| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 06/09/2004 | CN1502706A High frequency quenching device for uniform speed universal joint |
| 06/09/2004 | CN1153228C Amorphous alloy with increased operating induction |
| 06/09/2004 | CN1152970C Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 06/03/2004 | WO2004047507A2 Coating compositions for solder spheres, powders and preforms, methods of production and uses thereof |
| 06/03/2004 | WO2002070769A8 Steel article |
| 06/03/2004 | US20040105997 steel has specified levels of impurities and nitrogen to aluminum ratio; tensile strength increased by press forming and heat treatment while maintaining excellent deep drawability in press forming; structural strength |
| 06/03/2004 | US20040105777 Method for the production of a part of a rolling bearing |
| 06/03/2004 | US20040103963 Gas supplying devices for supplying an atmospheric gas consisting of hydrogen or a mixed gas of hydrogen and argon, are provided on the outlet side, atmospheric gas is supplied into the tube from the front end , continuous heat treatment |
| 06/03/2004 | US20040103962 Suitable as raw material steel sheets for molded products such as building members, mechanical structural parts, automobile structural parts |
| 06/03/2004 | US20040103961 Continuously detecting a diameter of steel wire in heat treatments of steel wire , controlling the amount of energy of induction heating supplied to steel wire whereby steel wire is evenly heat treated over the entire length |
| 06/02/2004 | EP1423547A1 An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained |
| 06/02/2004 | EP1423215A1 Arrangement for cooling heat-treated wires |
| 06/02/2004 | EP1354070B1 High-strength isotropic steel, method for making steel plates and resulting plates |
| 06/02/2004 | CN1500890A Inductive conductor continuous anneal machine |
| 06/01/2004 | US6743307 High resistance steel band or sheet and method for the production thereof |
| 06/01/2004 | US6743306 Steel sheet and method for manufacturing the same |
| 06/01/2004 | US6742374 Method for partly reinforcing a workpiece |
| 06/01/2004 | CA2239427C A stress relieved grinding rod having hard outer shell |
| 05/27/2004 | WO2004011684A8 A method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them |
| 05/27/2004 | US20040099644 System and method for post weld conditioning |
| 05/27/2004 | US20040099354 Austenitic steels formed by low temperature annealing, having creep resistance, high strength and tensile strength |
| 05/26/2004 | EP1420924A1 Composite utility knife blade, and method of making such a blade |
| 05/26/2004 | EP1218560B1 Steel material, its use and its manufacture |
| 05/26/2004 | EP1109637B1 Light alloy thread-forming screw and its production method |
| 05/26/2004 | CN2617775Y Medium frequency induction quenching inductor of vehicle half shaft |
| 05/26/2004 | CN1500155A 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 prodn. thereof |
| 05/26/2004 | CN1499896A High binding strength stainless steel foil for face heater, and its mfg. method |
| 05/26/2004 | CN1498983A Method of carburizing and quenching cam of diesel engine in low speed |
| 05/25/2004 | US6740178 Method for producing a sintered honeycomb body |
| 05/25/2004 | US6739995 Pushing block for CVT belt and manufacturing method therefor |
| 05/21/2004 | WO2004042790A2 Method for increasing the copper to superconductor ratio in a superconductor wire |
| 05/20/2004 | US20040096299 Continuous casting unit with post-arranged furnace, roughing stand and finishing train |
| 05/20/2004 | US20040094247 Aluminum-killed medium-carbon steel sheet for containers and process for its prepration |
| 05/20/2004 | US20040094239 Having excellent wear resistance, good corrosion resistance, hardenability, and tempering resistance as well as adequate toughness |
| 05/20/2004 | US20040094234 Methods and apparatus for reducing the sound level of a gearbox |
| 05/19/2004 | DE10330792A1 Klemmvorrichtung und Verfahren zum Ergreifen eines Werkstückes Clamping apparatus and method for gripping a workpiece |
| 05/19/2004 | DE10315419B3 Production of screw springs or stabilizers made from steel comprises comparing the heating temperature over the rod lengths and maintaining between the rollers |
| 05/19/2004 | CN1498278A Modular furnace for reducing melting |
| 05/19/2004 | CN1497194A Rolling bearing filled with balls and ball cam follower for engine |
| 05/19/2004 | CN1497057A Coating baking hardening type cold rolled plate with good ageing resistance and its manufacturing method |
| 05/13/2004 | WO2004040026A2 Rolling bearing in aircraft |
| 05/13/2004 | WO2004040024A1 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet |
| 05/13/2004 | WO2004040023A1 Method of increasing toughness of heat-affected part of steel product welded joint |
| 05/13/2004 | WO2003038140A8 Steel sheet for vitreous enameling and method for producing the same |
| 05/13/2004 | US20040091194 Bearing part and fabrication method therefor |
| 05/13/2004 | DE10250459A1 Wälzlager in Luftfahrzeugen Rolling in aircraft |
| 05/13/2004 | DE10247939A1 Process for heat treating metallic workpieces and materials comprises transporting the products to be treated through an annealing furnace, introducing hydrogen as protective and reaction gas, and feeding nitrogen openings as inert gas |
| 05/12/2004 | EP1418246A1 Heat treatment for a steel bearing |
