deicing salt (as an antifreezing agent scattered on the road) |
| 01/31/2002 | US20020011285 Ferritic heat-resistant steel and method for producing it |
| 01/31/2002 | US20020011283 Used for sharp curves of a high-axle load railroad |
| 01/31/2002 | DE10062282A1 Wärmebeständiger Stahlguss und Verfahren zu seiner Herstellung Heat-resistant cast steel and method for its manufacture |
| 01/31/2002 | DE10033644A1 Verfahren und Vorrichtung zum Abkühlen von durch Warmverformen erzeugten, metallischen Langprodukten Method and apparatus for cooling produced by thermoforming, metallic long products |
| 01/30/2002 | CN2474561Y Laser surface fused railway rail |
| 01/29/2002 | US6341955 Sealing apparatus in continuous heat-treatment furnace and sealing method |
| 01/24/2002 | WO2002006539A1 Method and device for hardening surfaces on components |
| 01/24/2002 | WO2001081644A8 Austenic steel |
| 01/24/2002 | WO2001055470B1 Modified low temperature case hardening processes |
| 01/24/2002 | US20020010504 Tubular stent with oval struts |
| 01/24/2002 | US20020007871 High-strength heat-resistant steel, process for producing high-strength heat-resistant steel, and process for producing high-strength heat-resistant pipe |
| 01/24/2002 | DE10034421A1 Inductor used for inductively hardening workpieces comprises inductor heads detachedly connected together by an electrical conductor arrangement |
| 01/24/2002 | DE10031681A1 Heating a flat material comprises directing a convection heat stream onto the surface of the material so that one surface includes a specified angle |
| 01/23/2002 | EP1173624A1 Method for hardening ring-shaped grooves by means of laser beams |
| 01/23/2002 | EP1015645B1 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding |
| 01/23/2002 | CN2473217Y Furnace bottom structure of annealing furnace for nodular cast iron pipe |
| 01/23/2002 | CN1332255A Reinforcing laser treatment for surface of cast steel roll |
| 01/23/2002 | CN1078256C Process for producing grain-orientated magnetic steel sheet |
| 01/23/2002 | CN1078253C Process for preparing heat treatment atmosphere and control method thereof |
| 01/23/2002 | CN1078252C Production method of heat-treated member |
| 01/23/2002 | CN1078251C Small steels on-line magnetic field heat treatment process after hot rollod of them |
| 01/23/2002 | CN1078113C Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained |
| 01/22/2002 | US6340400 Stainless steel |
| 01/17/2002 | WO2002004168A1 Method and apparatus for flexible manufacturing a discrete curved product from feed stock |
| 01/17/2002 | WO2002004145A2 Method and apparatus for the direct production of scale-free thin metal strip |
| 01/17/2002 | DE10127388A1 Verfahren zum Abschrecken eines ein Loch aufweisenden Werkstücks, Hilfswerkzeug zur Verwendung beim Abschrecken und Kurbelwelle A method for quenching a workpiece having a hole, auxiliary tool for use in quenching and crankshaft |
| 01/17/2002 | DE10032411A1 Calculating redox potential of gases, relates oxygen partial pressure at known temperature to corresponding value in contact with metal-metal oxide system |
| 01/17/2002 | DE10032313A1 Schraubenfedern aus legiertem Stahl und Verfahren zum Herstellen solcher Schraubenfedern Coil springs made of alloy steel and methods for making such coil springs |
| 01/16/2002 | EP1172454A1 Formed member made of steel sheet and method for producing same |
| 01/16/2002 | EP1172448A2 Process and device for cooling hot formed elongated metal products |
| 01/16/2002 | EP1171640A2 Method and device for hardening surfaces of a crankshaft or camshaft |
| 01/16/2002 | EP1027467B1 Method for manufacturing high carbon sintered powder metal steel parts of high density |
