| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 03/17/2004 | CN1483089A Material for shadow mask, method for production thereof, shadow mask comprising the material and picture tube using the shadow mask |
| 03/17/2004 | CN1482273A Heat treatment method for knife-edge tungsten carbide |
| 03/17/2004 | CN1482262A Bent tube type heater for natural gas |
| 03/17/2004 | CN1142312C Vehicle components |
| 03/16/2004 | US6708077 Furnace pacing for multistrand mill |
| 03/16/2004 | US6706419 Antiaging property at room temperature and formability at the same time |
| 03/16/2004 | US6706127 Power steering mechanism of an automobile; heat treated to a second hardness by passing an induction coil scanner lengthwise |
| 03/16/2004 | US6706125 Tunnel wall frame member for constructing a road under a railroad; hot rolling; wrinkle flaws present on the inner surface of said curved claw have a depth of 0.5 mm or less |
| 03/16/2004 | CA2298277E Detectable stainless steel needles for meat packing |
| 03/11/2004 | WO2003038133A3 Apparatus and method for transferring heat treated parts |
| 03/11/2004 | US20040048717 Variator disc and a method of fabricating the same |
| 03/11/2004 | US20040048218 Multi-layer heat treatment furnance, heat treatment device and heat treating method |
| 03/11/2004 | US20040047757 High-hardness, high-toughness steels and crawler components, earth wear resistant components, fastening bolts, high-toughness gears, high-toughness, high contact pressure resistance gears, and wear resistant steel plates using the same |
| 03/11/2004 | US20040045646 Method and device for annealing tubes |
| 03/11/2004 | DE10238972A1 Verfahren und Vorrichtung zur Durchlaufvergütung von Bandstahl und entsprechend hergestellter Bandstahl Method and apparatus for continuous quenching and tempering of steel strip and correspondingly produced steel strip |
| 03/11/2004 | DE10237446A1 Verwendung eines Chrom-Stahls und dessen Herstellung Use of a chromium steel and its manufacturing |
| 03/10/2004 | EP1244816B1 Method for controlling and/or regulating the cooling stretch of a hot strip rolling mill for rolling metal strip, and corresponding device |
| 03/10/2004 | CN1481443A Prodn method for steel plate and equipment therefor |
| 03/10/2004 | CN1141404C Method and apparatus for reducing folds of bands in quick cooling area of heat treatment production line |
| 03/10/2004 | CN1141193C Manufacture method of specially shaped copper tube for computer to dissipate heat |
| 03/09/2004 | US6702980 Annealing apparatus |
| 03/09/2004 | US6702905 Corrosion and wear resistant alloy |
| 03/09/2004 | US6702904 For use in automobiles; strength |
| 03/09/2004 | US6701627 Composite utility knife blade |
| 03/04/2004 | WO2004018715A2 Method and device for the continuous annealing of strip steel and correspondingly produced strip steel |
| 03/04/2004 | WO2004018271A1 Spring element made from a ferritic chrome steel |
| 03/04/2004 | WO2003031670A8 Steel sheet for container and method of producing the same |
| 03/04/2004 | WO2002038814A9 Furnace roller and cast tire therefor |
| 03/04/2004 | US20040041458 Road wheel composition and method for manufacturing road wheel using the same |
| 03/04/2004 | US20040040944 Method for welding on stress-sensitive materials |
| 03/04/2004 | US20040040636 Metallic member forming method |
| 03/04/2004 | US20040040631 Nitriding surface of martensite stainless steels |
| 03/03/2004 | EP1394281A1 UNIDIRECTIONAL SILICON STEEL SHEET OF ULTRA−LOW IRON LOSS AND METHOD FOR PRODUCTION THEREOF |
| 03/03/2004 | EP1394279A1 High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof |
| 03/03/2004 | EP1394276A1 HIGH TENSILE HOT−ROLLED STEEL SHEET EXCELLENT IN RESISTANCE TO SCUFF ON MOLD AND IN FATIGUE CHARACTERISTICS |
| 03/03/2004 | EP1042516B1 Cold drawn wire and method for the manufacturing of such wire |
| 03/03/2004 | CN1140640C Method for manufacture of steel products of precipitation hardened martensitic steel, steel products obtained with such method and use of said steel products |
| 03/02/2004 | US6699335 Machine part |
| 02/26/2004 | US20040036203 Hardening fixture |
| 02/26/2004 | US20040035576 Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe |
| 02/26/2004 | US20040035507 Carbon-titanium steel rail |
| 02/26/2004 | US20040035500 Plates comprising mixtures of austenite, bainite and ferrites having tensile strength and workability, used in automobiles |
| 02/26/2004 | US20040035499 Rolling elements |
| 02/26/2004 | DE19807133B4 Verfahren und Vorrichtung zum Herstellen von nicht-geschlossenen Ringen Method and apparatus for producing non-closed rings |
| 02/26/2004 | DE10018132B4 Kohlenstoffstahlmaterial und Bearbeitungsverfahren zur Festigkeitssteigerung Carbon steel material and processing method for increasing the strength |
| 02/25/2004 | EP1391526A2 Dual phase steel sheet with good bake-hardening properties |
| 02/25/2004 | EP1390554A1 Method of quenching alloy sheet to minimize distortion |
| 02/25/2004 | CN1478192A Hardening fixture |
| 02/24/2004 | US6695933 Ultra-high strength cold rolled steel sheet and method for manufacturing the same |
| 02/24/2004 | US6695932 Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 02/24/2004 | US6695930 .05-.24 wt% carbon, 15-28 wt% cobalt and 1.5-9.5 wt% nickel, small percentages of chromium, molybdenum, and vanadium; and the balance iron |
