| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/29/2007 | WO2007088439A3 Gas-fired furnace for continuous heating of metal bars |
| 11/29/2007 | US20070271978 applying coating to sheet made of hardenable steel alloy, where coating comprises zinc and one or several elements with affinity to oxygen in a total amount of 0.1-15 weight-% in relation to total coating; after applying coating the sheet steel is roller-profiled; cathodic corrosion protection |
| 11/28/2007 | EP1860204A1 High tension steel plate, welded steel pipe and method for production thereof |
| 11/28/2007 | EP1860202A1 Method for heat-treating steel material |
| 11/28/2007 | CN200981884Y Roller bottom type continuous annealing furnace stick sealing mechanism |
| 11/28/2007 | CN200981883Y Digital control steel coil end heating device |
| 11/28/2007 | CN200981882Y Longitudinal double-circulation horizontal continuous quenching furnace |
| 11/28/2007 | CN200981881Y Furnace door sealing and compressing apparatus |
| 11/28/2007 | CN200981880Y Separating mechanism for charging tray in furnace |
| 11/28/2007 | CN101078097A 钢板制造装置 Steel manufacturing equipment |
| 11/28/2007 | CN101078096A Strip steel continuous zinc heat coating process |
| 11/28/2007 | CN101078091A Casting high speed steel cutter and preparation method thereof |
| 11/28/2007 | CN101078090A Low-alloy high speed steel roll material and preparation method thereof |
| 11/28/2007 | CN101078046A 不锈钢丝退火炉 Stainless steel wire annealing furnace |
| 11/28/2007 | CN101078045A Spraying and quenching device for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 11/28/2007 | CN101078044A Water leaching table for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 11/28/2007 | CN101078043A Medium frequency induction heating treatment system for steel pipe, petroleum well pipe and drill pipe |
| 11/28/2007 | CN101078042A Medium frequency induction heating treatment method for steel pipe, petroleum well pipe and drill pipe |
| 11/28/2007 | CN101078041A Heating roller-way for steel pipe, petroleum well pipe and drill pipe medium frequency heat treatment system |
| 11/28/2007 | CN101078040A Stepping beam type device for steel pipe heat treatment |
| 11/28/2007 | CN101078039A Air channel improvement for high-pressure vacuum air-quenching furnace |
| 11/28/2007 | CN101078038A Rod pulling type ball race continuous vacuum oil quenching furnace |
| 11/28/2007 | CN101078035A Stick-shape sample surface laser-quenching method |
| 11/28/2007 | CN101077510A Process for manufactruing blaster fuse frame copper alloy strip steel rolled stock used for integrate circuit |
| 11/28/2007 | CN101077504A Novel process and equipment for hot-rolled seamless tube |
| 11/28/2007 | CN100351418C Steel product for oil country tubular good |
| 11/28/2007 | CN100351415C Ferritic stainless steel sheet with excellent formability, and its manufacturing method |
| 11/28/2007 | CN100351404C Petroleum drilling rod joint higher hardness number treating process |
| 11/27/2007 | CA2422753C Steel plate excellent in shape freezing property and method for production thereof |
| 11/22/2007 | WO2007132607A1 Steel sheet, steel sheet coil, and process for producing the same |
| 11/22/2007 | WO2007132548A1 High-strength hot-rolled steel plate having excellent stretch properties, stretch flanging properties and tension fatigue properties, and method for production thereof |
| 11/22/2007 | WO2007132436A2 Process for the production of fine-grained carbon steel strips and strips thus obtainable |
| 11/22/2007 | WO2007132276A1 Ceramic assembly |
| 11/22/2007 | WO2007108038A3 Production system of weldable and stainless tubular structures with high mechanical strength and product obtained therefrom |
| 11/22/2007 | US20070269336 Ball-and-Roller Bearing |
| 11/22/2007 | US20070267788 Annealing Rack |
| 11/22/2007 | US20070267407 Multi-Frequency Heat Treatment of a Workpiece by Induction Heating |
| 11/22/2007 | US20070267112 Cold-formed spring having high fatigue strength and high corrosion fatigue strength, steel for such spring, and method of manufacturing such spring |
| 11/22/2007 | CA2652821A1 Hot-rollled high strength steel sheet having excellent ductility, stretch-flangeability, and tensile fatigue properties and method for producing the same |
| 11/21/2007 | EP1857564A2 High-Tensile steel sheet, steel sheet joining process and high-strength automotive part |
| 11/21/2007 | EP1857563A1 Non-tempered steel soft nitrided component |
| 11/21/2007 | EP1857562A1 Bake-hardening hot-rolled steel sheet with excellent workability and process for producing the same |
| 11/21/2007 | EP1857309A1 Member for reinforcing vehicle body |
| 11/21/2007 | EP1857217A1 High pressure turbine airfoil recovery device and method of heat treatment |
| 11/21/2007 | EP1857215A1 Welding stud |
| 11/21/2007 | CN200978299Y Annealing device applied for copper coated aluminum or copper coated aluminum magnesium wire production |
| 11/21/2007 | CN200978298Y Mercury conductive electric current short-cycle annealing device |
| 11/21/2007 | CN200978295Y Steel rolling stepping heating furnace sheath water beam short circuit circulation energy-saving cooling device |
| 11/21/2007 | CN200978294Y Fuel gas roller hearth spheroidizing annealing furnace |
