| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 06/04/2003 | CN1422194A Method for producing angular, stainless shot-blasting abrasives based on an Fe-Cr-C alloy |
| 06/04/2003 | CN1421541A Bearing parts, Heat treatment method of bearing parts and rolling bearing |
| 06/04/2003 | CN1421346A Hollow steering rack shaft and producing method thereof |
| 06/04/2003 | CN1110678C Convection-radiation system for continuous strip heat treatment |
| 05/29/2003 | US20030098341 Method and arrangement for implementing heat treatment during the execution of sprayform techniques |
| 05/29/2003 | US20030098138 Method and arrangement implementing heat treatment after the execution of sprayfrom techniques |
| 05/29/2003 | US20030098106 Propelling a fluid against a first section to increase a cooling rate of the first section relative to a that of a second |
| 05/29/2003 | US20030098104 Hot rolled wire or steel bar for machine structural use capable of dispensing with annealing, and method for producing the same |
| 05/29/2003 | US20030097894 Hollow steering rack bar and its manufacturing method |
| 05/28/2003 | EP1314944A1 Hot air blow type fluidized bed furnace, rotary type heat treatment furnace, heat treatment device, and heat treatment method |
| 05/28/2003 | DE10219939C1 Apparatus for treating inner surface of cup-shaped workpieces includes inductor which fits into workpiece to heat it, and perforated disk connected to cooling spray and fitted against top face of workpiece |
| 05/28/2003 | CN2552940Y Hot rolling-up spring continuous quenching converter |
| 05/28/2003 | CN1420030A Method for heat treatment of train wheel with improved turning ability |
| 05/27/2003 | US6570141 Transverse flux induction heating of conductive strip |
| 05/27/2003 | US6569379 Ceramic core spacer blocks for high temperature preheat cycles |
| 05/27/2003 | US6569269 Process for producing a high and low pressure integrated turbine rotor |
| 05/27/2003 | US6569267 High bearing pressure-resistant member |
| 05/27/2003 | US6568855 Rolling bearing unit with rotation speed detection instrument for use in cars and method for working outer race for use in this bearing unit |
| 05/22/2003 | US20030096714 Oil composition for heat treatment of a gear and gear treated by using the oil composition |
| 05/22/2003 | US20030094218 Isothermal martensite formation and precipitation hardening in a martensitic structure subsequent to soft annealing and shaping |
| 05/22/2003 | US20030094216 .05-.24% carbon, 15-28% cobalt and 1.5-9.5% in nickel, small percentages of chromium, molybdenum and vanadium with a balance of iron |
| 05/22/2003 | US20030094215 Rolling support device and method for manufacturing the same |
| 05/21/2003 | EP1024917B1 A steel and a heat treated tool thereof manufactured by an integrated powder metallurgical process and use of the steel for tools |
| 05/21/2003 | EP0996521B1 Apparatus and method for making uniformly sized and shaped spheres |
| 05/21/2003 | CN1109122C High-toughness thermo-resisting steel, turbine rotor |
| 05/20/2003 | US6566796 Steel sheet for tension mask, making method thereof and tension mask |
| 05/20/2003 | US6565683 Method for processing billets from multiphase alloys and the article |
| 05/20/2003 | US6565676 Material for a stretched mask for color picture tube |
| 05/20/2003 | US6564689 Steel bars; hot working, drilling |
| 05/20/2003 | US6564604 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 |
| 05/15/2003 | US20030091458 Maraging type spring steel |
| 05/15/2003 | US20030091256 Rolling bearing component |
| 05/15/2003 | US20030090032 Apparatus and method for quenching thin-walled metal hollow casing |
| 05/15/2003 | US20030089431 Method for controlling and/or regulating the cooling stretch of a hot strip rolling mill for rolling metal strip, and corresponding device |
| 05/15/2003 | US20030089428 Machine part |
| 05/14/2003 | EP1309734A1 Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel |
| 05/14/2003 | EP1024920B1 Continuous steel strip for twin presses and method for producing the same |
| 05/14/2003 | CN1418141A Continuous high speed depositing method for double wound metal tube and depositing furnace for the method |
| 05/14/2003 | CN1417477A Vane of rotary compressor and its making process |
| 05/14/2003 | CN1108395C Steel product, its use, cold-working tool and method for producing the steel product |
| 05/13/2003 | US6562151 Steel; high frequency quenching |
| 05/13/2003 | US6562150 Steel sheet for heat shrink band and manufacturing method thereof |
| 05/08/2003 | WO2003038140A1 Steel sheet for vitreous enameling and method for producing the same |
| 05/08/2003 | WO2003038136A1 Duplex stainless steels |
| 05/08/2003 | WO2003038133A2 Apparatus and method for transferring heat treated parts |
| 05/08/2003 | US20030084974 Several heat treatment procedures are performed on the product without the need for transferring the product to remotely located heat treatment facilities; for elongated metal products, such as rods and bars |
| 05/08/2003 | US20030084971 Economical alternative to known duplex stainless steels, which also has improved corrosion resistance relative to certain austenitic stainless steels; strips, bars, plates, sheets, castings, tubes or pipes |
