| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 09/10/2004 | WO2004075963A1 Elongated intracorporal medical device |
| 09/10/2004 | CA2516756A1 Elongated intracorporal medical device |
| 09/09/2004 | US20040175034 Method for segmentation of digital images |
| 09/09/2004 | US20040173288 Coated, stainless steels with surface that is static free for wear resistant layers |
| 09/09/2004 | DE10260345B3 Vorrichtung und Verfahren zum Bearbeiten einer Innenwand einer in ein Werkstück eingebrachten Ausnehmung An apparatus and method for machining an inner wall of an inserted into a workpiece recess |
| 09/08/2004 | EP1326723A4 A method of producing steel |
| 09/08/2004 | EP1099086B1 Device for loading parts to be heat treated |
| 09/08/2004 | EP1051530A4 Advanced case carburizing secondary hardening steels |
| 09/08/2004 | EP0731183B1 Sealing device for inlet or outlet of atmosphere equipment |
| 09/08/2004 | CN1526510A Production and repairing method for wing surface of integrated blade rotor |
| 09/07/2004 | US6787740 Metal alloy hub section welded to a metal alloy airfoil, solution treating the hub at 1620-1655 degrees f to 1-4 hours, and oil quenching |
| 09/07/2004 | US6787485 Appliance and method for tempering a plurality of process items by absorption of electromagnetic radiation generated by plural sources of the radiation |
| 09/07/2004 | US6786980 Surface hardness of 360-420 bhn; heating to at least its austentizing temperature, quenching to below its martinsite finish temperature, and tempering the steel product at a temperature of at least 800 degrees f. |
| 09/02/2004 | WO2004075605A2 Induction heat treatment of complex-shaped workpieces |
| 09/02/2004 | US20040169321 Insertion of spacer into contact columns; heating to hardening; positioning electroconductive segemnt next to shoulder; supplying altenating current; cooling jackets |
| 09/02/2004 | US20040169099 Method for increasing the shearing resistance in disk chipper knife mounting clamps and a disk chipper equipped with such knife mounting clamps |
| 09/01/2004 | EP1452755A1 Differential supported by rolling element bearing with a shaft and gears and a method of manufacturing the rolling elements, the races, the shaft and the gears by hardening including carbonitriding |
| 09/01/2004 | EP1452617A1 Methods of forming steel |
| 09/01/2004 | EP1452610A1 Rolling, sliding part and process for producing same |
| 09/01/2004 | EP1452247A1 Method of manufacturing steel plate |
| 09/01/2004 | EP1451378A1 Fastening element made of a carbon-containing steel and method for the production thereof |
| 09/01/2004 | CN2637502Y Press machine quenching insulation chamber discharging oven door structure |
| 09/01/2004 | CN1526033A Steel materials and method for preparation thereof |
| 09/01/2004 | CN1526027A Integrated metal processing facility |
| 09/01/2004 | CN1525079A Rolling, sliding part and process for producing same |
| 09/01/2004 | CN1525078A Differential supported by rolling element bearing with a shaft and gears and a method of manufacturing the rolling elements, the races, the shaft and the gears by hardening including carbonitriding |
| 08/31/2004 | US6783727 Austenitic steel |
| 08/31/2004 | US6783612 Method and apparatus for in-line heat treatment of hot rolled stock |
| 08/31/2004 | US6782689 Method of making a chain |
| 08/26/2004 | WO2004073009A2 Plasma processing installation, influenced by a magnetic field, for processing a continuous material or a workpiece |
| 08/26/2004 | WO2004047507A3 Coating compositions for solder spheres, powders and preforms, methods of production and uses thereof |
| 08/26/2004 | US20040167625 Spacer filler |
| 08/26/2004 | US20040167443 Elongated intracorporal medical device |
| 08/26/2004 | US20040167442 Elongated intracorporal medical device |
| 08/26/2004 | US20040164071 Heat treatment apparatus, heat treatment method, medium on which heat treatment program is recorded, and steel product |
| 08/26/2004 | US20040163738 Chromium steel alloys and articles made thereof |
| 08/26/2004 | US20040163439 Method of making a hardened motor-vehicle part of complex shape |
| 08/26/2004 | DE10306063A1 Production of workpieces made from amour steel for special vehicles comprises softening each workpiece at a temperature above the Curie point, cooling, processing the workpiece, bringing to a temperature above the Curie point and quenching |
| 08/25/2004 | EP1450056A2 High-strength connecting rod and method of producing same |
| 08/25/2004 | CN1523241A High-strength connecting rod and method of producing same |
| 08/19/2004 | WO2004070747A1 Heat treatment system |
| 08/19/2004 | WO2004070065A1 Method for surface hardening of thermo rolls |
| 08/19/2004 | US20040160708 Design of canted synthetic pattern exchange spin valve head for improving stability and bias |
| 08/19/2004 | US20040159696 Thick-section metal forming via friction stir processing |
| 08/19/2004 | US20040159373 main structure of retained austenite (5-30 area %) and ferrite (no less than 50 area %); there exist no more than 40 carbide grains per 2000 mu m2 between the retained austenite and the ferrite; high strength; suitable for automobiles |
| 08/19/2004 | US20040159180 High-strength connecting rod and method of producing same |
| 08/19/2004 | DE10304979A1 Process and assembly to shape and harden sheet steel in e.g. automotive body panel industry by presentation of hot work piece to drawing press |
