| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/02/2002 | CN1077278C Apparatus and method for removing oil from spiral tube |
| 01/02/2002 | CN1077148C Drawing stock for reinforcing plastic or rubber articles |
| 01/02/2002 | CN1077142C Process for production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 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 | WO2001098552A1 Thin steel sheet and method for production thereof |
| 12/27/2001 | WO2001047648A3 Method for controlling and/or regulating the cooling stretch of a hot strip rolling mill for rolling metal strip, and corresponding device |
| 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 |
| 12/26/2001 | CN1076762C Process for preparing aluminium alloy fastener and fastener |
| 12/26/2001 | CN1076761C Method for mfg. high strength and high formability hot-rolled transformation induced plasticity steel containing copper |
| 12/26/2001 | CN1076757C Method and device for cooling hot-rolled shaped material |
| 12/25/2001 | US6332714 Induction-hardened rolling bearing device |
| 12/25/2001 | US6332492 Method to control the axial position of slabs emerging from continuous casting and relative device |
| 12/20/2001 | WO2001096133A2 Vehicle structural beam and method of manufacture |
| 12/20/2001 | US20010053509 Workpiece support trays for furnaces |
| 12/19/2001 | EP1163377A2 A method of heating metal strip and apparatus therefor |
| 12/19/2001 | CN1327144A Method for safety working under control gas using heat processing room |
| 12/19/2001 | CN1327077A Fe-Ni alloy cathode cover semi-product with good etching perforation property and its preparing method |
| 12/19/2001 | CN1327074A Hardening method and device for steel rail |
| 12/19/2001 | CN1076404C Stainless steel wire and mfg. process |
| 12/18/2001 | US6331219 Form hot rolled steel rod into rings, conveying through cooling zone; embedding the rings in granular insulation material to reduce exposure to ambient air with a reduction in the development of surface scale; |
| 12/13/2001 | WO2001094044A1 Device and method for manufacturing soft metal tube |
| 12/13/2001 | US20010051080 Chemically coated fasteners having improved penetration and withdrawal resistance |
| 12/13/2001 | US20010050281 Apparatus for quenching metallic material |
| 12/13/2001 | US20010050212 Continuous treatment apparatus |
| 12/13/2001 | US20010050121 Bushing for crawler belt and method of manufacture |
| 12/13/2001 | US20010049977 Method of quenching workpiece with hole, assistive tool for use in quenching, and crankshaft |
| 12/13/2001 | US20010049956 Hot-rolled steel with very high elasticity limit and mechanical resistance usable in particular for auto parts production |
| 12/13/2001 | DE10034357C1 Apparatus, for hardening the surfaces which limit a recess between two teeth of a toothed wheel or a toothed rack, comprises an inductor for heating each surface, a quenching device |
| 12/13/2001 | DE10027542A1 Metal bellows strength raising process involves shotblasting bellows after deformation in at least one region of inner flap |
| 12/12/2001 | EP1162283A2 Friction stir grain refinement of structural members |
| 12/12/2001 | EP1162022A1 Electric joining method and apparatus and a joined unit of members |
| 12/12/2001 | EP1161315A1 Method and apparatus for densifying powder metal preforms |
| 12/12/2001 | EP0925377B1 Wear-resistant camshaft and method of producing the same |
| 12/12/2001 | EP0880422B1 Cutting die and method of making |
| 12/12/2001 | EP0724406B1 Process of manufacturing an aneurysm clip |
| 12/12/2001 | CN2464735Y Plane support convection board |
| 12/12/2001 | CN1326007A Bottom rollers of vertical heat treating furnace and furnace therewith |
| 12/11/2001 | US6329081 Stainless steel sheet material and manufacturing method thereof |
| 12/11/2001 | US6328829 Constrained hardening method and apparatus for deformed bar workpieces |
| 12/11/2001 | US6328826 Casting strip from liquid steel; hot-rolling said strip on-line in one or more passes; first forced cooling of strip; holding until bainitic transformation; interrupting transformation by second forced cooling of strip; coiling |
| 12/06/2001 | WO2001092801A1 Device and method for treating combustibles obtained from a thermal processing apparatus and apparatus employed thereby |
| 12/06/2001 | WO2001092593A1 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 12/06/2001 | WO2001092587A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same |
| 12/06/2001 | WO2001091916A1 Strand galvanizing line |
| 12/06/2001 | US20010047839 Uniform aperture diameter |
| 12/06/2001 | CA2410456A1 Hardened fe-ni alloy for making integrated circuit grids and method for making same |
| 12/05/2001 | EP1160471A2 Rolling bearing device |
| 12/05/2001 | EP1160342A1 Method for securing a controlled atmosphere heat treating chamber |
| 12/05/2001 | EP1160341A2 Process and apparatus for hardening rails |
| 12/05/2001 | EP1160108A1 Twist beam axle |
| 12/05/2001 | EP1003920B1 Method for producing a high-strength track element and track element thus obtained |
| 12/05/2001 | EP0816519B1 HOT ROLLED Cr-Ni STAINLESS STEEL PLATE OF LOW ANISOTROPY AND PROCESS FOR PRODUCING THE SAME |
| 12/05/2001 | CN2463397Y Long member heat treatment device |
| 12/05/2001 | CN1075838C Primary cooling method in continuously annealing steel strip |