| 05/12/2004 | EP0912768B1 Method for making an electric sheet steel with oriented grains for the manufacture of transformer magnetic circuits in particular |
| 05/12/2004 | CN2615608Y Metal material low-temperature heat processing box |
| 05/11/2004 | US6734406 Hardening transition surfaces; quenching with coolant; articulated shafts |
| 05/11/2004 | US6733723 Method for producing sintered metal and a rotary compressor flange produced by use of the method |
| 05/11/2004 | US6733721 Induction heating, annealing, cooling |
| 05/11/2004 | US6733720 Method and apparatus for cooling hot rolled steel strip, and method for manufacturing hot rolled steel strip |
| 05/11/2004 | US6733592 High-temperature and high-pressure treatment device |
| 05/11/2004 | US6732698 Austempered gray iron cylinder liner and method of manufacture |
| 05/06/2004 | WO2004022793A3 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 05/06/2004 | WO2004018715A3 Method and device for the continuous annealing of strip steel and correspondingly produced strip steel |
| 05/06/2004 | US20040084594 Clamping device and method for grasping a workpiece |
| 05/06/2004 | EP1416059A1 Base material for clad steel plate excellent in low-temperature toughness at weld heat-affected zone and method for producing the clad steel plate |
| 05/06/2004 | EP1305133B1 Method and device for hardening a metal component by plasma pulse technology |
| 05/06/2004 | EP1194727B1 Annealing furnace |
| 05/06/2004 | DE202004001099U1 Device for hardening contours on surface of hardenable material, e.g. steel, comprises heat source for locally heating region on surface, and control units coupled to heat source |
| 05/06/2004 | DE10247998A1 Verfahren zum Herstellen eines besonders gut verformbaren kaltgewalzten Stahlbands oder -blechs A process for producing a particularly good deformable cold rolled steel strip or sheet |
| 05/05/2004 | CN1494598A Rapid cooling device for steel band in continuous annealing equipment |
| 05/05/2004 | CN1493772A Roller element and its mfg. method |
| 05/05/2004 | CN1149000C Induction heater |
| 04/29/2004 | WO2004036957A1 Coil for induction heating of a strip or another elongate metal workpiece |
| 04/29/2004 | WO2004035849A1 Material for aperture grill for color image receiving tube, aperture grill, and color image receiving tube |
| 04/29/2004 | WO2004035848A1 Steel material for mechanical structure excellent in suitability for rolling, quenching crack resistance, and torsional property and drive shaft |
| 04/29/2004 | WO2004035839A1 Screw or tapping screw |
| 04/29/2004 | WO2004035838A1 Method for making hardenable steel plates by firing, resulting steel plates |
| 04/29/2004 | US20040079514 Production of thin steel strip |
| 04/29/2004 | US20040079067 Hot rolling, cold working; heat treatment by high frequency heating; drawing |
| 04/28/2004 | EP1413641A1 Method and apparatus for heat treating nonferrous alloys using liquid sodium |
| 04/28/2004 | EP1413634A1 METHOD OF PRODUCING HIGH CR−BASED SEAMLESS STEEL TUBE |
| 04/28/2004 | EP1413633A1 Process for manufacturing hardened components made of steel |
| 04/28/2004 | EP1412548A1 Multi-phase steel sheet excellent in hole expandability and method of producing the same |
| 04/28/2004 | EP1412543A1 Method for cooling work pieces especially shape-rolled products from rail steel |
| 04/28/2004 | EP1412542A1 Method for strengthening a steel channel member |
| 04/28/2004 | EP1412146A1 Method for increasing the shearing resistance in disk chipper knife mounting clamps and a disk chipper equipped with such knife mounting clamps |
| 04/28/2004 | CN2613489Y 感应加热设备 Induction heating equipment |
| 04/28/2004 | CN1492939A Steel article |
| 04/28/2004 | CN1492938A Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof |
| 04/28/2004 | CN1492787A Continuous casting unit with post-arranged furnace, roughing stand and finishing train |
| 04/28/2004 | CN1492157A Method for improving anti-slackness of steel bolt |
| 04/28/2004 | CN1147611C Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature and their producing methods |
| 04/28/2004 | CN1147595C Steel band with good forming properties and method for producing same |
| 04/28/2004 | CN1147594C Microcomputer controlled deeply cold processing equipment and its technology |
| 04/28/2004 | CN1147593C Method for quenching workpieces with reduced gear deformation |
| 04/28/2004 | CN1147374C Heat shields |
| 04/27/2004 | US6726782 Ultra-low carbon steel sheet |
| 04/27/2004 | US6726086 Liquid phase diffusion bonding to a superalloy component |
| 04/27/2004 | CA2291577C Screws having selected heat treatment and hardening |
| 04/22/2004 | WO2004033741A1 Maraging steel golf club head |
| 04/22/2004 | WO2004033731A1 Heat treatment method for metal parts |
| 04/22/2004 | WO2004033126A1 Press-hardened part and method for the production thereof |
| 04/22/2004 | WO2003076673A3 High-resistant, low-density hot laminated sheet steel and method for the production thereof |
| 04/22/2004 | US20040074575 Base phase structure, the base phase structure being tempered martensite or tempered bainite and accounting for 50% or more in terms of a space factor relative to the whole structure, or the base phase structure comprising tempered martensite or |
| 04/22/2004 | US20040074572 Method and device for hardening a metal component by plasma pulse technology |