| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 11/26/2008 | CN201154330Y Internal water spraying reducing nozzle for steel tube quench |
| 11/26/2008 | CN101311292A Novel anti-scaffolding heat-resisting alloy, hearth roll of stainless steel normalizing furnace and production process thereof |
| 11/26/2008 | CN101311287A Grain oriented magnetic steel sheet |
| 11/26/2008 | CN101311278A Surface heat-treatment process for eccentric shaft |
| 11/26/2008 | CN101310917A Production method of Fe-Ni low-expansion alloy wire |
| 11/26/2008 | CN101310914A Surfacing welding rod of transition layer of sink roller for melted zinc bath and surfacing technique |
| 11/26/2008 | CN100436852C Shell type needle roller bearing, support structure of compressor spindle, and support structure of piston pump drive part |
| 11/26/2008 | CN100436629C Steel product for structural member of automobile and method for production thereof |
| 11/26/2008 | CN100436628C Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 11/26/2008 | CN100436608C Method and arrangement for annealing of strips |
| 11/26/2008 | CN100436607C Quenching process and its quenching device for bearing internal and external rings |
| 11/26/2008 | CN100436606C Technological process for quenching and tempering bimetal bandsaw |
| 11/26/2008 | CN100436605C Method for manufacturing non-oriented silicon steel sheet |
| 11/26/2008 | CN100436045C Manufacturing method for annular forging piece |
| 11/26/2008 | CN100436044C A sort of Fe-Ga magnetostriction alloy wire and preparation method |
| 11/26/2008 | CN100436043C Production process of PS printing base for high grade printing |
| 11/26/2008 | CN100436042C Thin slab process high magnetic induction oriented electrical steel sheet and its manufacturing method |
| 11/26/2008 | CN100435987C Method for manufacturing 700MPa high-strength weathering steel based on thin slab continuous casting and rolling flow by use of Ti microalloying process |
| 11/25/2008 | US7455736 Melting, galvanizing, heating, alloying |
| 11/25/2008 | US7455242 Railway track system |
| 11/20/2008 | WO2008140873A1 Seam-welded 36 ni-fe alloy structures and methods of making and using same |
| 11/20/2008 | WO2008139817A1 Method and apparatus for performing high frequency heat treatment to power transmission member |
| 11/20/2008 | WO2008139702A1 Ball screw and method for manufacturing the ball screw |
| 11/20/2008 | WO2008139639A1 Bend pipe and process for manufacturing the same |
| 11/20/2008 | WO2008138642A1 Use of a steel alloy for well pipes for perforation of borehole casings, and well pipe |
| 11/20/2008 | WO2008138330A1 Use of a steel alloy for axle tubes, and axle tube |
| 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 | US20080286504 Steel Plate or Steel Pipe with Small Occurrence of Bauschinger Effect and Methods of Production of Same |
| 11/20/2008 | US20080283161 High strength seamless steel pipe excellent in hydrogen-induced cracking resistance and its production method |
| 11/20/2008 | US20080283160 air cooling after hot rolling steel, tempering |
| 11/20/2008 | US20080283157 Method of Production of Hot Dipped Hot Rolled Steel Strip |
| 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 |
| 11/20/2008 | CA2685001A1 Use of a steel alloy for well pipes for perforation of borehole casings, and well pipe |
| 11/19/2008 | EP1992712A1 High-strength stainless steel spring and process for manufacturing the same |
| 11/19/2008 | EP1992708A1 Process for producing grain-oriented magnetic steel sheet with excellent magnetic property |
| 11/19/2008 | EP1992707A2 Material of case for storage cell |
| 11/19/2008 | EP1991075A2 Method for making a protective garment and resulting protective garment |
| 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 | 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 | CN101307418A Vertical lift three-dimensional composite skip |
| 11/19/2008 | CN101307382A Vertical continuous non-muffle bright annealing equipment for stainless steel band |
| 11/19/2008 | CN101307381A Novel continuous jet cooling quenching machine for steel tubes |
| 11/19/2008 | CN101307380A Accelerated cooling process of quenching machine for enhancing intensity of normalized steel plate |
| 11/19/2008 | CN101307379A Long axis structural parts performance fade heat treatment process |
| 11/19/2008 | CN101306499A Production method of steel plate for blast furnace jacket |
