| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
|---|
| 11/21/2002 | US20020173374 Material having the capacity of absorbing vibration |
| 11/21/2002 | US20020173373 Golf club head |
| 11/21/2002 | US20020170637 High strength, high toughness, seamless steel pipe for line pipe |
| 11/21/2002 | US20020170636 For torsionally-strained spring elements; heating at a rate of at least 50 K/s and austenitizing, at least one forming step; quenching to below the martensite temperature and then tempering |
| 11/21/2002 | US20020170425 Shoe for swash plate type compressor and method of producing the same |
| 11/21/2002 | US20020170330 Cooling system for press quenching and method for press quenching with said cooling system |
| 11/21/2002 | CA2446393A1 Method of quenching alloy sheet to minimize distortion |
| 11/20/2002 | EP1258657A1 Toroidal continuously variable transmission and method of manufacturing the transmission |
| 11/20/2002 | EP1257414A1 Use of a dimensionally stable iron-chrome-aluminum film |
| 11/20/2002 | EP1095170B1 Low temperature case hardening processes |
| 11/20/2002 | CN1380909A Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics and method for their production |
| 11/20/2002 | CN1380457A 缝纫机零件 Sewing Machine Parts |
| 11/20/2002 | CN1094521C Continuous heat treatment furnace and atmosphere control method and cooling method in continuous heat treatment furnace |
| 11/19/2002 | US6482473 Composition and method for dissipating heat |
| 11/19/2002 | US6482354 High-hardness powder metallurgy tool steel and article made therefrom |
| 11/19/2002 | US6482272 Using sulfur and,or phosphorous compound |
| 11/19/2002 | CA2255250C Method and system for cooling strip material |
| 11/14/2002 | WO2002090602A1 Oil composition for heat treatment |
| 11/14/2002 | WO2002063051A3 Integrated metal processing facility |
| 11/14/2002 | US20020166610 Rapidly cooling a steel workpiece maintained at a specified quenching temperature by immersing the steel workpiece in workpiece in a high-temperature quenching oil; soaking steel workpiece by heat possessed by the steel workpiece; cooling |
| 11/14/2002 | DE10207132A1 Verfahren zur Verstärkung eines Werkstückes in zumindest einem Teilbereich A method of reinforcing a workpiece in at least a partial region |
| 11/13/2002 | CN1094077C Model supported method for controlling cooling of rolled piece during rolling and cooling |
| 11/12/2002 | US6479013 Casting components made from a tool steel |
| 11/12/2002 | US6478898 Method of producing tool steels |
| 11/07/2002 | WO2002088403A1 Method for producing unidirectional silicon steel sheet free of inorganic mineral coating film |
| 11/07/2002 | WO2002088402A1 Method for enhancing the metallurgical quality of products treated in a furnace |
| 11/07/2002 | WO2002044429A3 Bainite blades |
| 11/07/2002 | WO2001029902A3 Device and method for tempering several process goods |
| 11/07/2002 | US20020163110 Treatment of ingots or spacer blocks in stacked aluminum ingots |
| 11/07/2002 | US20020162612 Preheating of metal strip, especially in galvanizing or annealing lines |
| 11/06/2002 | EP1198605A4 Methods of forming steel |
| 11/06/2002 | CN1378605A Steel material, its use and its manufacture |
| 11/06/2002 | CN1377978A Heat treating method for metal workpiece |
| 11/05/2002 | US6475309 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof |
| 11/05/2002 | CA2236639C Thixocast casting material, process for preparing thixocast semi-molten casting material, thixocasting process, fe-based cast product, and process for thermally treating fe-based cast product |
| 10/31/2002 | WO2002086177A1 Steel article |
| 10/31/2002 | WO2002086172A1 Method of producing stainless steels having improved corrosion resistance |
| 10/31/2002 | WO2002070754A3 Production of a cylindrical housing for a double screw extruder |
| 10/31/2002 | US20020160870 Pushing block for CVT belt and manufacturing method therefor |
| 10/31/2002 | US20020159498 High efficiency induction heating and melting systems |
| 10/31/2002 | US20020157735 Rolling part formed of carbon steel containing 0.5 to 0.8% by weight of Carbon, 0.5 to 1.2% by weight of Silicon and 0.3 to 1.3% by weight of manganese, produced through induction hardeneing |
| 10/31/2002 | DE10201336A1 Vorrichtung für die Wärmebehandlung eines V-förmigen Zylinderblocks durch Induktionserwärmung Apparatus for the heat treatment of a V-shaped cylinder block by induction heating |
| 10/31/2002 | DE10120919A1 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
| 10/31/2002 | DE10117987A1 Charging frame used for heat treatment and cooling of metal parts, e.g. roller bearing parts, to be hardened is partially screened over the height of one side |
| 10/30/2002 | EP1253289A2 Integrally bladed rotor airfoil fabrication and repair techniques |
| 10/30/2002 | EP1253208A1 Method of manufacturing a hardened sheet metal profile |
| 10/30/2002 | CN2518870Y Quick-cooling device for tube vacuum annealing furnace |
| 10/30/2002 | CN1376810A Cementation process and apparatus |
| 10/29/2002 | US6471798 Method and apparatus for heat treating steel |
| 10/29/2002 | US6470775 Crankshaft machining + hardening + machining + finishing |
