| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 09/07/2006 | DE102005010050A1 Metal sponge production by reacting metal ore with a reducing gas comprises heating the reducing gas in stages, the temperature in the first stage being directly proportional to the carbon dioxide content |
| 09/06/2006 | EP1697552A1 Steel wire for cold forging having excellent low temperature impact properties and method of producing same |
| 09/06/2006 | EP1697266A1 Method and device for conditioning a cooling process area in order to reduce corrosion |
| 09/06/2006 | EP1327125B1 Surface-hardened precision weight and process of making same |
| 09/06/2006 | CN2813630Y Screw heat processing propeller for ball grinding |
| 09/06/2006 | CN2813629Y Quenching heating furnace discharge damping device |
| 09/06/2006 | CN2813628Y Acoustomagnetic antitheft labelling device thermal processing die |
| 09/06/2006 | CN1829816A Method for producing a hardened profile part by a thin steel plate |
| 09/06/2006 | CN1829813A Method for hot forming and hot formed member |
| 09/06/2006 | CN1827825A Novel chrome steel high speed steel and heat treatment process thereof |
| 09/06/2006 | CN1827823A High-carbon alloy steel wearable steel ball and production method thereof |
| 09/06/2006 | CN1827797A Roller-hearth continuous quenching device |
| 09/06/2006 | CN1827795A Ferrous seal sliding parts and producing method thereof |
| 09/06/2006 | CN1273657C Exhaust pressure control method for rapid heat treatment system |
| 09/06/2006 | CN1273623C Method and device for annealing tubes |
| 09/05/2006 | US7101445 Tensile strength; press forming, heat treatment |
| 08/31/2006 | WO2006091875A2 Amorphous steel composites with enhanced strengths, elastic properties and ductilities |
| 08/31/2006 | WO2006091362A2 System for optically analyzing a molten metal bath |
| 08/31/2006 | US20060191600 Steel and component of structural equipment for use in a hydrogen gas environment, and a method for the manufacture thereof |
| 08/31/2006 | DE10227076B4 Verfahren und Anlage zum Erwärmen von Werkstücken vor dem Warmformen Method and apparatus for heating workpieces prior to thermoforming |
| 08/31/2006 | CA2598111A1 System for optically analyzing a molten metal bath |
| 08/30/2006 | EP1696041A1 Method of manufacturing an assembled body of a plurality of members, manufacturing method of electromagnetic control valve, and control valve for variable capacity compressor |
| 08/30/2006 | CN2811320Y Rotary quenching inductor for small-sized crankshaft rod journal |
| 08/30/2006 | CN2811319Y Profiling quenching inductor for stepped shaft plane with much diameter difference |
| 08/30/2006 | CN2811318Y Inductor for concurrent heating of inside and outside surface of synchronizer tooth sleeve |
| 08/30/2006 | CN2811317Y Medium frequency quenching and tempering hot-treatment device for long rod workpiece |
| 08/30/2006 | CN2811315Y Electromechanical integrated induction-heating digital-control hot-processing device |
| 08/30/2006 | CN2811314Y Device for relieving tensile stress of valve retainer end tapered surface of engine |
| 08/30/2006 | CN2811313Y Stress-relieving annealing furnace for welding device |
| 08/30/2006 | CN2811312Y Prepressing balancing device for door lock of deep freezing unit |
| 08/30/2006 | CN2811311Y Servo unit for quenching of precise parts |
| 08/30/2006 | CN2811310Y Quenching inductor for steering knuckle of small-sized vehicle |
| 08/30/2006 | CN1826479A Roller bearing with steel plate race |
| 08/30/2006 | CN1826422A Nitriding method and device |
| 08/30/2006 | CN1824823A Chromium steel series die steel and heat treatment technique thereof |
| 08/30/2006 | CN1824822A Die steel and heat treatment technique thereof |
| 08/30/2006 | CN1824821A High-speed steel and heat treatment technique thereof |
| 08/30/2006 | CN1824820A Chromium steel series high speed steel and heat treatment technique thereof |
| 08/30/2006 | CN1824819A High alloy die steel and heat treatment technique thereof |
| 08/30/2006 | CN1824818A Cold extruding die steel and heat treatment technique thereof |
| 08/30/2006 | CN1824817A Chromium steel series cold extruding die steel and heat treatment technique thereof |
| 08/29/2006 | US7097720 Reducing the level of these tensile stresses in the transition area between the laser shock peened and non-laser shock peened areas by laser shock peening a border area between the first area and a non-laser shock peened area of the article with a low fluence laser beam |
| 08/29/2006 | US7097648 Expandable element delivery system |
| 08/24/2006 | WO2006050209A8 High pressure gas jet impingement heat treatment system |
| 08/24/2006 | US20060185774 metal working through hot working and quenching to get a martensite structure; shaping using a pair of press forming dies; cooling by injecting water between the dies; high strength steel sheet for automobile body and automobile suspension parts |
| 08/24/2006 | US20060185768 Fixing element comprising a low-alloyed steel and process for the production thereof |