| 08/19/2004 | DE10304945A1 Verfahren zum Wärmebehandeln von Metallteilen unter Schutzgas A process for heat treating of metal parts under a protective gas |
| 08/18/2004 | EP1447158A2 Method for producing rack bar |
| 08/18/2004 | EP1446512A1 Martensitic stainless steel and method for manufacturing same |
| 08/18/2004 | EP1446244A1 Flattened u-bolt and method-for making said u-bolt |
| 08/18/2004 | EP1177709A4 Induction heat treatment of complex-shaped workpieces |
| 08/18/2004 | EP0970260B1 Process for quenching heat treatable metal alloys |
| 08/18/2004 | CN2633897Y Induction heating salt bath furnace for heat treatment |
| 08/18/2004 | CN2633896Y Heat treatment device using forging waste heat |
| 08/17/2004 | US6778057 Inductor for heating inner-circumference of hole |
| 08/12/2004 | WO2004067790A1 Steel pipe for bearing elements, and methods for producing and cutting the same |
| 08/12/2004 | WO2004067783A2 Eglin steel - a low alloy high strength composition |
| 08/12/2004 | US20040154705 Fastening element made of carbon-containing steel and method for the production thereof |
| 08/12/2004 | DE20305452U1 Device is for transporting metallic workpieces, particularly during heat treatment and involves heat-insulated and gas and/or vacuum-tight transport chamber |
| 08/12/2004 | DE10254522B3 Annealing flat strips of hardened steel, repeatedly heats in protective atmosphere, flexes and cools, drawing strip linearly through cooling zones |
| 08/12/2004 | CA2514181A1 Eglin steel - a low alloy high strength composition |
| 08/11/2004 | EP1445338A1 Process for heat-treating of metal pieces under protective gas |
| 08/11/2004 | EP1418245A9 Long-life heat-resisting low alloy steel welded component and method of manufacturing the same |
| 08/11/2004 | EP1198602A4 Medium carbon steels and low alloy steels with enhanced machinability |
| 08/11/2004 | CN1519386A Cooled and tempered bainite steel part and its mfg. process |
| 08/10/2004 | US6773665 Silicon based; tensile strength; elongation; vehicle wheels |
| 08/10/2004 | US6773662 .451-.598% carbon, .11-.29% silicon, .11-.39% manganese, 4.21-4.98% chromium, 2.81-3.29% molybdenum, .41-.69% vanadium and a balance of iron |
| 08/10/2004 | US6773522 Process and device for producing a high-strength steel strip |
| 08/10/2004 | US6773513 Method for residual stress relief and retained austenite destabilization |
| 08/05/2004 | WO2004065646A1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 08/05/2004 | US20040149362 Cold-worked steels with packet-lath martensite/austenite microstructure |
| 08/04/2004 | EP1442147A1 Steel sheet for vitreous enameling excellent in workability and fish scale resistance, and method for producing the same |
| 08/04/2004 | EP1442145A2 Apparatus and method for transferring heat treated parts |
| 08/04/2004 | CN1517449A Surface treatment method under control of laser energy and parts treated by said method |
| 08/04/2004 | CN1160486C Sintering furnace for enamel product |
| 08/04/2004 | CN1160164C Hot-rolling method for stainless steel blank and agentia used in the method |
| 08/03/2004 | US6772041 Hardening equipment and hardening method |
| 08/03/2004 | US6770858 Device for inductively heating metallic strips |
| 08/03/2004 | US6770155 For manufacture of railroad rail of steel alloy; cooling to convert from an austenitic steel grain microstructure to a fine pearlitic grain microstructure |
| 08/03/2004 | US6770152 High temperature wear resistance; low cost; inner ring, outer ring and/or rolling element formed of steel including 1.1 ratio of molybdenum and chromium along with carbon, silicon, manganese and iron |
| 07/29/2004 | WO2004063410A1 High-strength hot-dip galvanized steel sheet and method for producing the same |
| 07/29/2004 | WO2004063403A1 Catenary type furnace |
| 07/29/2004 | WO2004063402A1 Sheet metal annealing method |
| 07/29/2004 | WO2004063401A1 Hydrogen reclamation apparatus and method from a treatment furnace exhaust |
| 07/29/2004 | WO2004063400A1 Surface modified precipitation hardened stainless steel |
| 07/29/2004 | WO2004063399A1 Suface hardened stainless steel with improved wear resistance and low static friction properties |
| 07/29/2004 | DE10112295B4 Herstellung eines Zylindergehäuses eines Doppelschneckenextruders Producing a cylinder housing of a twin-screw extruder |
| 07/29/2004 | CA2512661A1 Hydrogen reclamation apparatus and method from a treatment furnace exhaust |
| 07/28/2004 | EP0930953B1 Bearing having micropores, and design method thereof |
| 07/28/2004 | CN2628537Y 退火设备 Annealing equipment |
| 07/28/2004 | CN1516746A Roller table roll, particularly for conveying furnace-heated metallic strip material |
| 07/28/2004 | CN1516745A Crawler bushing and method and device for producing the same |
| 07/28/2004 | CN1515743A Laser intensified railroad switch |
| 07/28/2004 | CN1159461C Deep-cold treating technology of steel workpiece |
| 07/27/2004 | US6767504 Inner pressure of purge chamber is reduced to a predetermined pressure level; atmosphere is supplied to interior of thus evacuated purge chamber so as to render inner pressure of this purge chamber equal to the inner pressure of heat chamber |
| 07/27/2004 | US6767417 Steel sheet and method for manufacturing the same |
| 07/27/2004 | CA2316970C Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 07/22/2004 | WO2004013367A3 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 07/22/2004 | WO2003096383A3 Cavity shapes for plasma-assisted processing |