| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 07/06/2011 | CN101724744B Double-P type radiant tube and manufacture method thereof |
| 07/06/2011 | CN101578379B Method and apparatus for the heat treatment of welds |
| 07/06/2011 | CN101522330B Coiler furnace |
| 07/06/2011 | CN101443479B Directional electromagnetic steel sheet having high tension insulating coating film and method for processing the insulating coating film |
| 07/06/2011 | CN101423886B Heat treating method of coupler terminal pin hole, coupler and flame heating gun head |
| 07/06/2011 | CN101348858B Non-hydraulic plate quenching device for steel belt continuous quenching and steel belt cooling method |
| 07/06/2011 | CN101233247B Steel members, method for heat treatment of the same, and process for production thereof |
| 07/06/2011 | CN101215669B High-strength thick steel plate for large-scale petroleum storing tank and low-cost manufacturing method thereof |
| 07/06/2011 | CN101215624B On-line quenching production technique for high toughness thick steel plate |
| 07/06/2011 | CN101128273B High-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal and process for producing the same |
| 07/05/2011 | US7972451 Pearlitic steel rail excellent in wear resistance and ductility and method for producing same |
| 06/30/2011 | WO2011078412A1 High-strength cold rolled steel sheet and method for producing same |
| 06/30/2011 | WO2011078165A1 High-strength spring steel |
| 06/30/2011 | WO2011077945A1 Nitriding process for maraging steel |
| 06/30/2011 | WO2011077904A1 Connecting rod, single-cylinder internal combustion engine comprising same, and saddle type vehicle |
| 06/30/2011 | WO2011077708A1 Hot-rolled steel sheet and cold-rolled steel sheet, and processes for production thereof |
| 06/30/2011 | WO2011077579A1 Method for producing laminated ring |
| 06/30/2011 | WO2011077335A1 Walking beam reheat furnace designed for removing scale |
| 06/30/2011 | WO2011077328A1 A kiln for slabs made of a ceramic material |
| 06/30/2011 | WO2011076383A1 High strength hot dip galvanised steel strip |
| 06/30/2011 | WO2011022534A3 Interlocked jets cooling method and apparatus |
| 06/30/2011 | US20110159458 Endodontic Instrument With Modified Memory and Flexibility Properties and Method |
| 06/30/2011 | US20110155290 Case hardening steel, carburized component, and manufacturing method of case hardening steel |
| 06/30/2011 | DE10034421B4 Induktor Inductor |
| 06/29/2011 | EP2339044A1 Hot-pressed steel plate member and manufacturing method therefor |
| 06/29/2011 | EP2337960A1 Bearing heater |
| 06/29/2011 | EP2337871A1 Device for heating rod-shaped workpieces |
| 06/29/2011 | EP1041167B1 High strength thin steel sheet and high strength alloyed hot-dip zinc-coated steel sheet. |
| 06/29/2011 | CN201883123U Exhaust system of cooling furnace |
| 06/29/2011 | CN201883122U High-efficiency energy-saving metal strip continuous annealing furnace |
| 06/29/2011 | CN201883121U Jet cooling system on band steel heat treatment production line |
| 06/29/2011 | CN201883120U Annealing cooling system |
| 06/29/2011 | CN201883119U Cooling furnace kiln body |
| 06/29/2011 | CN201883118U Novel arc spiral roller furnace |
| 06/29/2011 | CN201883117U Energy-efficient full-automatic horizontal type disk energy-saving annealing production line with controllable atmosphere |
| 06/29/2011 | CN201883113U Quenching frame lifting device |
| 06/29/2011 | CN102112643A Thick, high tensile-strength hot-rolled steel sheets with excellent low temperature toughness and manufacturing method therefor |
| 06/29/2011 | CN102108469A Hot rolling hot straightening roll suitable for thick steel plates with thickness of less than or equal to 60mm and preparation method thereof |
| 06/29/2011 | CN102108437A Integrated adjustable rack |
| 06/29/2011 | CN102108436A Heat treatment method for alloy steel hollow car axle material for high-speed railway cars |
| 06/29/2011 | CN102108435A Automatic cooling method and equipment in process of heating large forgings |
| 06/29/2011 | CN102106631A Preparation method of for -sided embossed leaf metal souvenir badge |
| 06/29/2011 | CN101838724B Slab band quenching controlled cooling header capable of adjusting water flow |
| 06/29/2011 | CN101623746B Method for preventing lining plate of ball grinder from cracking |
| 06/29/2011 | CN101568655B High carbon hot-rolled steel sheet and method for production thereof |
| 06/29/2011 | CN101421425B Method of pretreatment for quenching of martensitic tool steel and method of quenching |
| 06/29/2011 | CN101065504B Treatment process for bars |
| 06/28/2011 | US7968046 Apparatus for cooling a metal strip |
| 06/28/2011 | US7967927 Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels |
| 06/28/2011 | US7967926 UOE steel pipe excellent in collapse strength and method of production thereof |
| 06/28/2011 | CA2461857C A hood-type annealing furnace, especially for steel strip and wire bunches |
