| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 08/02/2000 | EP1024205A2 Surface heat treatment of piston rings |
| 08/02/2000 | EP1024204A2 Method of manufacturing a high Mn non-magnetic steel sheet for cryogenic temperature use |
| 08/02/2000 | EP1023956A1 Method of heating and quenching a hollow metal member |
| 08/02/2000 | CN1055130C Enhancing process of concrete sleeper with high strength prestressed reinforced bar |
| 08/02/2000 | CN1055129C Die and quenching method of the same |
| 08/01/2000 | US6096146 High speed cooling; temperature equalization in air; compaction; crystallization |
| 08/01/2000 | US6095692 Durability; abrasion resistance, corrosion resistance; pitting resistance |
| 08/01/2000 | US6095266 Drill rod and method for its manufacturer |
| 08/01/2000 | US6094957 Method for bending difficult-to-work metallic wire and method for shaping coil section thereof |
| 08/01/2000 | CA2129007C High strength steel sway bars and method of making |
| 07/26/2000 | EP1022474A1 Chemically coated fasteners having improved penetration and withdrawal resistance |
| 07/26/2000 | EP1022347A1 Method for producing raw plate for surface treatment plate for can using continuous annealing |
| 07/26/2000 | EP1022346A1 Nails having selected heat treatment and hardening |
| 07/26/2000 | EP1021572A1 Hot rolling high-strength steel structural members |
| 07/26/2000 | CN1261408A Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and manufacture thereof |
| 07/26/2000 | CN1054886C Method of controlling treatment conditions of metal strips in a continuous furnace and control system for effecting same |
| 07/26/2000 | CN1054884C Method and apparatus for producing hot rolled wide steel belt |
| 07/25/2000 | US6093367 Automatic plant for thermal treatment of metals, in particular steel |
| 07/25/2000 | US6093268 Corrective tempering method for rolling elements |
| 07/25/2000 | US6093267 Tire having circumferential cables for anchoring the carcass and process of preparing such cables |
| 07/25/2000 | US6093263 Soft nitrided gear and method of fabricating the same |
| 07/25/2000 | US6092586 Method and arrangement for producing hot-rolled steel strip |
| 07/25/2000 | US6092389 High rate cooling furnace for metal strips |
| 07/20/2000 | WO2000042228A1 Cold rolled steel |
| 07/20/2000 | CA2359818A1 Cold rolled steel |
| 07/19/2000 | EP1020536A1 Screws having selected heat treatment and hardening |
| 07/19/2000 | EP1019550A1 Method for determining and controlling material flux of continuous cast slabs |
| 07/19/2000 | CN1260450A Locally heat-treated and hardened screw |
| 07/19/2000 | CN1054651C Multicomponent alloyed cast and forged wear-resisting, corrosion-resisting and high-toughness grinding balls and its production method thereof |
| 07/19/2000 | CN1054643C Seal assembly for heat treatment furnace using atmospheric gas containing hydrogen gas |
| 07/19/2000 | CN1054642C Heat treatment method for steel rail |
| 07/18/2000 | US6090230 Simultaneously cooling interior and exterior of martensitic stainless steel pipe at same rate with flowing coolant water while rotating pipe around its longitudinal axis |
| 07/18/2000 | US6090229 Low anisotropic Cr-Ni-based hot rolled stainless steel sheet and process for its production |
| 07/18/2000 | US6089067 Furnace coiler |
| 07/18/2000 | US6088930 Convection-radiation system for heat treatment of a continuous strip |
| 07/18/2000 | CA2184015C High strength steel strand for prestressed concrete and method for manufacturing the same |
| 07/13/2000 | WO2000040766A1 Strip guiding device comprising a rotatable construction for changing supporting rolls having cooling means |
| 07/13/2000 | WO2000040765A1 Steel band with good forming properties and method for producing same |
| 07/13/2000 | DE19900710A1 Steel article, especially a cutting, sawing or machining tool, is hardened by locally quench hardening and then exposing to a magnetic field |
| 07/13/2000 | CA2357663A1 Steel band with good forming properties and method for producing same |
| 07/13/2000 | CA2292166A1 Chemically coated fasteners having improved penetration and withdrawal resistance |
| 07/12/2000 | EP1018562A1 Device and method for opening and closing automatically the cover of a quenching tank |
| 07/12/2000 | CN1259888A Metal strip prodn. |
| 07/12/2000 | CN1259582A Method for mfg. cold rolled shadow mask steel sheet using pack annealing technology |
| 07/12/2000 | CN1259581A Method for cold rolling thin and inner shield cover steel plate having excillent magnetic field shield property |
| 07/11/2000 | US6086685 Profiled rolling stock and method for manufacturing the same |
| 07/11/2000 | US6086305 Nails having selected heat treatment and hardening |
| 07/06/2000 | WO2000039349A1 Method for hardening and tempering steel strips |
| 07/06/2000 | DE19860472A1 Verfahren zum Vergüten von Stahlbändern A method of tempering steel strips |
| 07/05/2000 | EP1015653A1 Metallurgical vessel |
| 07/05/2000 | EP1015645A1 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding |
| 07/05/2000 | EP1015151A1 Method and apparatus for manufacturing coil springs |
