| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 11/09/2005 | EP1592815A1 Hydrogen reclamation apparatus and method from a treatment furnace exhaust |
| 11/09/2005 | EP1141644B1 Combination conduction/convection furnace |
| 11/09/2005 | CN1693757A Heating furnace with regenerative burners and method of operating the heating furnace |
| 11/09/2005 | CN1693756A Heating furnace with regenerative burners and method of operating heating furnace |
| 11/09/2005 | CN1693755A Heating furnace with regenerative burners and method of operating heating furnace |
| 11/09/2005 | CN1693488A Cooling method for flame heated of steel structured assembly |
| 11/08/2005 | US6962631 Used for parts of automobiles |
| 11/03/2005 | WO2005102559A2 Powdered metal multi-lobular tooling and method of fabrication |
| 11/03/2005 | WO2005102548A1 Method for producing mat-surfaced austenitic stainless steel straps |
| 11/03/2005 | DE102004016975A1 Verfahren zur Wärmebehandlung von Metallen Process for the heat treatment of metals |
| 11/03/2005 | CA2558010A1 Powdered metal multi-lobular tooling and method of fabrication |
| 11/02/2005 | EP1591547A1 Steel strip for a replacement blade and manufacturing method therefor |
| 11/02/2005 | EP1590493A1 Method of producing ultra-high-strength cold- and hot-rolled steel sheets and plate thus obtained |
| 11/02/2005 | EP1322900B1 Method for heating metallurgical products |
| 11/02/2005 | EP1198605B8 Methods of forming steel |
| 11/02/2005 | CN1690238A Ferrous abrasion resistant sliding material |
| 11/02/2005 | CN1225567C Steel wire excellent in descalability in mechanical descaling and method for production thereof |
| 10/27/2005 | WO2005100823A1 Pinion shaft |
| 10/27/2005 | WO2005100620A2 Dross removal system and method |
| 10/27/2005 | WO2005100618A2 Forged or stamped average or small size mechanical part |
| 10/27/2005 | WO2005100617A1 Plant for annealing metal straps |
| 10/27/2005 | WO2005100416A1 Method for producing aqueous polyvinyllactam dispersions |
| 10/27/2005 | WO2005099923A1 Method for producing a metal |
| 10/27/2005 | US20050236072 Ferrous abrasion resistant sliding material |
| 10/27/2005 | US20050236070 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 10/27/2005 | DE112004000112T5 Verfahren zum Oberflächenhärten von Thermowalzen A method for surface hardening of thermal rolls |
| 10/26/2005 | EP1589120A1 Method and furnace for heat treatment |
| 10/26/2005 | EP1587966A1 High-strength hot-dip galvanized steel sheet and method for producing the same |
| 10/26/2005 | EP1466023B1 Quenching oil compositions |
| 10/26/2005 | EP1337672B1 Quenching method and apparatus |
| 10/26/2005 | EP1301648B1 Coil spring from an alloy steel and method for producing such coil springs |
| 10/26/2005 | EP1025271B1 Ultra-high strength, weldable, essentially boron-free steels wit h superior toughness |
| 10/26/2005 | CN2736366Y Multifunctional superaudio quenching machine tool |
| 10/26/2005 | CN1688723A Austempered cast iron article and a method of making the same |
| 10/26/2005 | CN1688722A Process for producing steel product and production facility therefor |
| 10/25/2005 | US6957685 Method of cleaning and of heat treating lost foam castings |
| 10/20/2005 | WO2005098056A1 Method for the thermal treatment of metals |
| 10/20/2005 | WO2005098055A1 Metal part cooling method, metal part producing method, and metal part cooling device |
| 10/20/2005 | US20050230380 Apparatus and method for heating works |
| 10/20/2005 | US20050230014 Excellent in strength and elongation and has good bendability, and is also excellent in stress relaxation resistance |
| 10/19/2005 | EP1586667A1 Copper alloy and method of manufacturing the same |
| 10/19/2005 | CN2734770Y Bearing supported labyrinth type waterproof long-tri-roller aligning quenching machine tool |
| 10/19/2005 | CN2734769Y Multi-station induction heating device for steel pipe drill-rod wire |
| 10/19/2005 | CN1685074A Steel composition and parts forged by a forging die |
| 10/19/2005 | CN1685073A Machine part and method for manufacturing same |
| 10/19/2005 | CN1684790A Workpiece structure modification |
| 10/19/2005 | CN1683578A Copper alloy and method of manufacturing the same |
| 10/19/2005 | CN1223686C High-temperature anti oxidative nano coating for heat treatment of work piece |
| 10/19/2005 | CN1223685C Rotary heating and linking cooling HF quencher |
| 10/18/2005 | US6955730 such as billets, blooms, slugs or slabs; heat treatment |
| 10/18/2005 | CA2295881C Method for producing ultra-high strength, weldable steels with superior toughness |
| 10/13/2005 | US20050227772 Powdered metal multi-lobular tooling and method of fabrication |
| 10/13/2005 | DE19946998B4 Vorrichtung zur Abkühlung eines metallischen Pressbolzens oder Stangenabschnitts Apparatus for cooling a metallic billet or bar section |
| 10/13/2005 | DE19610322B4 Verfahren zur Passivierungsbehandlung eines Rohrleitungssystems für hochreines Gas und seine Verwendung Process for the passivation of a piping system for high purity gas and its use |
