| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 01/10/2007 | CN2856059Y Two-stage deforming-proof water spraying coil for intermediate frequency quenching narrow length metal tubes |
| 01/10/2007 | CN2856058Y Continuous hot treatment machine for narrow length fastener |
| 01/10/2007 | CN1894432A Steel wire for cold forging having excellent low temperature impact properties and method of producing same |
| 01/10/2007 | CN1891846A Martensite stainless steel |
| 01/10/2007 | CN1891845A Steel sheet for dissimilar materials weldbonding to aluminum material and dissimilar materials bonded body |
| 01/10/2007 | CN1891844A Sheet slab process low-carbon high-manganese oriented electrotechnical steel sheet, and its manufacturing method |
| 01/10/2007 | CN1891843A Pipe for steam turbine, manufacturing process of same, and steam turbine power plant using those pipes |
| 01/10/2007 | CN1891398A Method for producing mavensite stainless-steel seamless pipe |
| 01/09/2007 | US7161124 Thermal and high magnetic field treatment of materials and associated apparatus |
| 01/09/2007 | US7160576 Heat treatment with simultaneous administration of a carbon-emitting medium such as carbon monoxide or acetylene inside a processing space such as a furnace |
| 01/04/2007 | WO2007001374A2 Method of making high strength ferrous article, and article made thereby |
| 01/04/2007 | WO2007000976A1 Heat treatment oil composition |
| 01/04/2007 | WO2006087152A3 Method for the production of a bearing ring for large-size rolling bearings |
| 01/04/2007 | US20070000916 Induction heating coil and induction method for multi-step shaft member |
| 01/04/2007 | US20070000881 Plasma processing installation, influenced by a magnetic field, for processing a continuous material or a workpiece |
| 01/04/2007 | US20070000582 Adjusting the prior austenite grain size through the thickness of a hardened layer formed by induction hardening to < 12 mu m to increase the torsional fatigue strength; controlling silicon and molybdenum content to inhibitaustenite grain growth; automobile drive shafts/constant velocity joints |
| 01/04/2007 | US20070000117 Method for producing hardened parts from sheet steel |
| 01/04/2007 | CA2605244A1 Heat treatment oil composition |
| 01/03/2007 | EP1738612A2 Multi-frequency heat treatment of a workpiece by induction heating |
| 01/03/2007 | EP1737989A1 Gas quenching method |
| 01/03/2007 | EP1737988A2 Energization cycle counter for induction heating tool |
| 01/03/2007 | EP1481107B1 Martensitic stainless steel and method for manufacturing the same |
| 01/03/2007 | EP1404882B1 Method for quenching steel in pressurized air |
| 01/03/2007 | CN2853810Y High frequency electromagnetic induction heating ring |
| 01/03/2007 | CN1890389A Steel sheet for containers, and manufacturing method therefor |
| 01/03/2007 | CN1888119A Sulfur-preventing oil well pipe and its production process |
| 01/03/2007 | CN1888116A High hardness and high wear resistance no-magnetism bearing steel |
| 01/03/2007 | CN1888094A Copying quech inducer for guide wheel beside tropezoidal wheel |
| 01/03/2007 | CN1888093A Inducing quenching and tempering process of automobile knuckle |
| 01/03/2007 | CN1888091A Cooling structure of inducing heat of quenching machine |
| 01/03/2007 | CN1888090A Orthodontic arch filament forming method and apparatus |
| 01/03/2007 | CN1888089A Heat treatment process of important screw of marine diesel engine |
| 01/03/2007 | CN1887709A Prepn process of magnesia for silicon steel |
| 01/03/2007 | CN1293210C High frequency quenching device for uniform speed universal joint |
| 01/02/2007 | US7156979 steels comprising nickel, chromium, manganese, silicon, titanium, niobium, trace elements and carbon, having noncoking surface coverings comprising manganese chromite, used as chemical reactors for thermocracking |
| 01/02/2007 | CA2372062C Pushing block for cvt belt and manufacturing method therefor |
| 12/28/2006 | WO2006136079A1 An austenite-film toughened martensite wear-resisting cast steel and its manufacture process |
| 12/28/2006 | US20060292513 Method and device for cooling or quenching slabs and sheets with water in a cooling pond |
| 12/28/2006 | US20060292397 Method for micromachining metallic materials |
| 12/27/2006 | EP1736555A1 Metal part cooling method, metal part producing method, and metal part cooling device |
| 12/27/2006 | EP1735473A1 Plants for annealing metal straps |
| 12/27/2006 | EP1735117A2 Powdered metal multi-lobular tooling and method of fabrication |
| 12/27/2006 | EP1735116A1 Method for producing mat-surfaced austenitic stainless steel straps |
| 12/27/2006 | CN2851273Y Continuous marquenching device for steel strip |
| 12/27/2006 | CN1886524A Cooling process and device for a steel sheet |
| 12/27/2006 | CN1886523A Method of quench hardening and device for use therein |
| 12/27/2006 | CN1885600A Solid electrolyte membrane fuel cell metal bipolar plate containing nitrogen carbon surface and method for manufacturing same |
| 12/27/2006 | CN1884593A Sheet annealing furnace |
| 12/27/2006 | CN1884592A Stepped quenching process and its apparatus suitable for bainite and martensite quenching |
| 12/27/2006 | CN1292089C Steel sheet for vitreous enameling and method for producing the same |
| 12/27/2006 | CN1292081C Heat treatment apparatus, heat treatment method, medium on which heat treatment program is recorded |
| 12/26/2006 | US7154067 Hardening method and apparatus utilizing laser beams |
