| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 11/20/2008 | WO2008139702A1 Ball screw and method for manufacturing the ball screw |
| 11/20/2008 | US20080286597 Process of Forming Ultrafine Crystal Layer, Machine Component Having Ultrafine Crystal Layer Formed by the Ultrafine Crystal Layer Forming Process, Process of Producing the Machine Component, Process of Forming Nanocrystal Layer, Machine Component Having Nanocrystal Layer Formed by the Nanocrystal Layer Forming Process, and Process of Producing the Machine Component |
| 11/20/2008 | US20080286595 R-Fe-B Rare Earth Sintered Magnet and Method for Producing Same |
| 11/20/2008 | DE10023488B4 Verfahren zur Herstellung von geschweißten Stahlrohren hoher Festigkeit, Zähigkeits- und Verformungseigenschaften A process for the production of high strength welded steel tubes, toughness and deformation properties |
| 11/19/2008 | CN201151733Y Annealing furnace for metal wire |
| 11/19/2008 | CN201151732Y Annealing device for lead |
| 11/19/2008 | CN201151731Y Quenching rack device for quick transfer |
| 11/19/2008 | CN201151730Y Gas cycling cooling system outer furnace for double-chamber normal pressure hardening bottom |
| 11/19/2008 | CN201151729Y Exhaust of vacuum backfire nitriding furnace |
| 11/19/2008 | CN201151728Y Novel aging furnace |
| 11/19/2008 | CN101310030A Deoxygenation of furnaces with hydrogen-containing atmospheres |
| 11/19/2008 | CN101310029A Method and finishing train for hot-rolling starting material |
| 11/19/2008 | CN101307677A Renewed superhigh intensity distortion-resistant abrasion-proof oil well pipe and its process |
| 11/19/2008 | CN101307676A Renewed superhigh intensity distortion-resistant anti-corrosive oil well pipe and its process |
| 11/19/2008 | CN101307415A Austenitic stainless steel with excellent abrasive resistance in whole body |
| 11/19/2008 | CN101307381A Novel continuous jet cooling quenching machine for steel tubes |
| 11/19/2008 | CN101307378A Spheroidizing annealing process for medium carbon steel plate in bell furnace |
| 11/19/2008 | CN101307377A Steel rapid-heating device and steel rapid-heating method |
| 11/19/2008 | CN101306499A Production method of steel plate for blast furnace jacket |
| 11/19/2008 | CN101306434A Preparation method of low carbon low silicon no-aluminum half-technique non oriented electrical steel |
| 11/19/2008 | CN100435244C Nano crystal soft magnetic alloy superthin belt and mfg method thereof |
| 11/19/2008 | CN100434569C Method for modifying environment protection piston ring surface |
| 11/19/2008 | CN100434558C High-boron cast steel containing granular boride and preparing method thereof |
| 11/19/2008 | CN100434545C Installation for the heat-treatment of parts |
| 11/19/2008 | CN100434544C Method for preventing end-face spray quenching cracking of quenching piece by changing spray angle |
| 11/19/2008 | CN100434543C Homogenization treatment process of SAE8620 carburizing steel |
| 11/19/2008 | CN100434542C Normalizing heat treatment process of 20Cr2Ni4 steel |
| 11/19/2008 | CN100434541C Annealing process of 20CrMnTi steel for cold extrusion |
| 11/18/2008 | US7452526 Mixing a hot process stream comprising a solvent and a gellant with a cold process stream comprising a cosmetic active having a second temperature lower than the first temperature; solid antiperspirant ; improved uniformity |
| 11/18/2008 | CA2427999C Oil removing device for cleaning pipes that are present in the form of coils |
| 11/18/2008 | CA2367646C Apparatus for heat-treating a v-type cylinder block by induction heating |
| 11/13/2008 | WO2008136068A1 Method and device for improving residual stress in pipe body |
| 11/13/2008 | WO2008109652A3 Method for reducing formation of electrically resistive layer on ferritic stainless steels |
| 11/13/2008 | US20080277035 Conductin continuously along a roller conveyor, comprising upper and lower rollers; spraying water onto the flat steel product; removing a portion of sprayed water by suction to improve drainage |
| 11/13/2008 | US20080277034 Controlling work hardening of metal during cold forming by using an electric current; passing direct current through metal placed between dies; deformation |
| 11/13/2008 | US20080277031 Surface-carbonitrided stainless steel part excellent in wear resistance and its manufacturing method |
| 11/13/2008 | US20080276753 prevents cracks during joining of cam lobe to a shaft, and improves degree of freedom of design of the lobe; internal combustion engine |
| 11/13/2008 | US20080276458 Rolling bearings |
| 11/12/2008 | EP1990812A1 Amorphous transformer for electric power supply |
| 11/12/2008 | EP1989335A2 Surface treatment of metallic articles in an atmospheric furnace |
| 11/12/2008 | EP1902147B1 Equipment and method for hardening treatment of metallic parts |
| 11/12/2008 | CN201148841Y Superhigh intensity oil pumping rod |
| 11/12/2008 | CN201148450Y Steel tube quenching equipment |
| 11/12/2008 | CN201148449Y Large specification bar material heat engine rolled hardening device |
| 11/12/2008 | CN201148448Y Water pressure high-frequency quenching machine tool |
| 11/12/2008 | CN201148447Y Reinforced metallic surface semiconductor laser unit |
| 11/12/2008 | CN201148446Y Gas heating double-circulation annealing stove |
