| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 08/02/2000 | CN1055129C Die and quenching method of the same |
| 08/02/2000 | CN1055128C Argon employing heat treating process |
| 08/01/2000 | US6097012 Induction-heating bender |
| 08/01/2000 | US6096262 Martensitic heat resisting steel |
| 08/01/2000 | US6096146 High speed cooling; temperature equalization in air; compaction; crystallization |
| 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 |
| 07/27/2000 | WO2000043555A1 Process of the production of high-carbon cast steels intended for wearing parts |
| 07/27/2000 | WO2000009773A3 Selective case hardening processes at low temperature |
| 07/26/2000 | EP1022474A1 Chemically coated fasteners having improved penetration and withdrawal resistance |
| 07/26/2000 | EP1021572A1 Hot rolling high-strength steel structural members |
| 07/26/2000 | CN1054885C Method for producing grain-oriented electrical steel sheet having mirror surface and improved core loss. |
| 07/26/2000 | CN1054884C Method and apparatus for producing hot rolled wide steel belt |
| 07/25/2000 | US6093303 Low temperature case hardening processes |
| 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 | US6092389 High rate cooling furnace for metal strips |
| 07/25/2000 | CA2177428C Atmospheres for extending life of wire mesh belts used in sintering powder metal components |
| 07/19/2000 | EP1019561A1 Method and device for joint oxydation and heat treatment of workpieces |
| 07/19/2000 | EP1019549A1 Pitting resistant duplex stainless steel alloy with improved machinability |
| 07/19/2000 | CN1054642C Heat treatment method for steel rail |
| 07/18/2000 | US6090225 Process for manufacturing a carburized or carbonitrided steel component, and steel for the manufacture of this component |
| 07/18/2000 | US6088930 Convection-radiation system for heat treatment of a continuous strip |
| 07/13/2000 | WO2000040764A2 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 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 | CA2353984A1 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 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 | EP1017862A1 Method for producing ultra-high strength, weldable steels with superior toughness |
| 07/12/2000 | EP0699242B1 A method of heat treating metal with liquid coolant containing dissolved gas |
| 07/11/2000 | US6087277 Window shutter for laser annealing |
| 07/11/2000 | US6086685 Profiled rolling stock and method for manufacturing the same |
| 07/06/2000 | WO2000039352A2 Ultra-high strength steels with excellent cryogenic temperature toughness |
| 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 | EP1015817A1 Method and apparatus for containing and suppressing explosive detonations |
| 07/05/2000 | EP1015651A1 Ultra-high strength, weldable, boron-containing steels with superior toughness |
| 07/05/2000 | EP1015647A1 Method and device for thermal treatment of parts |
| 07/05/2000 | EP1015645A1 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding |
| 07/05/2000 | EP0756643B1 Method for mitigating residual stresses in welded metal components using high torch travel speeds |
| 07/04/2000 | US6083329 Setting the internal pressure of the main gas jacket lower than the internal pressure of the front gas jacket and rear gas jacket. |
| 06/29/2000 | WO2000037880A2 Method and apparatus for containing and suppressing explosive detonations |
| 06/29/2000 | WO2000037689A1 Ultra-high strength triple phase steels with excellent cryogenic temperature toughness |
| 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 | CA2353926A1 Ultra-high strength triple phase steels with excellent cryogenic temperature toughness |
| 06/28/2000 | CN1053926C Method and apparatus for heat treatment of gas cylinder of IC engine |
| 06/27/2000 | US6080247 Comminuting media comprising martensitic/austenitic steel containing retained work-transformable austenite |
| 06/27/2000 | CA2115921C Method of encoding and decoding a glassy alloy strip to be used as an identification marker |
| 06/22/2000 | WO2000036354A1 Combination conduction/convection furnace |
