| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 10/25/2006 | CN1853059A Speed reducer, method and appratus for manufacturing the speed reducer, and electric power steering device with the speed reducer |
| 10/25/2006 | CN1852996A Heat treatment system |
| 10/25/2006 | CN1851058A Method for reinforcing-depositing composite modified titanium alloy surface using electric spark with ion beam |
| 10/25/2006 | CN1851026A High-chromium cast steel milling ball, and its preparing method |
| 10/25/2006 | CN1851023A Low-carbon high-manganese oriented electrical steel plate, and its manufacturing method |
| 10/25/2006 | CN1851007A Concrete conveying pipe production process |
| 10/25/2006 | CN1851006A Laser reinforcing technological method for circular saw bit |
| 10/25/2006 | CN1851005A Roll laser reinforcing quenching technological method |
| 10/25/2006 | CN1850433A Magnesium alloy product punching shaping method |
| 10/25/2006 | CN1850431A High magentic induction oriented electrical steel sheet and its manufacturing method |
| 10/25/2006 | CN1850430A Thin slab process high magnetic induction oriented electrical steel sheet and its manufacturing method |
| 10/25/2006 | CN1281770C Multifunctional quenching experimental apparatus |
| 10/25/2006 | CN1281769C Technology for putting drilling rod joint blank right to vent |
| 10/25/2006 | CN1281768C Lasing process method for improving abrasion resistance and corrosion resistance of the surface of aluminium borate crystal whisker/aluminium composite material |
| 10/24/2006 | CA2398675C Modified low temperature case hardening processes |
| 10/19/2006 | US20060231175 Making coil springs with optimum toughness and strength |
| 10/19/2006 | US20060231172 Microstructure; spray forming of ingot; improved wear resistance, hardenability and tempering resistance |
| 10/19/2006 | DE202006012913U1 Pressure chamber for metallic work pieces, comprises a ventilator inside the chamber, and a drive motor |
| 10/19/2006 | DE112004001920T5 Wärmebehandlungssystem Heat treatment system |
| 10/18/2006 | EP1712962A1 Thermal deposition coating method |
| 10/18/2006 | EP1712658A1 Method for surface treatment of metal material |
| 10/18/2006 | EP1712651A1 Oil well seamless steel pipe excellent in resistance to sulfide stress cracking and method for production thereof |
| 10/18/2006 | EP1711639A1 Method for producing a three-dimensionally formed armouring component for vehicle bodies |
| 10/18/2006 | EP1711638A1 Rail manufacturing method |
| 10/18/2006 | EP1711283A1 Control method and control device for a roll stand |
| 10/18/2006 | EP1119649B1 Selective case hardening at low temperature |
| 10/18/2006 | CN2828058Y Double-chamber vacuum carbon, nitrogen common oiling quenching cold-hot processing furnace |
| 10/18/2006 | CN1849402A Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 10/18/2006 | CN1847439A Guide and guard roller for guiding steel billet in high speed wire rolling machine and its making process |
| 10/18/2006 | CN1847417A Netted belt furnace for heating roller with both oil and electricity |
| 10/18/2006 | CN1847416A U-shaped afterheat utilizing annealing furnace below roller |
| 10/18/2006 | CN1847414A No-blowdown oil film eliminator |
| 10/18/2006 | CN1847413A Normalizing heat treatment process of 20Cr2Ni4 steel |
| 10/18/2006 | CN1847412A Annealing process of 20CrMnTi steel for cold extrusion |
| 10/17/2006 | US7122086 Rolling support device and method for manufacturing the same |
| 10/17/2006 | CA2255343C Modular vacuum thermal processing installation |
| 10/12/2006 | WO2006107738A1 Marker for coded electronic article identification system |
| 10/12/2006 | WO2006105899A1 Method and device for gas quenching |
| 10/12/2006 | US20060226584 Steel-member manufacturing facility, thin bearing-member and thrust bearing |
| 10/12/2006 | DE19803259B4 Haubenofen Hood furnace |
| 10/12/2006 | DE10295854B4 Vorrichtung zur Wärmebehandlung und hydraulischen Förderung von Walzgut Apparatus for heat treating and hydraulic conveying of rolling |
| 10/11/2006 | EP1710458A1 Rolling bearing and method for heat treatment of steel |
| 10/11/2006 | EP1709208A1 Steel sheet for containers, and manufacturing method therefor |
| 10/11/2006 | CN1844416A Quenching method for locomotive and carriage wheel ridge surface and implementing apparatus therefor |
| 10/11/2006 | CN1844415A 17-4PH steel surface reinforcement method |
| 10/11/2006 | CN1844414A HF quenching technology for piston ring groove |
| 10/11/2006 | CN1844413A Method and device for short wavelength laser treatment of drum type inner surface of workpiece |
| 10/11/2006 | CN1843656A Process for manufacturing rare earth high-carbon low-alloy steel liner |
| 10/11/2006 | CN1279591C Laser annealing device and semiconductor device manufacture method |
| 10/11/2006 | CN1279203C 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 |
| 10/11/2006 | CN1279189C Indirectly-heating equipment for running product, specially for plate material by means of fossil fuel |
| 10/10/2006 | US7118637 Nano-composite martensitic steels |
| 10/10/2006 | US7117707 Apparatus and method for thermomechanically forming an aluminide part of a workpiece |