| 11/19/2008 | CN100434561C Steel in use for soldering pressure pipe in hydraulic power station under large line energy, and manufacturing method |
| 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 | CN100434226C Bulb through-flow units radial type rotor support rack welding deformation controlling means |
| 11/19/2008 | CN100434222C Welding process and apparatus for major diameter roller |
| 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 |
| 11/18/2008 | CA2330010C Steel sheets, hot-dipped steel sheets and alloyed hot-dipped steel sheets as well as method of producing the same |
| 11/13/2008 | WO2008136516A1 High-strength steel sheet excelling in flange extensibility and fatigue performance and method of smelting for molten steel thereof |
| 11/13/2008 | WO2008136290A1 Steel sheet for use in can, and method for production thereof |
| 11/13/2008 | WO2008136142A1 Iron core annealing furnace |
| 11/13/2008 | WO2008136068A1 Method and device for improving residual stress in pipe body |
| 11/13/2008 | WO2008135445A1 Method for hot dip galvanising of ahss or uhss strip material, and such material |
| 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 | EP1990556A1 Clutch member and process for manufacturing the same |
| 11/12/2008 | EP1990439A2 High-strength nonmagnetic stainless steel, and high-strength nonmagnetic stainless steel part and process for producing the same |
| 11/12/2008 | EP1990436A1 Wire with excellent suitability for drawing and process for producing the same |
| 11/12/2008 | EP1990431A1 Method of manufacturing annealed, very high-resistance, cold-laminated steel sheets, and sheets produced thereby |
| 11/12/2008 | EP1990127A2 Method for manufacturing a fracture split component, component manufactured according to this method and its use |
| 11/12/2008 | EP1990107A1 PROCESS FOR PRODUCING HIGH-Cr SEAMLESS PIPE |
| 11/12/2008 | EP1902147B1 Equipment and method for hardening treatment of metallic parts |
| 11/12/2008 | CN201148453Y Chain type heat processing furnace |
| 11/12/2008 | CN201148452Y Double-layer roller bottom type carriage wheel quenching and tempering line |
| 11/12/2008 | CN201148450Y Steel tube quenching equipment |
| 11/12/2008 | CN201148449Y Large specification bar material heat engine rolled hardening device |
| 11/12/2008 | CN101305109A Iron-based alloy having shape-memory property and superelasticity and method for manufacture thereof |
| 11/12/2008 | CN101305106A Installation for the dry transformation of a material microstructure of semi-finished products |
| 11/12/2008 | CN101302619A Supersonic spray coating method of crystallizer copper plate |
| 11/12/2008 | CN101301718A Method for manufacturing cold film of copper wire |
| 11/12/2008 | CN100432275C Continuous annealing furnace for blown aluminium plate |
| 11/12/2008 | CN100432274C Aluminium alloy solutionizing, aging gas-heating processing furnace |
| 11/12/2008 | CN100432261C Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness and method for producing thereof |
| 11/12/2008 | CN100431830C Steel-clad-steel composite material and method for manufacturing the same |
| 11/12/2008 | CN100431781C Method for making hammer stem for forging equipment |
| 11/11/2008 | US7449074 Process for forming a nano-crystalline steel sheet |
| 11/11/2008 | US7448484 Roller-conveyor roller for the transport of furnace-heated metallic strip material |
| 11/06/2008 | WO2008133175A1 Flexible tin-plated steel sheet and process for producing the same |
| 11/06/2008 | WO2008133062A1 High-strength hot-dip galvanized steel sheet and method for producing the same |
| 11/06/2008 | WO2008132303A1 Steel for tool-less hot forming or quenching with improved ductility |
| 11/06/2008 | US20080271824 Spring Steel Wire |
| 11/06/2008 | US20080271822 Heat resistant super alloy and its use |
| 11/06/2008 | DE202008011194U1 Retortenofen zur Wärmebehandlung von metallischen Werkstücken A retort oven for the heat treatment of metallic workpieces |
| 11/06/2008 | CA2684031A1 High tensile-strength galvanized steel sheet and process for manufactutring high tensile-strength galvanized steel sheet |
| 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 | CN201144265Y Temperature control system for continuous heat treatment furnace |
| 11/05/2008 | CN201144264Y Reducing annealing furnace for hot dip galvanizing process |
| 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 |