| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/19/2000 | EP0971825A1 Method for improving the properties of railway wheels and railway wheel |
| 01/19/2000 | CN1242058A Process for the production of grain oriented silicon steel sheet |
| 01/19/2000 | CN1242057A Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics |
| 01/19/2000 | CN1241645A Diamond saw blade base steel and its smelting process |
| 01/19/2000 | CN1048526C Producing method for low-carbon alloy steel nailable cement nail or jet nail |
| 01/18/2000 | US6015526 Vertical annealing furnace for a strip treatment device |
| 01/13/2000 | WO2000001858A1 Method for forming a neck in a cylinder bore |
| 01/13/2000 | WO2000001857A1 Unit for the rapid cooling of sheet or flat by water-spraying |
| 01/13/2000 | DE19830485A1 Method for annealing copper pipe coils using a tubular protective gas distributor which is made of separate sections and is provided with separate delivery lines to each coil carrier structure |
| 01/12/2000 | EP0971192A1 Improvements in or relating to heating furnaces for iron and steel products |
| 01/12/2000 | EP0970260A1 Process for quenching heat treatable metal alloys |
| 01/12/2000 | EP0970256A1 Hot-rolling steel strip |
| 01/12/2000 | EP0638653B1 Process for producing chromium-containing stainless steel strip with excellent toughness |
| 01/12/2000 | CN1241220A Thick cold rolled steel sheet excellent in deep drawability and method of mfg. same |
| 01/12/2000 | CN1048285C Method for making ultralow carbon cold-rolled steel plate |
| 01/11/2000 | US6013904 Induction hardening apparatus for a crankshaft |
| 01/11/2000 | US6013225 Surface densification of machine components made by powder metallurgy |
| 01/11/2000 | US6013140 Laser hardening of screw forms |
| 01/11/2000 | CA2188626C Method to roll strip and plate and rolling line which performs such method |
| 01/05/2000 | EP0969112A1 Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same |
| 01/05/2000 | DE19928775A1 Induction hardened bearing, e.g. a ball or roller bearing, ball revolving spindle, water pump bearing, synchromesh joint ring or bearing for an automobile axle unit |
| 01/05/2000 | DE19849681C1 Heat treating components of steel or cast iron |
| 01/05/2000 | DE19849679C1 Heat treatment of steel workpieces through hardening |
| 01/05/2000 | DE19829584A1 Verfahren zur Herstellung einer Verengung in einer Zylinderbohrung A process for producing a restriction in a cylinder bore |
| 01/05/2000 | DE19828048A1 Chains or chain components especially high strength sliding chains useful as hoist or support chains and in chain scraper conveyors used in coal mines |
| 01/05/2000 | CN1240232A Heat treatment for martensitic stainless steel sheet |
| 12/30/1999 | DE19828784A1 Verfahren zum Richten von Profilstahl bei gleichzeitiger Minimierung der Eigenspannungen A method for straightening structural steel while minimizing the residual stresses |
| 12/30/1999 | DE19827804A1 Apparatus for hardening runny granular materials after thermochemical treatment with powders or granulates |
| 12/30/1999 | DE19826138A1 Verfahren zur Herstellung eines Werkstücks mit einer verschleißbeständigen Oberfläche A process for producing a workpiece with a wear-resistant surface |
| 12/29/1999 | WO1999067432A1 Device for hardening bulk materials after their thermochemical treatment in a powder or granulate |
| 12/29/1999 | WO1999067042A1 Method for producing vehicle wheels |
| 12/29/1999 | EP0967031A2 Cased coil spring producing apparatus |
| 12/29/1999 | EP0967027A2 Method for straightening steel sections while at the same time minimising the internal stress |
| 12/29/1999 | EP0966744A1 Fuel rod cladding tube for a boiling water reactor fuel rod and the production thereof |
| 12/29/1999 | EP0966549A1 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 12/29/1999 | EP0966548A1 Process for the inhibition control in the production of grain-oriented electrical sheets |
| 12/28/1999 | US6007762 Apparatus and method for precision gear finishing by controlled deformation |
| 12/28/1999 | US6007761 Heat treating furnace for a continously supplied metal strip |
| 12/28/1999 | US6006789 Method of preparing a steel pipe, an apparatus thereof and a steel pipe |
| 12/28/1999 | US6006429 Method of inductively hardening the cams of a camshaft |
| 12/23/1999 | WO1999066094A2 Convertible apparatus for heat treating materials |
| 12/23/1999 | WO1999066092A1 Bearing material for cold rolling forming and forming member thereof |
| 12/22/1999 | EP0907431B1 Process for shaping a flat metal workpiece |
| 12/22/1999 | CN1239216A Improvements to furnaces for reheating siderurgical products |
| 12/22/1999 | CN1239146A Thermal treatment method for bimetal saw blade |
| 12/22/1999 | CN1239145A Method and equipment for restricting deformation of steel rail in heat treatment |
| 12/21/1999 | US6003330 Device for water cooling of rolled steel sections |
| 12/21/1999 | CA2081055C Method and apparatus for heat treatment of metal parts utilizing infrared radiation |