| 06/23/2011 | WO2011075215A1 Compositions useful for preparing composites and composites produced therewith |
| 06/23/2011 | WO2011072883A1 Equipment and method for preheating a continuously moving steel strip |
| 06/23/2011 | US20110147373 Device for Hardening the Teeth of Gear Wheels by Individual Inductive Heat Treatment for Each Tooth, Using Several Inductors |
| 06/23/2011 | US20110146831 Corrosion Resistant Oil Field Tubulars for Use as an Oilfield Screen and Other Products and Method of Application |
| 06/22/2011 | EP2336374A1 Method and device for heating and partially cooling workpieces in a continuous furnace |
| 06/22/2011 | EP2334830A1 Method and device for producing hot-rolled strip from silicon steel |
| 06/22/2011 | EP1482193B1 Bearing device and method of manufacturing the bearing device |
| 06/22/2011 | CN201873735U Unit with functions of continuous hot galvanizing and continuous annealing |
| 06/22/2011 | CN201873722U Smoke discharge and furnace pressure control device of steel rolling heating furnace |
| 06/22/2011 | CN201873721U Anaerobic annealing furnace for welding wires |
| 06/22/2011 | CN201873720U Quench tank for heat treatment of front axle of heavy truck |
| 06/22/2011 | CN201873719U High-performance steel plate thermal treating device |
| 06/22/2011 | CN201873718U Cooling system used for bending wave plate production |
| 06/22/2011 | CN201873717U Stack type material cooling bed with movable tray |
| 06/22/2011 | CN102105614A Cold-rolled steel sheet, process for production of same, and backlight chassis |
| 06/22/2011 | CN102105606A Method for producing steel sheet for gasket, and gasket |
| 06/22/2011 | CN102105604A Manufacturing method for machine parts having superior rolling-contact fatigue life |
| 06/22/2011 | CN102105603A Exhaust poppet valve and solution treatment method of poppet valve |
| 06/22/2011 | CN102102455A Heat treatment construction method of large storage tank wallboard |
| 06/22/2011 | CN102102145A Method for measuring heating temperature of hot-charged blank |
| 06/22/2011 | CN102102144A A catenary type furnace |
| 06/22/2011 | CN102102143A Heat treatment process of limited deep hardening of groove end of shifting fork and special device thereof |
| 06/22/2011 | CN102102139A Wheel quenching device |
| 06/22/2011 | CN101798658B 24-30% Mn-containing alloy pipe material and manufacture method thereof |
| 06/22/2011 | CN101798654B Steel used for straight seam electric resistance welding petroleum casing and casing manufacturing method |
| 06/22/2011 | CN101775479B Alloying treatment method for surface of spheroidal graphite cast iron roll |
| 06/22/2011 | CN101760606B Control method of protective atmosphere of stainless steel cover type annealing furnace |
| 06/22/2011 | CN101712063B Rolling forming method of large and medium scale stainless steel solid disk forgings |
| 06/22/2011 | CN101688265B Process for producing high-strength cold rolled steel sheet with low yield strength and with less material quality fluctuation |
| 06/22/2011 | CN101657558B High-strength hot-dip galvanized steel sheet and method for producing the same |
| 06/22/2011 | CN101642782B Method for preparing Cr-Ni system Austenitic heat-resistant steel springs and cool-drawn steel wires thereof |
| 06/22/2011 | CN101623716B Preparation method of metal tube |
| 06/22/2011 | CN101564738B Machining process of directly pulling steel round rope into flat rope |
| 06/22/2011 | CN101519719B Method and device for thermally processing sclerotized nonferrous metal wires |
| 06/22/2011 | CN101379203B Method of induction hardening |
| 06/21/2011 | US7964043 Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 06/16/2011 | WO2011071234A2 Coin assembly, medal assembly, and manufacturing method of coin assembly and medal assembly |
| 06/16/2011 | WO2011071233A2 Coin assembly, medal assembly, and manufacturing method of coin assembly and medal assembly |
| 06/16/2011 | WO2011070063A1 Device for autofrettage |
| 06/16/2011 | WO2011009769A9 Method and device for energy-efficient hot forming |
| 06/16/2011 | US20110139320 Method of making a hypereutectoid, head-hardened steel rail |
| 06/16/2011 | US20110139319 Vertical heat treatment apparatus and heat treatment method |
| 06/15/2011 | EP2331716A1 Method and device for localized induction hardening treatment of mechanical components, specifically thrust blocks for large-sized rolling bearings |
| 06/15/2011 | EP1551591B1 Method of producing an air hardenable stainless steel tube |
| 06/15/2011 | EP1375682B1 Flanged parts producing method and heat treating device for flanged parts |
| 06/15/2011 | CN201867079U Jet cooling device for heat treatment furnace |
| 06/15/2011 | CN201864762U Clamping device for crankshaft vibratory stress relief |
| 06/15/2011 | CN201864761U Annular heating furnace with stepped furnace bottom |
| 06/15/2011 | CN201864760U Bidirectional heating inner hood for hood-type annealing furnace |