| 10/12/2005 | EP1584701A1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 10/12/2005 | EP1584700A1 High-strength steel product excelling in fatigue strength and process for producing the same |
| 10/12/2005 | EP1584699A1 High-strength martensitic stainless steel with excellent resistances to carbon dioxide gas corrosion and sulfide stress corrosion cracking |
| 10/12/2005 | EP1584694A1 Catenary type furnace |
| 10/12/2005 | EP1476585B1 Gas quenching installation and the corresponding quenching method |
| 10/12/2005 | EP1442147B1 Steel sheet for vitreous enameling excellent in workability and fish scale resistance, and method for producing the same |
| 10/12/2005 | CN1681948A Atmosphere control method during continuous heat treatment of metal strips |
| 10/12/2005 | CN1681947A Rapid cooling nethod of metal components improving heat transfer by convection and radiation |
| 10/12/2005 | CN1681946A Methods and apparatus for stress relief using multiple energy sources |
| 10/11/2005 | US6953508 high tensile strength of at least 750 MPa and improved low temperature toughness; for example, a high strength steel pipe which is manufactured by the submerged arc welding method |
| 10/06/2005 | WO2005093115A1 Process for producing austenite stainless steel, solder melting vessel and autosoldering apparatus |
| 10/06/2005 | WO2005093114A1 Uphill method for the heat treatment and reduction of internal stresses of cast parts produced from a light metal melt, especially an aluminium melt |
| 10/06/2005 | US20050218567 Dross removal system and method |
| 10/06/2005 | US20050218371 Heat transfer fluids and methods of making and using same |
| 10/06/2005 | US20050217820 Method and apparatus for cooling foundry castings |
| 10/06/2005 | US20050217763 Quenched and tempered steel wire with superior cold forging characteristics |
| 10/06/2005 | US20050217761 Method for producing grain-oriented silicon steel plate with mirror surface |
| 10/06/2005 | DE102004012424A1 Chromium layer formation process for use during manufacture of workpiece involves heating iron-chromium- alloy in crucible and carrying vapor or particles to workpiece in stream of argon |
| 10/06/2005 | CA2529019A1 Uphill method for the heat treatment and reduction of internal stresses of cast parts produced from a light metal melt, especially an aluminium melt |
| 10/05/2005 | EP1583397A1 Apparatus and method for heating work pieces |
| 10/05/2005 | EP1582600A1 Method and apparatus for cooling foundry castings |
| 10/05/2005 | CN1676626A Method for monitoring low-temperature rapid thermal annealing process |
| 10/05/2005 | CN1221673C Process for improvement of magnetic characteristics in grain oriented electrical silicon steel sheet by laser treatment |
| 09/29/2005 | WO2005090618A1 Method for increasing the fatigue strength of crankshafts |
| 09/29/2005 | WO2005090616A1 Double-chamber heat treating furnace |
| 09/29/2005 | WO2004027098A8 Rapid cooling method for parts by convective and radiative transfer |
| 09/29/2005 | US20050211751 Heat treatment; for joints between stainless steel components; impellers |
| 09/29/2005 | US20050211029 Apparatus and method for improving work surface during forming and shaping of materials |
| 09/29/2005 | DE19608401B4 Spreizdorn für Härtevorrichtungen Expanding mandrel hardness devices |
| 09/29/2005 | CA2497321A1 Method and apparatus for cooling foundry castings |
| 09/28/2005 | EP1580284A2 An apparatus and method for improving work surface during forming and shaping of materials |
| 09/28/2005 | EP1578547A2 Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load |
| 09/28/2005 | CN2729086Y Device for cleaning quenching saline water tank for heat treatment |
| 09/28/2005 | CN2729085Y Environmental protection continuous heating furnace |
| 09/28/2005 | CN1672913A Press for holding and pressing a workpiece |
| 09/28/2005 | CN1672867A An apparatus and method for improving work surface during forming and shaping of materials |
| 09/27/2005 | US6949716 Process for treating with an atmospheric plasma electrically conductive materials and a device therefor |
| 09/27/2005 | US6949151 Providing a sheet metal blank from sheet steel; forming collared holes; indenting the blank to protrusion; heating the blank on a conveyor in a heat treatment station; hot forming the blank in a pressing tool to produce sheet metal product |
| 09/22/2005 | WO2005087955A1 Quenching oil for reduced pressure quenching and method for quenching |
| 09/22/2005 | US20050205562 Heating device |
| 09/22/2005 | US20050205167 Heat treatment followed by cooling in a liquid, in which chemical conversion is done using the cooling liquid; salts of Si, Ti, Zr, Ce, Mn, Mo and/or V; does not require any prior or post surface treatment. |
| 09/22/2005 | US20050205163 Bearing part, heat treatment method thereof, and rolling bearing |
| 09/22/2005 | US20050204830 Magnetostrictive torque sensor shaft and method for manufacturin the same |
| 09/21/2005 | EP1577413A1 Fe-Cr-Si NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND PROCESS FOR PRODUCING THE SAME |
| 09/21/2005 | EP1577406A1 Screw or tapping screw |
| 09/21/2005 | EP1577405A1 Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet |