| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 12/22/2010 | CN201678710U Horizontal continuous annealing furnace |
| 12/22/2010 | CN201678709U Bell-type annealing furnace rack |
| 12/22/2010 | CN201678708U Fixed-slideway and double-way equal dividing device for steel balls |
| 12/22/2010 | CN201678707U Scrap iron collecting device of steel ball quenching machine |
| 12/22/2010 | CN201678706U Continuous bright annealing furnace |
| 12/22/2010 | CN201678705U Tempering oily fume processing device of mesh belt furnace |
| 12/22/2010 | CN201678702U Resultant magnetic field online rail welding seam normalizing medium frequency inductor |
| 12/22/2010 | CN101925678A Hollow member and method for manufacturing same |
| 12/22/2010 | CN101923941A Low-noise transformer core for inverter power supply |
| 12/22/2010 | CN101922993A On-line real-time monitoring hearth sealability early-warning device and early-warning method |
| 12/22/2010 | CN101921978A Micro-tension control system of copper-pipe high-speed continuous induction annealing furnace |
| 12/22/2010 | CN101921971A Bainite steel and bainite steel rail used for curve and heavy load steel rail, and production method thereof |
| 12/22/2010 | CN101921957A Method for manufacturing high-grade anti-corrosion seamless steel tube with large diameter ranging from phi460.0 mm to 720.0mm |
| 12/22/2010 | CN101921950A Steel rail used for high-speed and quasi-high speed railways and manufacturing method thereof |
| 12/22/2010 | CN101921947A Nodular cast iron bent axle waste heat air cooling and normalizing method |
| 12/22/2010 | CN101921946A Method for producing high-grade nodular cast iron crank shaft by normalizing casting waste heat |
| 12/22/2010 | CN101921906A Direct heat transfer steel strip heating furnace |
| 12/22/2010 | CN101921905A Independent weight bearing device for vertically piling precise paper-thin steel coil in shield type bright annealing oven |
| 12/22/2010 | CN101921904A Spheroidal graphite cast iron crankshaft normalizing method without normalizing consumption |
| 12/22/2010 | CN101921903A Method for obtaining high-pearlite high-tenacity nodular cast iron crankshaft |
| 12/22/2010 | CN101921902A Induction quenching method of shifting guide shaft of automatic transmission |
| 12/22/2010 | CN101921901A Heat processing method of high-carbon chromium bearing steel bearing part |
| 12/22/2010 | CN101921900A Furnace hearth roller bearing pedestal for continuously bright annealing furnace |
| 12/22/2010 | CN101921899A Induction quenching method of gearshift shaft of change gear case |
| 12/22/2010 | CN101921898A Annular water-blowing device |
| 12/22/2010 | CN101921896A Spheroidizing furnace with novel furnace lining structure |
| 12/22/2010 | CN101920311A Method for producing metal casting |
| 12/22/2010 | CN101476027B Heat treatment method for steel cylinder for liquefied petroleum gas |
| 12/22/2010 | CN101457286B Heavy sectional steel ball rotary integral uniform heating processing method |
| 12/22/2010 | CN101457284B Decarburization heat processing furnace for reducing carbon content on work piece surface |
| 12/22/2010 | CN101422861B Accurate forming method of special-shape deep-hole type parts |
| 12/22/2010 | CN101415856B Process for producing alloyed hot-dip zinc-coated steel sheet satisfactory in processability, non-powdering property, and sliding property |
| 12/22/2010 | CN101391338B Ferritic steel barrel butt-junction circular-seam hot-wire TIG multi-layer multipath welding method |
| 12/22/2010 | CN101292050B Method and installation for the dry transformation of a material structure of semifinished products |
| 12/21/2010 | US7854884 Method and installation for producing a hot rolled strip from austenitic rust-resistant steels |
| 12/21/2010 | US7854883 System for cooling shape-rolled rails |
| 12/21/2010 | US7854808 Steel sheet for vitreous enameling and production method |
| 12/16/2010 | WO2010119179A3 Method for manufacturing a mill lining element and the use of such element |
| 12/16/2010 | DE10319828B4 Gesintertes Kettenrad und Verfahren zur Herstellung hierfür A sintered sprocket and methods for making therefor |
| 12/15/2010 | EP2261386A1 Friction stir grain refinement of structural members |
| 12/15/2010 | CN201670864U Edge controller during strip steel coiling |
| 12/15/2010 | CN201670857U Double-roller machine pivoted loop pneumatic control mechanism |
| 12/15/2010 | CN201670856U Rod sleeve for non-oxidation recrystallization annealing |
| 12/15/2010 | CN201670855U External-sprinkling and internal-jetting water quenching system for steel pipes |
| 12/15/2010 | CN101918608A Security cabinet |
| 12/15/2010 | CN101918606A Ferrite-austenite stainless steel sheet for structural members excellent in workability and impact absorption characteristics and process for the production of the sheet |
| 12/15/2010 | CN101914736A Continuous annealing furnace |
| 12/15/2010 | CN101914719A Rare earth new material alloy white cast iron wear-resistant microspheres |
| 12/15/2010 | CN101914671A Steel ingot heating energy-saving method |
| 12/15/2010 | CN101914670A Method for cooling metal band and installation for implementing said method |
| 12/15/2010 | CN101914669A Cold induction quenching process for single tooth back of large-modulus gear ring |
| 12/15/2010 | CN101914668A Supporting device for thermal treatment of U-shaped pipe |
| 12/15/2010 | CN101914667A Continuous quenching and tempering device for valve rod end |
| 12/15/2010 | CN101914666A Method for improving transverse impact toughness of seamless steel tube |
| 12/15/2010 | CN101914661A Gas-shield water-based quenching device |
| 12/15/2010 | CN101914659A Surface pulse discharge discrete strengthening method for hot roll |
| 12/15/2010 | CN101389779B Damping alloy sheet and process for producing the same |
| 12/15/2010 | CN101285151B Petroleum case pipe with high strength and toughness and producing method thereof |
| 12/15/2010 | CN101132938B Member for reinforcing vehicle body |
| 12/15/2010 | CN101049654B Technique for heating and welding fan prepared from heterogeneic steels |
| 12/14/2010 | US7853348 Method for producing a metal |
| 12/14/2010 | US7850793 composed of a pearlite structure; breaking less; tensile strength; high-strength steel wires such as steel cords, tyre bead wires, steel wires for prestressed concrete, wire ropes |
| 12/14/2010 | US7850424 Steam turbine power plant |
| 12/09/2010 | WO2010139664A1 Hot forming with inlay material |
| 12/09/2010 | US20100308505 Plastic injection mold of low carbon martensitic stainless steel |
| 12/09/2010 | US20100307646 Cooling system and cooling method of rolling steel |
| 12/09/2010 | US20100307643 method for reducing stress in a conduit brace assembly |
| 12/09/2010 | DE102009023295A1 Crankshaft for internal combustion engine, comprises crankpins for bearing the crank shafts, finishing pins for bearing connecting rods and stringers between adjacent pairs of crankpins and finishing pins, and/or hardened transition areas |
| 12/09/2010 | DE102009010726B3 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners |
| 12/09/2010 | DE102009004089B3 Verfahren und Vorrichtung zum Behandeln von Werkstücken Method and apparatus for treating workpieces |
| 12/09/2010 | DE102006038670B4 Hochsiliziumhaltiger Stahlwerkstoff zur Herstellung von Kolbenringen und Zylinderlaufbuchsen Hochsiliziumhaltiger steel material for the manufacture of piston rings and cylinder liners |
| 12/08/2010 | EP2258887A1 High-strength steel sheet and process for production thereof |
| 12/08/2010 | EP2258886A1 High-strength hot-dip galvanized steel sheet with excellent processability and process for producing the same |
| 12/08/2010 | EP2258881A1 Quench hardened bearing washer for thrust bearing and thrust bearing |
| 12/08/2010 | EP2258507A2 Welded structure having improved resistance to stress corrosion cracking |
| 12/08/2010 | EP2257752A2 Industrial furnace and method for operating an industrial furnace |
| 12/08/2010 | EP2257652A2 Process for manufacturing austenitic stainless steel plate having high mechanical properties, and plate thus obtained |
| 12/08/2010 | EP2257394A1 Method of producing a hot-rolled twip-steel and a twip-steel product produced thereby |
| 12/08/2010 | CN201665698U Disconnecting prevention hook device connected with cold-rolling continuous-annealing loop trolley |
| 12/08/2010 | CN201665697U Burning frame positioning device for processing container |
| 12/08/2010 | CN201665696U Heat treatment test furnace |
| 12/08/2010 | CN201665695U Automatic vacuum heat treatment control furnace |
| 12/08/2010 | CN201665446U Horizontal loose sleeve |
| 12/08/2010 | CN1954088B Excellent cold-workability exhibiting high-strength steel wire or steel bar, or high-strength shaped article and process for producing them |
| 12/08/2010 | CN1525078B Differential device support structure and method for manufacturing the same |
| 12/08/2010 | CN101910424A Device for blowing a gas on a surface of a running strip material |
| 12/08/2010 | CN101908607A Aluminum-shell battery bottom or cover plate switching welding conductive metal sheet and processing method thereof |
| 12/08/2010 | CN101907145A Forming method for high-temperature alloy sine bellows spring |
| 12/08/2010 | CN101906918A Connecting rod structure |
| 12/08/2010 | CN101906571A CSP process-based manufacturing method of economical hot-rolled dual-phase steel with high surface quality |
| 12/08/2010 | CN101906567A High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof |
| 12/08/2010 | CN101906529A Method for controlling and treating bottom roller dross of carbon sleeve furnace |
| 12/08/2010 | CN101906528A Method for reducing pinchers of cold-rolled strip coil |
| 12/08/2010 | CN101906527A Heat processing furnace |
| 12/08/2010 | CN101906526A Heat treatment process of mandrel of mandrel pipe mill |
| 12/08/2010 | CN101906525A Method for correcting plane bending with high-precision thrust bearing ring |
| 12/08/2010 | CN101906524A Normalizing correction method for deformed large thin-walled gear ring |
| 12/08/2010 | CN101906523A Heat treatment process of nuclear power reactor pressure vessel reactor core cylinder forgings |
| 12/08/2010 | CN101906522A Circular seam local heat-treatment heater for nuclear steam generator |
| 12/08/2010 | CN101906521A Novel transverse hot air circulation device |