| 07/05/2000 | EP0756643B1 Method for mitigating residual stresses in welded metal components using high torch travel speeds |
| 07/05/2000 | CN1054163C Cast steel roll and its heat treatment method |
| 07/04/2000 | US6083454 Apparatus and method for making uniformly sized and shaped spheres |
| 06/29/2000 | WO2000037701A1 Rolling bearing |
| 06/29/2000 | WO2000037190A1 Method for manufacturing of strips of stainless steel and integrated rolling mill line |
| 06/29/2000 | DE19858582A1 Heat treatment installation, especially for case hardening metal workpieces, has a manipulator between rotary hearth furnaces for selective work pallet transfer from a furnace to a further treatment station |
| 06/29/2000 | DE19858073A1 Verfahren zur Erzeugung von dünnen Warmbändern aus Stahl mit verbesserter Tiefziehfähigkeit A process for producing thin hot-rolled strip of steel with improved drawability |
| 06/28/2000 | EP1013780A1 Spring steel superior in workability |
| 06/28/2000 | EP1011464A1 Systems for percutaneous bone and spinal stabilization, fixation and repair |
| 06/28/2000 | CN1257937A Nm-class crystal alloy-iron core for precise current transformer and its making method |
| 06/28/2000 | CN1053926C Method and apparatus for heat treatment of gas cylinder of IC engine |
| 06/27/2000 | US6079293 Push rod ball |
| 06/22/2000 | WO2000036164A1 Wear resistant dimensionally stable bearing component for high temperature applications |
| 06/22/2000 | WO2000036163A1 Carrier substrate |
| 06/22/2000 | WO2000036162A1 Method for producing thin hot-rolled steel strips with improved deep-drawing qualities |
| 06/21/2000 | EP1010766A2 Process for continuous heating and cleaning of wire and strip products in a stratified fluidized bed |
| 06/21/2000 | EP1009580A1 Method and device for treating the surfaces of component bores |
| 06/21/2000 | DE19915264C1 Hollow workpiece, especially a vehicle transmission component e.g. a joint housing, is induction surface hardened by lowering an inductor and an overhead quench nozzle relative to the workpiece wall |
| 06/21/2000 | CN2383846Y Special heat treatment furnace conveyer belt for elastic elements |
| 06/21/2000 | CN2383845Y Multi-layer conveying type heat treatment furnace |
| 06/21/2000 | CN1257130A Continuous heating and cleaning method in layered fluidized-bed for metal filament and band products |
| 06/20/2000 | US6077475 Arrangement and process for the inductive hardening of profiled camshafts |
| 06/15/2000 | DE19908715C1 Surgical nail for fastening bones comprises thin-walled tube with ribs |
| 06/15/2000 | DE19856191A1 Verfahren und Vorrichtung zur Wärmebehandlung von Teilen Method and apparatus for heat treatment of parts |
| 06/14/2000 | EP1008661A2 Installation for treating a continuously conveyed metal strip along a principal direction of transportation |
| 06/14/2000 | EP1007242A4 Method of manufacturing a component |
| 06/14/2000 | EP1007242A1 Method of manufacturing a component |
| 06/14/2000 | CN1053475C Bacteria culturing device for microbe-preoxidation gold-lixiviating tech. |
| 06/13/2000 | US6074765 Enhancing wearability and durability of a steel rod consists of carbon, maganese, silicon, chromium, molybdenum and iron with the proviso that a combination of carbon, molybdenum and chromium within the specific range provide non-bainitic core |
| 06/13/2000 | US6074601 Quench hardening jig for a cylindrical work piece |
| 06/13/2000 | US6074496 High-strength oil-tempered steel wire with excellent spring fabrication property and method for producing the same |
| 06/13/2000 | US6074493 Method of continuously carburizing metal strip |
| 06/08/2000 | WO2000032350A1 Improved welding method for joining dissimilar steel workpieces |
| 06/08/2000 | DE19854675A1 Hot rolled metal strip cooling line, especially for wide strip, has individually regulated coolant delivery nozzles distributed across the strip width |
| 06/07/2000 | EP1006330A2 Pipe moving method, apparatus and system |
| 06/07/2000 | EP1006203A1 Can steel strip and method of producing can steel strip |
| 06/07/2000 | EP1006202A2 Process and device for heat treating workpieces |
| 06/07/2000 | EP0693570B1 Bainite rod wire or steel wire for wire drawing and process for producing the same |
| 06/07/2000 | EP0674720B1 Cold formed high strength steel parts |
| 06/07/2000 | CN1255949A Bainite type rail excellent in surface fatigue damage resistance and wear resistance |
| 06/07/2000 | CN1255452A Pipe fitting shifting method, its appts. and system |
| 06/07/2000 | CN1053224C Quenching agent for steel wire |
| 06/07/2000 | CN1053223C Heat treating method for ensembled large size spherical tank |
| 06/06/2000 | US6072617 Micro mechanical device with memory metal component |
| 06/06/2000 | US6071358 Rolling member and rolling device comprising the same |
| 06/06/2000 | CA2121923C Gear making process |
| 06/02/2000 | WO2000030780A1 Arrangement in connection with cooling equipment for cooling billets |
| 06/02/2000 | WO1999022038A9 Induction hardening apparatus for a crankshaft |