| 11/21/2007 | CN200977534Y Heat-treatment bearing race shaping peak |
| 11/21/2007 | CN101076609A Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component consisting of said steel |
| 11/21/2007 | CN101074470A High-tensile steel sheet, steel sheet joining process and high-strength automotive part |
| 11/21/2007 | CN101074456A Heat treatment of large-circular piece welling heat-treating furnace and wind-forced generating tower drum flange |
| 11/21/2007 | CN100350061C Method for making an abrasion resistant steel plate and plate obtained |
| 11/20/2007 | CA2390004C Cold formed flat-rolled steel structural members |
| 11/15/2007 | WO2007129676A1 Hot-pressed steel sheet member and process for production thereof |
| 11/15/2007 | WO2007129501A1 Bead wire having light weight and excellent drawability, method for production of the bead wire, and lightweight tire |
| 11/15/2007 | US20070261769 Obtaining a product that has good tolerance in the soft zone by havingthe tools in that area have < 25 % discrete smaller contact surfaces withthe product; dimensional stability' accuracy; structural beams for vehicles;ductility; noncracking; cost efficiency |
| 11/15/2007 | DE102007012067A1 Vorrichtung zur induktiven Wärmebehandlung Device for inductive heat treatment |
| 11/14/2007 | EP1854901A1 Corrosion resistant alloy and components made therefrom |
| 11/14/2007 | EP1854897A1 Method of manufacturing sliding member |
| 11/14/2007 | EP1854562A1 High-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal and process for producing the same |
| 11/14/2007 | EP1593142B1 Magnetically enhanced plasma processing installation for continuous material |
| 11/14/2007 | EP1534869B1 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloy |
| 11/14/2007 | CN200975404Y Step structural on drive axle head intermediate frequency quenching section |
| 11/14/2007 | CN200974855Y Heating-furnace top truss-like steel structure |
| 11/14/2007 | CN200974854Y Heat treatment device for steel wheel products |
| 11/14/2007 | CN200974852Y Carbide annealing furnace |
| 11/14/2007 | CN101070582A Austenite cold-forged stainless-steel and steel wire making method |
| 11/14/2007 | CN101070561A Through-hole top-end heat-treatment processing process |
| 11/14/2007 | CN101069943A Method for making orientation-free cold-rolled electric steel-board |
| 11/14/2007 | CN101069939A Non-modulation cold-forging steel wire processing high-streagth fastener method |
| 11/14/2007 | CN101069894A Method for producing cogging by air-valve steel rolling |
| 11/14/2007 | CN100348767C Strength of extension 750-795 MPa grade double-phase steel plate and mfg. method thereof |
| 11/14/2007 | CN100348766C A cold-rolled steel sheet having a tensile strength of 780 MPa or more an excellent local formability and a suppressed increase in weld hardness |
| 11/14/2007 | CN100348742C Spheroidal annealing process of deep-punched steel plate for preventing bullet |
| 11/14/2007 | CN100348740C Nodular cast iron crank shaft waste heat isothermal hardening |
| 11/14/2007 | CN100348739C Method for making an abrasion resistant steel plate and plate obtained |
| 11/14/2007 | CN100348738C Method for making an abrasion resistant steel plate and plate obtained |
| 11/13/2007 | US7294412 High-strength hop-dip galvanized steel sheet |
| 11/13/2007 | US7294215 Method and device for cooling steel sheet |
| 11/13/2007 | US7294212 High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same |
| 11/13/2007 | CA2415573C High strength steel weld having improved resistance to cold cracking and a welding method |
| 11/13/2007 | CA2239440C Grinding rod chemistry and method of heat treatment to enhance wearability |
| 11/08/2007 | WO2007127073A2 System and method for producing component for medical device |
| 11/08/2007 | WO2007125927A1 Method of producing bearing unit-use outer race |
| 11/08/2007 | WO2007125844A1 Constant velocity universal joint |
| 11/08/2007 | WO2007125767A1 Carbonitriding process, process for production of macine parts, and machine parts |
| 11/08/2007 | WO2007125213A2 Improvement made to the rapid heating sections of continuous heat-treatment lines |
| 11/08/2007 | US20070257407 Multi-deck furnace |
| 11/08/2007 | US20070256808 Method for Producing a Hardened Steel Part |
| 11/08/2007 | US20070256767 Steel Wire for Cold Forging Having Excellent Low Temperature Impact Properties and Method of Producing the Same |
| 11/08/2007 | US20070256766 Torque transferring low carbon steel shafts with refined grain size |
| 11/08/2007 | US20070256765 High Strength Spring Steel, High Strength Springs and Manufacturing Method Thereof |
| 11/08/2007 | CA2650187A1 Improvement made to the rapid heating sections of continuous heat-treatment lines |
| 11/07/2007 | EP1347069B1 High-strength spring steel and spring steel wire |
| 11/07/2007 | EP0999288B1 Steel sheet for can and manufacturing method thereof |
| 11/07/2007 | CN200971379Y Multifunction annealing furnace of continuous hot-galvanizing and annealing set |
| 11/07/2007 | CN200971376Y Continuous non-muffle band material thermal process furnace |
| 11/07/2007 | CN200971375Y Special cradle for slag pump flow passage components protection plate thermal process |