| 10/05/2006 | US20060222882 Alloyed-molten-zinc-plated steel sheet with excellent processability and high strength and process for producing the same |
| 10/05/2006 | US20060219334 Press-hardened component and associated production method |
| 10/05/2006 | DE202005020799U1 Device for gas cooling of a heat treated workpiece (9) with a treatment container filled with a cooling gas and impacting the workpiece with a cooling medium useful in heat treatment of metal workpieces has liquid nitrogen as preferred |
| 10/04/2006 | EP1707306A1 Process for forming ultrafine crystal layer, machine component having ultrafine crystal layer formed by the ultrafine crystal layer forming process, process for producing the machine component, process for forming nano-crystal layer, machine component having nano-crystal layer formed by nano-crystal |
| 10/04/2006 | EP1707282A1 Heat treating device for steel plate and steel plate manufacturing line having the heat treating device |
| 10/04/2006 | EP1706514A1 Steel sheet for use in containers and manufacturing method therefor |
| 10/04/2006 | CN1842385A Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
| 10/04/2006 | CN1840714A Method for making quench hardening layer of cold roll barrel |
| 10/03/2006 | US7115176 Production process and production line for manufacturing articles from hardenable metal materials |
| 10/03/2006 | CA2370530C Blanketing metals and alloys at elevated temperatures with gases having reduced global warming potential |
| 10/03/2006 | CA2218781C Process and device for cooling an article |
| 09/28/2006 | US20060213588 Induction heat treatment method, induction heat treatment installation and induction-heat-treated product |
| 09/27/2006 | CN1839212A Heat treatment method for casting made from light metal melt especially aluminum melt |
| 09/27/2006 | CN1839210A Process of production and production system of high strength galvannealed steel sheet |
| 09/27/2006 | CN1839209A Gas quenching method using a recycling facility |
| 09/27/2006 | CN1837395A Anti-sulfur drill rod and method for manufacturing the same |
| 09/27/2006 | CN1277448C High frequency inductive heating coil |
| 09/26/2006 | US7112141 Power transmission shaft |
| 09/21/2006 | WO2006098168A1 Rolling device and method for manufacture same |
| 09/21/2006 | US20060207692 Having a chemical composition consisting of carbon, manganese, cromium, silicon, titanium, aluminum, sulfur and phosphorus; bainitic-martensitic structure containing < 5% ferrite; hot-rolled steel strip coated with zinc by dipping into bath of molten zinc after coiling; uncoil and anneal |
| 09/20/2006 | EP1702993A1 Method and apparatus for through-hardening sections of steel plate finished formed components and formed component through-hardened in sections |
| 09/20/2006 | EP1702498A1 Method for heating components |
| 09/20/2006 | CN1834269A Long Lifetine heat treatment technique of high-carbon chromium bearing collar |
| 09/20/2006 | CN1834267A PLC controlled intelligence well-type electric furnace |
| 09/20/2006 | CN1276115C High-sulphur abrasion-resistant casting steel |
| 09/20/2006 | CN1276102C Device for quenching and tempering long-length rolling stock |
| 09/20/2006 | CN1276101C Quenching bath for quenching operation by lifting and lowering liquid surface |
| 09/19/2006 | US7109435 Beam irradiator and laser anneal device |
| 09/19/2006 | US7108756 Method for heat-treating work pieces made of temperature-resistant steels |
| 09/19/2006 | CA2313536C Process and device for producing a high-strength steel strip |
| 09/14/2006 | US20060201650 Mold for casting and method of surface treatment thereof |
| 09/14/2006 | US20060201590 Method and device for hardening the inner surface of holes, in mechanical pieces of cast iron of predominantly ferritic matrix |
| 09/14/2006 | US20060201221 Method of cooling a hot isostatic pressing device and a hot isostatic pressing device |
| 09/13/2006 | EP1700924A1 Process and equipment for manufacturing high ductility steel wire from hot rolled wire steel |
| 09/13/2006 | EP1700923A1 Method and device for hardening the inner surface of holes, in mechanical pieces of cast iron of predominantly ferritic matrix |
| 09/13/2006 | EP1699941A1 Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 09/13/2006 | EP1516068B1 Method for smoothing and polishing surfaces by treating them with energetic radiation |
| 09/13/2006 | CN1833046A Steel for hydrogen gas environment, structural hardware member and method for producing same |
| 09/13/2006 | CN1831411A Manufacturing method of seamless steel pipe for pressure pipeline |
| 09/13/2006 | CN1831303A Rolling bearing |
| 09/13/2006 | CN1831159A Thermal treatment furnace |
| 09/13/2006 | CN1831158A Liquid cooling medium with stable cooling speed |
| 09/13/2006 | CN1831157A Method for mormalizing cooling of forged steel pieces |
| 09/13/2006 | CN1830617A TA15 alloy ring-shaped piece mould forge piece forging and heat treatment technology |
| 09/12/2006 | US7105126 Flapper gas nozzle assembly |
| 09/12/2006 | US7104697 Bearing part and fabrication method therefor |
| 09/07/2006 | US20060196583 Steel parts for machine structure, material therefor, and method for manufacture thereof |