| 08/24/2006 | DE112004001875T5 Verfahren zur Herstellung eines dünnen Einzelteils, Lagerring, Drucknadellager, Verfahren zur Herstellung eines Wälzlagerings, Wälzlagering und Wälzlager A process for producing a thin item, bearing ring, thrust needle bearing, method for producing a Wälzlagerings, rolling bearing ring and roller bearings |
| 08/24/2006 | DE10045039B4 Kontinuierlich variables Toroid-Getriebe Continuously variable toroidal transmission |
| 08/23/2006 | EP1693143A1 Weld metal of low temperature toughness and SR cracking resistance used for high-strength Cr-Mo steel |
| 08/23/2006 | CN2808930Y Quick gas-injection cooling unit for high-temperature materials |
| 08/23/2006 | CN2808929Y Waste oil and smoke reclaiming and treating device for heat treatment system |
| 08/23/2006 | CN2808928Y Continuous high-temperature quenching device |
| 08/23/2006 | CN2808766Y Charge basket |
| 08/23/2006 | CN1821593A Telescopic shaft |
| 08/23/2006 | CN1821432A Weld metal of low temperature toughness and SR cracking resistance used for high-strength Cr-Mo steel |
| 08/23/2006 | CN1821430A High temperature treating device under strong magnetic field |
| 08/23/2006 | CN1820891A Shunting forging process for automobile reverse gear |
| 08/23/2006 | CN1271233C Steel article |
| 08/23/2006 | CN1271223C Process unit of laser treatment in use for inner inner wall of tubular workpieces |
| 08/22/2006 | US7093526 Forming die apparatus |
| 08/17/2006 | WO2006085549A1 High-concentration carburized/low-strain quenched member and process for producing the same |
| 08/17/2006 | US20060180961 Furnace for vacuum carburizing with unsaturated aromatic hydrocarbons |
| 08/17/2006 | US20060179909 Method of making a metallic thin wire for a medical tool |
| 08/17/2006 | DE102005015450B3 Process to quench heat-treated metal components in an evacuated chamber by cold liquid followed by cold gas |
| 08/17/2006 | CA2594838A1 High-concentration carburized/low-strain quenched member and process for producing the same |
| 08/16/2006 | EP1690955A1 Stainless steel wire, spring, and method for producing spring |
| 08/16/2006 | EP1644540A4 Nano-precipitation strengthened ultra-high strength corrosion resistant structural steels |
| 08/16/2006 | EP1563106A4 Cold-worked steels with packet-lath martensite/austenite microstructure |
| 08/16/2006 | CN2806500Y 罩式炉对流板 Convection furnace cover plate |
| 08/16/2006 | CN2806499Y Moving traction device for sample by medium frequency welding seam heat treatment |
| 08/16/2006 | CN2806498Y Quenching device for hardware metal piece |
| 08/16/2006 | CN2806497Y Cooling device using digitally-controlled speed variable cooling quenching technology |
| 08/16/2006 | CN2806496Y Medium frequency heating and fastening device for plate samples |
| 08/16/2006 | CN2806495Y Horizontal feed type high frequency quenching machine tool |
| 08/16/2006 | CN1820089A Hard metal or cermet body and method for producing the same |
| 08/16/2006 | CN1820086A Method and installation for the production of hot-rolled strip having a dual-phase structure |
| 08/16/2006 | CN1820085A Heat treating device and heat treating method |
| 08/16/2006 | CN1818140A Surface enhancing and lubricating process for long-life bearing |
| 08/16/2006 | CN1818081A Production of sponge iron |
| 08/16/2006 | CN1269976C Multimedia steel ball automatic quenching machine |
| 08/15/2006 | US7090488 Heat treatment furnace |
| 08/15/2006 | US7089648 Method for fabricating a magnetoresistive head |
| 08/10/2006 | US20060177689 Steel member and a method of hard-facing thereof |
| 08/10/2006 | US20060175742 Paste suitable for use in soldering electronic equipment; can prevent peeling of solder from soldered portions even after the passage of long periods after soldering of portions to be soldered made of copper |
| 08/10/2006 | DE102005005892A1 Induktionsspuleneinheit Induction coil unit |
| 08/10/2006 | DE10161721B4 Wälzlagerkomponenten mit verschleißfester Oberfläche Bearing components with wear resistant surface |
| 08/09/2006 | EP1688507A1 Clutch driven plates |
| 08/09/2006 | EP1687455A1 Cooling process and device for a steel sheet |
| 08/09/2006 | EP1386977B1 Ferritic stainless steel strip excellent in freeze of shape formed by working |
| 08/09/2006 | EP1341936B1 A method and a device for partial heating of metal sheets |
| 08/09/2006 | CN2804116Y Well type tempering furnace |
| 08/09/2006 | CN1814823A Tendon running-water quenching method and apparatus |
| 08/09/2006 | CN1814822A Spheroidal annealing process of deep-punched steel plate for preventing bullet |
| 08/09/2006 | CN1814820A Cooling technology for obtaining multi-element tissue martensite steel |
| 08/09/2006 | CN1814819A Electronic-beam surface hardening method based on point-to-point scan |
| 08/09/2006 | CN1268772C Method of bainite hardening steel in use for plastic die |
| 08/08/2006 | CA2418494C Phosphor thin film, preparation method, and el panel |
| 08/03/2006 | WO2006080368A1 Carbon material for hearth roll, hearth roll, and method for using hearth roll |
| 08/03/2006 | WO2005100620A3 Dross removal system and method |
| 08/03/2006 | US20060170554 Method of annealing amorphous ribbons and marker for electronic article surveillance |