| 12/04/2001 | US6325874 Cold forming flat-rolled high strength steel blank into structural member having uniform cross-sectional configuration along substantially entire length, whereby mechanical properties of tensile and yield strength remain same |
| 12/04/2001 | US6325867 Bearing made from alloy steel containing specified amount of carbon, subjected to carbonitriding and hardening heat treatments and grinding of grinding allowance portion, having specified nitrogen content and gradient in surface layer |
| 12/04/2001 | US6325866 Process for the production of grain oriented silicon steel sheet |
| 11/29/2001 | WO2001090433A2 SURFACE TREATMENT OF AUSTENITIC Ni-Fe-Cr-BASED ALLOYS |
| 11/29/2001 | WO2001090431A1 Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same |
| 11/29/2001 | WO2001090426A1 Method and device for induction hardening crankshafts |
| 11/29/2001 | WO2001047647A3 Method and device for cooling a hot-rolled metal strip leaving a roll stand |
| 11/29/2001 | US20010045024 Method of making safe a heat treatment enclosure operating under a controlled atmosphere |
| 11/29/2001 | DE10124740A1 Overriding clutch used in an I.C. engine comprises an outer element arranged around the inner element, a holder mounted between the inner and outer elements and provided with pockets, and gripping elements arranged in the pockets |
| 11/29/2001 | DE10026372A1 Laser processing of inner surface of cylindrical bore involves guiding beam over region of inner surface so separate, closed, axially separate laser alloy or laser coating tracks are produced |
| 11/29/2001 | DE10024459A1 Heating process used in a pusher-type furnace comprises pushing hot material separated by distance spacers through the furnace |
| 11/28/2001 | EP1158065A1 High-strength, high-toughness stainless steel excellent in resistance to delayed fracture |
| 11/28/2001 | EP1158064A1 Steel for large bearing and parts for large bearing |
| 11/28/2001 | EP1158059A1 Hearth rolls for a vertical heat treating furnace including a heating furnace and a soaking furnace and vertical furnace including the hearth rolls |
| 11/28/2001 | EP1157138A1 Cold rolled steel |
| 11/28/2001 | EP0950120B1 Process for the treatment of grain oriented silicon steel |
| 11/28/2001 | EP0925379B1 Age hardenable alloy with a unique combination of very high strength and good toughness |
| 11/28/2001 | EP0880423B1 Cutting die and method of forming |
| 11/28/2001 | CN1324278A Light alloy thread-forming screw and its prodn. method |
| 11/27/2001 | US6322747 Better hardness, toughness and reliability; used in automobiles, aircraft, industrial machinery |
| 11/27/2001 | US6322642 Forming components of pressure vessel from steel, quenching and tempering components before or after forming to obtain martensitic or martensitic-bainitic structure containing less stress-relieving; welding, heat treating |
| 11/27/2001 | CA2228808C Precision quenching apparatus and method with induction heating |
| 11/22/2001 | WO2001088216A1 Electroplating annealed thin sheets and method for producing the same |
| 11/22/2001 | US20010042575 Apparatus and method for suppressing growth of oxide film on coil |
| 11/22/2001 | US20010042393 Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coated |
| 11/22/2001 | DE10024990A1 Process for inductively hardening crankshafts comprises using the central axis of the connecting peg to be hardened as the axis for the rotational movement of the crankshaft |
| 11/21/2001 | EP1156127A2 Steel for high bearing pressure-resistant member, having high machinability, and high bearing pressure-resistant member using same steel |
| 11/21/2001 | EP1156126A1 Process for manufacturing an Fe-Ni alloy strip |
| 11/21/2001 | EP0909339B1 Method for processing billets from multiphase alloys |
| 11/20/2001 | US6318571 Loader device for supporting parts for heat treatment in a furnace |
| 11/20/2001 | CA2150396C A process for the preparation of cold rolled stainless steel strips and metal strips, more particularly of titanium alloys |
| 11/15/2001 | WO2001086009A1 Steel composition, method for making same and parts produced from said compositions, particularly valves |
| 11/15/2001 | WO2001085369A1 Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor |
| 11/15/2001 | US20010041137 Steam turbine rotor shaft |
| 11/15/2001 | US20010040020 Method to control the axial position of slabs emerging from continuous casting and relative device |
| 11/15/2001 | DE10021583A1 Assembly to carburize and harden steel workpiece charges has structured pressures in the transport tunnel and heating chambers and carburizing and quenching chambers to reduce energy costs |
| 11/14/2001 | EP1153146A1 Continuous furnace comprising a device for quenching workpieces and quenching method |
| 11/14/2001 | EP1153145A1 Steel band with good forming properties and method for producing same |
| 11/14/2001 | EP1152930A1 Wiper blade, especially flat bar wiper blade for vehicles |
| 11/14/2001 | EP0714991B1 Sealing device for outlet/inlet of controlled atmosphere heat treatment furnace |
| 11/14/2001 | CN1321780A Horizontal water spray quenching cooling equipment of cold-rolled roll |
| 11/13/2001 | US6316127 Galvanized steel sheet superior in ductility and process for production thereof |
| 11/13/2001 | US6315845 Method of straightening sectional steel while simultaneously minimizing the internal stresses thereof |
| 11/13/2001 | US6315844 Method for producing high-strength track element and track element thus obtained |