| 01/16/2002 | EP1007745B1 Metallurgical method for processing nickel- and iron-based superalloys |
| 01/16/2002 | CN2472174Y Oil bath furnace with direct bottom heating |
| 01/16/2002 | CN1331758A Ultra-high strength triple phase steels with excellent cryogenic temp toughness |
| 01/16/2002 | CN1331757A Ultra-high strength ausaged steels with excellent cryogenic temp. toughness |
| 01/15/2002 | US6338763 Steel wire for high-strength springs and method of producing the same |
| 01/10/2002 | WO2002003003A1 Heat exchange method |
| 01/10/2002 | WO2002002840A1 Coil spring from an alloy steel and method for producing such coil springs |
| 01/10/2002 | WO2002002829A1 Austempered gray iron cylinder liner and method of manufacture |
| 01/10/2002 | DE10032082A1 Device for processing inner surface of cylindrical bore has laser beam deflection optics with at least one focusing lens in beam path of deflection optics after deflection mirror |
| 01/09/2002 | EP1169486A1 Method of producing a hot-rolled strip |
| 01/09/2002 | EP1169485A2 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 01/09/2002 | EP1082468B1 A method of hydroforming a blank |
| 01/09/2002 | CN1330762A Combination conduction/convection furnace |
| 01/09/2002 | CN1329970A Positioner for clamping workpiece |
| 01/08/2002 | US6336980 Method for in-line heat treatment of hot rolled stock |
| 01/08/2002 | US6336809 Combination conduction/convection furnace |
| 01/03/2002 | WO2002000947A1 Method for making a high resistance and high formability cole rolled steel strip |
| 01/03/2002 | WO2002000378A1 Method of production of surface densified powder metal components |
| 01/03/2002 | US20020000267 Machine structural steel contains carbide precipitated under a heat treatment for spheroidizing |
| 01/03/2002 | DE10021148A1 Production of wear resistant surfaces on components made of aluminum-silicon alloys comprises introducing thermal energy to the surfaces to be processed, and honing the surface in such a way that the silicon carbides are exposed |
| 01/02/2002 | EP1167561A2 Carburizing and carbonitriding steel |
| 01/02/2002 | EP1167553A1 Rolls for disposing at entry side or exit side of quenching zone of continuous annealing furnace and quenching zone unit using rolls |
| 01/02/2002 | EP1167552A2 A fixturing device for holding a workpiece |
| 01/02/2002 | EP1167551A1 Sub-zero heat treatment method of steel |
| 01/02/2002 | EP1167550A2 Cooling gas injection nozzle for a vacuum heat treating furnace |
| 01/02/2002 | EP1167549A1 Gas quenching chamber |
| 01/02/2002 | EP1167548A2 Process and device for determining the cooling effect of a circulating gas atmosphere on workpieces |
| 01/02/2002 | CN1329677A Processes for producing articles with stress-free slit edges |
| 01/02/2002 | CN1329175A Gas quenching furnace |
| 01/02/2002 | CN1328904A Impulse current modification method of hand saw blade |
| 01/02/2002 | CN1077148C Drawing stock for reinforcing plastic or rubber articles |
| 01/02/2002 | CN1077141C Process for production of steel component |
| 01/01/2002 | US6335506 Laser hardened steel cutting rule |
| 01/01/2002 | US6334770 Fluid-fuel furnace burner for iron and steel products |
| 01/01/2002 | US6334751 Air lock |
| 12/27/2001 | WO2001055470A3 Modified low temperature case hardening processes |
| 12/27/2001 | WO2001048437A8 Method and apparatus for the destruction of suspected terrorist weapons by detonation in a contained environment |
| 12/27/2001 | US20010054460 Using a rising flow of gas bubbles generated in situ in a uniformly distributed way at the base of the liquid bath. |
| 12/27/2001 | CA2351744A1 Rolls for disposing at entry side or exit side of quenching zone of continuous annealing furnace and quenching zone unit using rolls |