| 12/26/2006 | US7153322 Tubular stent with oval struts |
| 12/21/2006 | WO2005118902A3 Nano-crystalline steel sheet |
| 12/21/2006 | DE102005016535B3 Forming zones of different hardness in hardenable workpiece, e.g. of steel, by simultaneous direct and indirect cooling of different regions using coolant supplied via channel- and/or slit-form guide paths |
| 12/20/2006 | EP1734147A1 Process for producing austenite stainless steel, solder melting vessel and autosoldering apparatus |
| 12/20/2006 | EP1734136A2 Method and apparatus for the treatment of a component |
| 12/20/2006 | EP1734135A2 Press and process for warm forming and hardening of steel workpieces |
| 12/20/2006 | EP1733062A1 Method for producing a component by reshaping a plate, and device for carrying out said method |
| 12/20/2006 | EP1732716A1 Method for producing a metal |
| 12/20/2006 | EP1625240B1 Quenching fluid composition |
| 12/20/2006 | CN2848869Y Automobile half shaft bulk medium frequency quenching device constructed using rectangular multi loop sensor |
| 12/20/2006 | CN2848867Y On time quenching sensing ring |
| 12/20/2006 | CN1291046C Process for making double peak grain size distributed superfine grain structure from 20CrMnTi steel |
| 12/20/2006 | CN1291045C Heat/cold treatment mechanism |
| 12/20/2006 | CN1290634C Method for cooling steel sheet and method of manufacturing steel sheet |
| 12/19/2006 | US7150798 determining exposure temperature of Al and Cr of a gamma/gamma' MCrAlY coating after high temperature use by measuring coating electrical conductivity and magnetic permeability at different locations by means of a multifrequency eddy current system |
| 12/19/2006 | US7150777 to recover valuable gases at any pressure in a process, including the recovery from high vacuum level container in the last stage of gas recovering; prevents quenching gas from being lost to the atmosphere; receiver vessel is able to maintain constant pressure by means of changing its volume |
| 12/19/2006 | US7150092 Method for manufacturing spin valve |
| 12/14/2006 | DE19750606B4 Verfahren zur Wärmebehandlung und Temperung von chirurgischen Nadeln Process for the heat treatment and annealing of surgical needles |
| 12/14/2006 | DE102006022270A1 Producing a hollow pivot for a motor vehicle joint comprises forging the pivot from a tube of austenitic steel and subjecting it to a hardening treatment that does not change the austenitic nature of the steel |
| 12/13/2006 | EP1731625A1 Steel wire for spring |
| 12/13/2006 | EP1325275B1 Arrangement and method for heating gas in a gas duct in connection with continuously operated sintering |
| 12/13/2006 | CN2846434Y 线材退火机 Wire annealing machine |
| 12/13/2006 | CN1878878A Apparatus and method for heat treatment of metallic work pieces |
| 12/13/2006 | CN1876896A Boron-Chromium-rare earth co-infiltration process combined with pre-infiltration cold deformation for workpiece |
| 12/13/2006 | CN1876879A Micro-alloy weldable cast steel tooth stand and preparation method thereof |
| 12/13/2006 | CN1876875A Rare earth molybdenum alloy wire and preparation method thereof |
| 12/13/2006 | CN1876874A Mo-La-Ce rare earth molybdenum alloy wire and preparation method thereof |
| 12/13/2006 | CN1289696C Wheel rotating quenching process and apparatus therefor |
| 12/13/2006 | CN1289695C Method and device for quenching steel in pressurized air |
| 12/13/2006 | CN1289694C Method of continuously casting electrical steel strip with controlled spray cooling |
| 12/12/2006 | US7147932 Metal strip product |
| 12/12/2006 | US7147931 Metal strip product |
| 12/12/2006 | US7147732 Quenching method and apparatus |
| 12/12/2006 | US7147731 Flanged parts producing method, and heat-treating device and heat treating method therefor |
| 12/12/2006 | US7147730 High carbon steel and production method thereof |
| 12/12/2006 | US7147729 Method and apparatus for induction heat treating electrical contacts |
| 12/12/2006 | US7147726 Surface nanocrystallization by ball milling including setting in a circular motion a quantity of perfectly spherical balls in a chamber, at least one of whose walls supports or is the metal piece to be treated and imparting a vibrating motion perpendicular to the plane of the circulation motion |
| 12/12/2006 | US7147201 Method for annealing an electrodeposition structure |
| 12/12/2006 | US7146735 Method of making a bearing ring for a large roller bearing |
| 12/07/2006 | WO2006128821A1 Method for producing a metallic component comprising adjacent sections having different material properties by means of press hardening |
| 12/07/2006 | WO2006128387A1 High-carbon and silicon-containing ultra-hard super-tough high-speed steel |
| 12/07/2006 | WO2006071502A3 Composition and process for enhanced properties of ferrous components |
| 12/07/2006 | US20060275728 Roller table roll, particularly for conveying furnace-heat |
| 12/07/2006 | US20060275554 High performance kinetic spray nozzle |
| 12/07/2006 | US20060272752 Gas quenching method using a recycling facility |
| 12/07/2006 | CA2610378A1 Method for producing a metallic component comprising adjoining portions having differing material properties |
| 12/06/2006 | EP1728878A2 Process and device for hardening of saw-tooth and all-steel card clothing, and saw-toothed wire |
| 12/06/2006 | EP1727920A1 Uphill method for the heat treatment and reduction of internal stresses of cast parts produced from a light metal melt ,especially an aluminium melt |