| 02/24/2004 | CA2292215C Process for continuous heating and cleaning of wire and strip products in a stratified fluidized bed |
| 02/19/2004 | WO2004014581A2 Methods and apparatus for heat treatment and sand removal for castings |
| 02/19/2004 | WO2004014577A1 Cooling device, manufacturing method, and manufacturing line for hot rolled steel band |
| 02/19/2004 | WO2004002195A3 Induction heating system having eccentric locator |
| 02/19/2004 | US20040034442 Furnace pacing for multistrand mill |
| 02/19/2004 | US20040031787 Method and apparatus for induction hardening |
| 02/19/2004 | DE10235219A1 Stahl mit hoher Festigkeit und gleichzeitig guter Zähigkeit Steel with high strength and good toughness |
| 02/18/2004 | EP1389639A2 Steel sheet with excellent bendability |
| 02/18/2004 | CN1475594A Fe-Ni alloy material for shadow mask and its preparing process |
| 02/18/2004 | CN1138963C Furnace for heating iron products |
| 02/18/2004 | CN1138863C Steel sheet for heat shrink band and method for producing the same |
| 02/17/2004 | US6693264 Vacuum and gas tight enclosure for induction heating system |
| 02/17/2004 | US6692992 Hardened Fe-Ni alloy for the manufacture of integrated circuit leaderframes and manufacturing process |
| 02/17/2004 | US6692688 Modular furnace |
| 02/17/2004 | US6692592 Method for manufacturing high chromium system seamless steel pipe |
| 02/12/2004 | US20040026944 Railway wheels resistant to martensite transformation |
| 02/12/2004 | US20040026412 Method and device for plasma treatment of moving metal substrates |
| 02/12/2004 | US20040025987 Heating, cooling cycles; tensile strength |
| 02/11/2004 | CN1474927A Furnace roller and cast tire thereof |
| 02/11/2004 | CN1473945A Locally reinforced heating method and device for hot rolling steel billet before discharging |
| 02/11/2004 | CN1138016C Cold-rolled steel plate with excellent forming property, surface shaping property and anti-rabbing and manuacture method thereof |
| 02/11/2004 | CN1138005C Reinforcing laser treatment for surface of cast steel roll |
| 02/10/2004 | US6689231 Seamless tubes comprising ferrite and/or austenite stainless steels formed by extrusion, then cold rolling and annealing having improved yield points, tensile strength, corrosion and creep resistance, for use in underwater oil apparatus |
| 02/10/2004 | US6689230 Analyzing heat removed from rails, using radiation measuring instruments connected to computer programmes, then immersing in water, such that the transformation during decomposition of crystals into ferrite and/or pearlite is controlled |
| 02/10/2004 | US6689228 Metal apparatus comprising supports, conveyors, heaters, coolers and electronic controllers for heat treatment or hardening rails |
| 02/05/2004 | WO2004011684A1 A method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them |
| 02/05/2004 | US20040020071 Oil removing device for cleaning pipes that are present in the form of coils |
| 02/05/2004 | DE19543804B4 Verfahren zur Herstellung von feuerverzinktem Stahlband und damit hergestelltes feuerverzinktes Blech oder Band aus Stahl A process for the production of hot-dip galvanized steel strip and hot-dip galvanized thus produced sheet or strip of steel |
| 02/05/2004 | DE10232262A1 Apparatus for hardening annular workpieces comprises a hardening unit which can move in the X- and Y-axis direction using a numerically controlled compound table, and a unit for rotating the workpiece in the peripheral direction |
| 02/04/2004 | EP1386978A2 High-strength and high-toughness steel |
| 02/04/2004 | EP1386012A1 Method for enhancing the metallurgical quality of products treated in a furnace |
| 02/04/2004 | EP1190108B9 Casting material for indefinite rollers with a sleeve part and method for producing the same |
| 02/04/2004 | CN1472495A High temperature/pressure container |
| 02/04/2004 | CN1137280C Ultralow carbon steel and making method |
| 02/03/2004 | US6685596 Variator disc and a method of fabricating the same |
| 02/03/2004 | US6684735 Vibration suppressors joined to crank shafts of internal combustion engines comprising wheels having rims, joined and welded to bosses; low carbon steels |
| 01/29/2004 | WO2004009856A1 Process for producing oil tempered wire |
| 01/29/2004 | WO2004009855A1 Method and system for processing castings |
| 01/29/2004 | WO2003104501A3 Method and device for patenting steel wires |
| 01/29/2004 | DE10129565B4 Kühlverfahren für ein warmgewalztes Walzgut und hiermit korrespondierendes Kühlstreckenmodell Cooling method for hot-rolled rolling and hereby corresponding cooling-line model |
| 01/28/2004 | EP1384391A1 Transverse flux induction heating of conductive strip |
| 01/28/2004 | CN1470668A High-strength low heat-expansion Fe-Ni-Co series alloy thin band with good magnetic characteristic for shadow mask |
| 01/28/2004 | CN1470655A Heat-treatment furnace |
| 01/27/2004 | US6683281 Means and method for heating |
| 01/27/2004 | US6682692 Apparatus for supporting material to be treated in continuously operated thermal treatment furnaces |
| 01/27/2004 | US6682612 Method of heat treatment of wire |
| 01/27/2004 | US6682227 Rolling bearing component |
| 01/22/2004 | WO2004007785A1 Quenched and tempered steel wire with superior cold forging characteristics |
| 01/22/2004 | WO2004007219A1 Rolling bearing unit for supporting wheel |