| 06/22/2000 | WO2000036163A1 Carrier substrate |
| 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 | DE19902032C1 Bainitic quenching gas, especially for bainitization of rapidly transformable steels, is temperature regulated by controlled circulation through parallel-connected cooling and heating channels |
| 06/21/2000 | CN1053703C Safety method of quenching for manually holding piece into liquid and device thereof |
| 06/21/2000 | CN1053702C Method for quick scan fusing hardening for surface of cast iron |
| 06/20/2000 | US6077475 Arrangement and process for the inductive hardening of profiled camshafts |
| 06/15/2000 | WO2000034536A1 Method for treating an object with laser |
| 06/15/2000 | WO2000009773A9 Selective case hardening processes at low temperature |
| 06/15/2000 | DE19908715C1 Surgical nail for fastening bones comprises thin-walled tube with ribs |
| 06/15/2000 | DE19856265A1 Verfahren zur Herstellung feuerresistenter Stahlbleche A process for producing fire-resistant steel sheets |
| 06/15/2000 | DE19856191A1 Verfahren und Vorrichtung zur Wärmebehandlung von Teilen Method and apparatus for heat treatment of parts |
| 06/14/2000 | EP1008667A1 Method of manufacturing fire-resistant steel sheet |
| 06/14/2000 | EP1008660A1 Low alloy steel for oil country tubular goods |
| 06/14/2000 | EP1007745A1 Metallurgical method for processing nickel- and iron-based superalloys |
| 06/14/2000 | CN1256320A Carbide annealing process for high-speed great-deformation hot-rolled and cold-upset steel |
| 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 | US6074599 Air quenching chamber |
| 06/13/2000 | US6074500 Method for producing a metal component made up of two partial elements |
| 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 | WO2000032834A1 Processes for producing articles with stress-free slit edges |
| 06/08/2000 | WO2000032827A1 Method and apparatus for monitoring workpiece heating temperature in flame hardening |
| 06/08/2000 | CA2351355A1 Processes for producing articles with stress-free slit edges |
| 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 | CN1255964A Method and appts. for containing and suppressing explosive detonations |
| 06/07/2000 | CN1255417A Technology for manufacturing fully-threaded bright and high-strength very long screw bolt |
| 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 | CA2213908C Tempering method |
| 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 |
| 05/31/2000 | EP1004685A2 Heat-resisting cast steel |
| 05/31/2000 | EP1004391A1 Rotary die laser machining and hardening apparatus and method |
| 05/31/2000 | EP1004369A1 Sealing lock for a vaccum chamber |
| 05/31/2000 | EP1003920A1 Method for producing a high-strength track element and track element thus obtained |
| 05/31/2000 | EP0693571B1 Bainite rod wire or steel wire for wire drawing and process for producing the same |
| 05/31/2000 | EP0693569B1 Bainite rod wire or steel wire for wire drawing and process for producing the same |
| 05/31/2000 | EP0607440B1 Process for producing a grain-orientated electical steel sheet having mirror surface |
| 05/31/2000 | CN1254764A Surface quenching method and equipment for steel or cast iron parts |
| 05/30/2000 | CA2254618A1 A hardened wheel and a method for producing the same |
| 05/25/2000 | WO2000029140A1 Method and device for reducing the formation of scales on rolling stock |
| 05/25/2000 | DE19853293A1 Verfahren zur Herstellung eines innenseitig mit einer Hartchromschicht versehenen Waffenrohres A process for the preparation of a inner side provided with a hard chromium layer gun barrel |
| 05/25/2000 | DE19853221A1 Process for chilling metallic workpieces after heat treatment comprises contacting the workpiece with a super-cooled medium or super-cooled cooler |
| 05/25/2000 | DE19852450A1 Verfahren zur Oberflächenhärtung von Formkörpern aus Gußwerkstoff sowie dadurch hergestellte Formkörper und deren Verwendung A process for surface hardening of molded bodies of cast material, and molded articles produced thereby, and their use |
| 05/25/2000 | CA2290180A1 Rotary die laser machining and hardening apparatus and method |