| 12/15/1999 | EP0964073A1 A steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof |
| 12/15/1999 | CN1238390A Cast iron roller and its manufacture method |
| 12/15/1999 | CN1047404C Tension controller for production-line |
| 12/15/1999 | CN1047334C Method and apparatus for heat rolling of continuouslly cast blocks into band or shaped sheet |
| 12/15/1999 | CN1047333C Method and apparatus for heat rolling of continuouslly casted thin block into wide steel band |
| 12/14/1999 | CA2002138C High-strength coil spring and method of producing same |
| 12/12/1999 | CA2240463A1 Method of manufacturing battery can-forming plate, battery can-forming plate manufactured by method |
| 12/09/1999 | WO1999063125A1 Rolling bearing |
| 12/09/1999 | DE19824893A1 Damping natural saw blade vibrations brought about by the sawing process |
| 12/09/1999 | DE19824574A1 Verfahren und Vorrichtung zur effektiven Abkühlung von Behandlungsgut Method and device for effective cooling of treated |
| 12/09/1999 | DE19823637A1 Assembly to control the temperature of a moving paper web |
| 12/08/1999 | EP0962538A2 Process and device for efficient cooling of workpieces |
| 12/08/1999 | EP0961840A1 Method and installation for tempering metallic strips |
| 12/08/1999 | CN1237778A Expanded form mask for color Braun tube and its material |
| 12/07/1999 | US5998042 Rolling bearing and rolling device |
| 12/07/1999 | US5997662 Surface-hardened chain link |
| 12/07/1999 | US5997290 Revolving transfer furnace for treating workpieces |
| 12/07/1999 | US5996226 Method of manufacturing push rod balls |
| 12/07/1999 | CA2071190C Steel spring, and steel bar and method for producing same |
| 12/02/1999 | DE19807133A1 Fabrication method for open rings, e.g. spring rings, etc. |
| 12/02/1999 | DE19680225C1 Haspelofen für ein Warmband Reel oven for a hot strip |
| 12/01/1999 | EP0841993B1 Method for the manufacture of a strip of formable steel |
| 12/01/1999 | CN1046964C Sprocket and manufacturing method thereof |
| 12/01/1999 | CN1046963C Press-formed article and method for strengthening the same |
| 11/30/1999 | US5992616 Apparatus for the guiding of workpieces |
| 11/30/1999 | CA2093905C High-strength steel parts and method of making |
| 11/24/1999 | EP0958479A1 Dry roll furnace arrangement |
| 11/24/1999 | EP0958389A1 Process for producing a permanent way component and such a component |
| 11/24/1999 | EP0958095A1 Friction welded drill rod and method for manufacturing the rod |
| 11/24/1999 | EP0957968A2 High performance wires for use in medical devices and alloys therefor |
| 11/24/1999 | CN1046766C Heat treatment process of medium-high carbon low aloyed steel forged ball and overhead rollaway type quenching apparatus |
| 11/17/1999 | EP0957181A1 Alloy steel for sliding surfaces |
| 11/17/1999 | EP0956487A1 Pusher furnace drop-out conveyor |
| 11/17/1999 | EP0956369A1 A method for manufacturing of curved and quenched profiled elements and a die tool for carrying out the method |
| 11/17/1999 | EP0712642B1 Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or the like for metallic strip |
| 11/17/1999 | EP0626059B1 Intermetallic alloys for use in the processing of steel or glass |
| 11/17/1999 | CN1235199A Steel wire for ejector pin of die set and manufacture thereof |
| 11/16/1999 | US5986205 Stainless steel sheet and a substrate for a solar cell and manufacturing method thereof |
| 11/16/1999 | US5985051 Shape steel material having high strength, high toughness and excellent fire resistance and process for producing rolled shape steel of said material |
| 11/16/1999 | US5983675 Method of preparing intermetallic alloys |
| 11/10/1999 | EP0954617A1 Method for making seamless tubing with a stable elastic limit at high application temperatures |
| 11/10/1999 | EP0954398A1 Sand core removal and casting heat treatment |
| 11/09/1999 | US5980662 Heating austenitic steel having low percentage carbon so that annealing occurs with an intergranular carbide precipitation rating of medium or less |
| 11/04/1999 | WO1999055927A1 Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
| 11/04/1999 | WO1999055922A1 Method of manufacturing cold rolled steel sheet excellent in resistance to natural aging and panel properties |
| 11/04/1999 | DE19919965A1 Method for producing hardened gearwheels with improved fatigue characteristics |
| 11/03/1999 | EP0953651A1 Stainless steel for manufacturing drawn wire, especially tyre reinforcement wire, and wire manufactured by said process |
| 11/03/1999 | EP0953059A1 Method for stretching of a profile in an induction heat treatment process |
| 11/02/1999 | US5977515 Underwater laser processing device including chamber with partitioning wall |
| 11/02/1999 | US5976053 Method of manufacturing traction rollers for continuously variable transmissions and traction rollers resulting therefrom |
| 11/02/1999 | US5975271 Spline hub for damper disk assembly |
| 11/02/1999 | US5975223 Rock drill bit and method for hardening a rock drill bit |