| 05/08/2003 | DE10207988C1 Quenching a cast piece e.g. cylinder head comprises treating selected regions of the cast piece by surrounding the piece with a liquid cooling medium, and sucking or pressing the medium through the hollow chamber of the piece |
| 05/07/2003 | EP1307607A1 Method and device for plasma treatment of moving metal substrates |
| 05/07/2003 | EP0956487B1 Pusher furnace drop-out conveyor |
| 05/07/2003 | EP0874917B1 Process and apparatus to enhance the paintbake response and aging stability of aluminum sheet materials and product therefrom |
| 05/07/2003 | CN2549014Y Alumetized steel annealing cap |
| 05/07/2003 | CN2549013Y Continuous annealing furnace for hot coiled springs |
| 05/07/2003 | CN1107731C Method for mfg. cold rolled shadow mask steel sheet using pack annealing tech |
| 05/06/2003 | US6558615 Annealing basket for degreasing and softening aluminum parts |
| 05/06/2003 | US6558486 Method of producing cold rolled steel strip |
| 05/06/2003 | US6558484 High strength screw |
| 05/06/2003 | US6558159 Heat treatment container |
| 05/06/2003 | US6557257 Method for reducing hard machining time of a constant velocity joint |
| 05/05/2003 | WO2003025250A1 Oil removing device for cleaning pipes that are present in the form of coils |
| 05/02/2003 | EP1306457A2 Chromium steel |
| 05/02/2003 | EP1306456A1 Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production |
| 05/02/2003 | EP1305451A1 Method and means for heat treating cutting tools |
| 05/02/2003 | EP1305133A1 Method and device for hardening a metal component by plasma pulse technology |
| 05/02/2003 | EP1177055B1 Heat shields |
| 05/02/2003 | EP1169486B1 Method of producing a hot-rolled strip |
| 05/01/2003 | WO2003035295A1 Flattened u-bolt and method_for making said u-bolt |
| 04/30/2003 | CN1107118C Heat treatment process for superthin large circular shape medium-high carbon steel workpiece |
| 04/29/2003 | US6555800 Process and apparatus for the induction hardening of crankshafts |
| 04/29/2003 | US6554919 Also good molding characteristics to produce parts by stamping, profiling and hydroforming |
| 04/29/2003 | CA2073131C Improved drawing-quality steel, process for making sheet metal for drawing and sheet metal thereof |
| 04/24/2003 | WO2003033185A1 Method of manufacturing steel plate |
| 04/24/2003 | WO2003033182A2 Device and method for the production of flat metal |
| 04/24/2003 | WO2003018856A3 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 04/24/2003 | WO1996002676A8 Cold formed high-strength steel structural members |
| 04/24/2003 | US20030077479 Low density and high ductility alloy steel for a golf club head |
| 04/24/2003 | US20030075250 Bar or wire product for use in cold forging and method for producing the same |
| 04/23/2003 | EP1304393A1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block |
| 04/23/2003 | EP1304392A2 Apparatus and method for quenching thin-walled metal hollow casing |
| 04/23/2003 | CN1106451C Method for performing heat treatment on metallic rings, and bearing ring thus obtained |
| 04/23/2003 | CN1106233C Hot strip production plant for rolling thin rolled strip |
| 04/22/2003 | US6551419 Hot-rolled steel wire and rod for machine structural use and a method for producing the same |
| 04/22/2003 | US6550122 Method of manufacturing laminated ring |
| 04/17/2003 | WO2003031670A1 Steel sheet for container and method of producing the same |
| 04/17/2003 | WO2003031660A1 High-hardness, highly ductile ferrous articles |
| 04/17/2003 | US20030072671 Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels |
| 04/17/2003 | US20030070737 High-hardness, highly ductile ferrous articles |
| 04/17/2003 | US20030070736 Metal working by austenitizing a steel chain link, heating in a thermal bath, quenching to convert remaining austenite to martensite, and deforming; tensile strength, hardness, ductility and fatigue life |
| 04/17/2003 | DE10212820C1 Electrical resistance heating of a metal workpiece uses electrodes to pre-heat regions having a larger cross-section relative to the other regions to a defined temperature level before the entire workpiece is heated |
| 04/17/2003 | DE10162702C1 Process for avoiding adhering and scratching during recrystallization annealing of cold strips in a hood type furnace in a protective gas containing hydrogen comprises subjecting the cold strip to an atmosphere adjusted using an oxidant |
| 04/16/2003 | EP1302556A1 Stainless steel sheet product good of delayed fracture-strength and manufacturing method thereof |
| 04/16/2003 | EP1301648A1 Coil spring from an alloy steel and method for producing such coil springs |
| 04/16/2003 | EP1301640A1 Method and device for inserting elongated workpieces into a transport grate |
| 04/16/2003 | EP1301639A2 Method and apparatus for the direct production of scale-free thin metal strip |
| 04/16/2003 | CN2545213Y Roller curtain type water spray sing cooling device |
| 04/16/2003 | CN1411613A Device and method for tempering several process goods |
| 04/16/2003 | CN1410684A Method for mfg. compressor for refrigerating and link thereof |
| 04/16/2003 | CN1105615C Laser treating method for parts with engaged surface and saw blade |
| 04/15/2003 | US6548793 Comprises inductor coil or loop disposed between gear teeth to induce magnetic flux directly/uniformally |
| 04/15/2003 | US6547898 Method of making safe a heat treatment enclosure operating under a controlled atmosphere |