| 11/12/2008 | CN101305106A Installation for the dry transformation of a material microstructure of semi-finished products |
| 11/12/2008 | CN101302602A Rare earth austenite hot work die steel and preparation thereof |
| 11/12/2008 | CN101302601A High-strength tough large-cross section non-quenched and tempered steel rod and preparation thereof |
| 11/12/2008 | CN101302599A Niobium microalloyed high strength hot work die steel and preparation thereof |
| 11/12/2008 | CN101302597A Hypereutectic high-chromium white cast iron and preparation thereof |
| 11/12/2008 | CN100432610C Gas cooling type vacuum heat treating furnace and cooling gas direction switching device |
| 11/12/2008 | CN100432275C Continuous annealing furnace for blown aluminium plate |
| 11/12/2008 | CN100432268C Fe-based bulk amorphous alloy and method for preparing same |
| 11/12/2008 | CN100432245C DC solution treatment method and device for single-crystalline high-temperature alloy |
| 11/12/2008 | CN100432243C Sub-stabilisation austenitic stainless steel belt of weary characteristic fine used by metal shrapnel and metal shrapnel |
| 11/12/2008 | CN100431778C Method for making stainless steel ware |
| 11/11/2008 | US7448484 Roller-conveyor roller for the transport of furnace-heated metallic strip material |
| 11/06/2008 | WO2008132303A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/06/2008 | WO2008131598A1 A coating method and equipment for protecting steel billets from oxidating |
| 11/06/2008 | WO2008131513A1 Irradiance pulse heat-treating methods and apparatus |
| 11/06/2008 | US20080274008 Corrosion-Resistant Steel Excellent in Toughness of Base Metal and Weld Portion, and Method of Manufacturing the Same |
| 11/06/2008 | US20080274002 Powder injection molding composition |
| 11/06/2008 | US20080271824 Spring Steel Wire |
| 11/06/2008 | US20080271818 Ferromagnetic layer of a multilayer magnetoresistive element; applying soft amgentic shields; annealing |
| 11/06/2008 | CA2680623A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/05/2008 | EP1988179A2 Device and method for performing a localized induction hardening treatment on mechanical components, specifically thrust blocks for large-sized rolling bearings |
| 11/05/2008 | CN201144263Y Steel bar quenching and high temperature tempering production line |
| 11/05/2008 | CN201144262Y Quenching mechanism of steel ball quenching machine |
| 11/05/2008 | CN201144261Y Steel ball quenching machine |
| 11/05/2008 | CN201144260Y Special quenching machine tool for crankshaft |
| 11/05/2008 | CN201144259Y Water spray device in steel pipe |
| 11/05/2008 | CN201144258Y Vertical type spray quenching equipment |
| 11/05/2008 | CN201144257Y Nitrogen gas charging device of vacuum high-pressure gas quenching furnace |
| 11/05/2008 | CN201144256Y Water tank device for quenching external spray cooling |
| 11/05/2008 | CN201144255Y Circulation controllable wind cooling device for isothermal normalizing furnace |
| 11/05/2008 | CN201143531Y Angle-bar manufacturing equipment |
| 11/05/2008 | CN101300608A Marker for coded electronic article identification system |
| 11/05/2008 | CN101300368A High silicon niobium casting alloy and method of manufacturing the same |
| 11/05/2008 | CN101299990A Method of controlling oil-absorbing properties of a silicone rubber powder |
| 11/05/2008 | CN101298648A Molybdenum-titanium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique |
| 11/05/2008 | CN101298647A Iron-chromium-cobalt permanent magnetic alloy of composite microelements and deformation processing technique thereof |
| 11/05/2008 | CN101298646A Aluminum-niobium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique |
| 11/05/2008 | CN101298645A Steel plate having superior pitting corrosion resistance and manufacturing method thereof |
| 11/05/2008 | CN101298637A Wind power generation rotary bearing dual-track intermediate frequency induction hardening process |
| 11/05/2008 | CN101298636A Heat treatment spent liquor salt recovery processing method and apparatus |
| 11/05/2008 | CN101298114A Big thickness BFe30-1-1/35CrMo explosive welding high intensity high corrosion resistance composite board |
| 11/05/2008 | CN100430508C Antibacterial stainless steel production method based on general 430 ferritic stainless steel |
| 11/05/2008 | CN100430492C Method for producing general-oriented siliconsteel |
| 11/04/2008 | US7445746 Temperable member |
| 11/04/2008 | CA2438122C Rapid cooling apparatus for steel strip in continuous annealing facility |
| 10/30/2008 | WO2008130049A1 Metal plate induction heating device and induction heating method |
| 10/30/2008 | WO2008049513A8 Process and apparatus for hardening the surface layer of components having a complicated shape |
| 10/30/2008 | US20080264528 Rolling, sliding part and process for producing same |
| 10/30/2008 | US20080264527 Integrated metal processing facility |
| 10/30/2008 | DE102007018230A1 Verfahren zur Herstellung einer Kurbelwelle, insbesondere für schwere Dieselmotoren A process for preparing a crankshaft, in particular for heavy-duty diesel engines |
| 10/29/2008 | EP1985716A2 Apparatus and method for continuously processing long bar by heat treatment using induction heating |
| 10/29/2008 | EP1257414B9 Use of a dimensionally stable iron-chrome-aluminum film |
| 10/29/2008 | CN201141036Y Pressurization and refrigeration device of sawblade substrate |