| 10/29/2002 | CA2259775C Apparatus for producing heat treatment atmospheres |
| 10/24/2002 | WO2002085075A1 Transverse flux induction heating of conductive strip |
| 10/24/2002 | WO2002083965A1 Tool steel for plastic molds |
| 10/24/2002 | WO2002083959A1 Steel material prodction method |
| 10/24/2002 | US20020153358 Laser beam hardening device |
| 10/24/2002 | US20020153073 Inner pressure of purge chamber is reduced to a predetermined pressure level; atmosphere is supplied to interior of thus evacuated purge chamber so as to render inner pressure of this purge chamber equal to the inner pressure of heat chamber |
| 10/24/2002 | DE10157840C1 Vacuum furnace used for heat treating metallic workpieces comprises a cylindrical housing with a door on one end with a flange-like rim on the annular front side of the housing and a lid which slides on the door |
| 10/24/2002 | DE10126165A1 Verfahren zum Härten eines Oberflächenbereichs eines Werkstücks A method for curing a surface portion of a workpiece |
| 10/24/2002 | DE10121887C1 Process for treating piston ring side surfaces subjected to friction used in IC engines comprises applying self-lubricating elements or compounds containing an organic binder |
| 10/24/2002 | DE10118291A1 Device for laser irradiation of a surface of metallic workpieces comprises a deflecting mirror and a laser light source which releases a laser beam directed onto the mirror and deviated onto the reflection surface of the mirror |
| 10/23/2002 | EP1251187A1 Tool steel for plastic material molds |
| 10/23/2002 | EP1250975A2 Laser beam hardening device |
| 10/23/2002 | EP1250205A1 Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy |
| 10/23/2002 | EP1109941B1 Method for annealing an amorphous alloy and method for manufacturing a marker |
| 10/23/2002 | EP0996751B1 Method and apparatus for performing a heat treatment on metallic rings |
| 10/22/2002 | US6467213 Method of providing a weapon barrel with an internal hard chromium layer |
| 10/17/2002 | WO2002081760A1 Rapid cooling device for steel band in continuous annealing equipment |
| 10/17/2002 | US20020150495 Method and apparatus for metal processing |
| 10/17/2002 | US20020148830 Transverse flux induction heating of conductive strip |
| 10/16/2002 | EP1249505A1 Process for hardening a surface area of a workpiece |
| 10/16/2002 | EP1248862A1 Method for austempering steel parts |
| 10/16/2002 | CN2516562Y Source power amplifier of micro-plasma metal surface reinforced treatment device |
| 10/16/2002 | CN1374408A Apparatus and method for transferring metal workpieces and equipment for heat treatment of the same workpieces |
| 10/15/2002 | US6464927 Method and apparatus for in-line heat treatment of hot rolled stock |
| 10/15/2002 | US6464809 Slitting copper-based sheet to produce strips of copper-based material, heating strips in furnace under protective atmosphere at 200-250 degrees c to free strip of stresses, cooling |
| 10/15/2002 | US6464808 Method and apparatus for reducing wrinkles on a strip in a rapid cooling zone of a heat treatment line |
| 10/15/2002 | US6464801 Advanced case carburizing secondary hardening steels |
| 10/10/2002 | WO2002080622A1 Heat insulating board of induction heating apparatus |
| 10/10/2002 | WO2002079526A1 High strength steel tube for air bag and method for production thereof |
| 10/10/2002 | WO2002079525A1 Flanged parts producing method, and heat treating device and heat treating method |
| 10/10/2002 | WO2002079524A1 Device for the partial annealing of machined mechanical parts |
| 10/10/2002 | WO2002079523A1 Scale removing method for induction heating apparatus and induction heating apparatus |
| 10/10/2002 | US20020146659 Powdered metallurgy forming monolithic components ferrule and retaining collar for arrows |
| 10/09/2002 | EP1114199B1 Steel for making a ball bearing part |
| 10/08/2002 | US6461451 Contact surface includes a fluorine containing material; stack is heated to a temperature at which the fluorine containing material decomposes or vaporizes such that a layer of a fluorinated oxide compound is formed at the interfaces |
| 10/08/2002 | US6461448 Low temperature case hardening processes |
| 10/03/2002 | WO2002077467A1 High-strength bolt excellent in delayed fracture resistance characteristics and its steel product |
| 10/03/2002 | WO2002077310A1 High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof |
| 10/03/2002 | WO2001009397A3 Cooling system in continuously heat treatment of metal strips |
| 10/03/2002 | US20020139455 Process for case hardened dies in improving die life |
| 10/03/2002 | US20020139454 Rolling bearing and method of making same |
| 10/03/2002 | US20020139453 Directing a processing gas adjacent a laser toward the surface of a rotor and rotating at a certain speed and until the entire surface is treated; durability |
| 10/03/2002 | US20020139449 15-18% chromium, </=.5% manganese, silicon and carbon 4-10% nickel, >/=15% cobalt, </=4% tungsten, </=4% molybdenum and copper, .5-1% vanadium, niobium, tanalum, hafnium and zirconium totalling .001-.1%, 001-.05% titanum, .13-.25% |
| 10/03/2002 | US20020139445 Method of manufacturing laminated ring and molten salt composition for use in such method |
| 10/02/2002 | EP1245684A1 Apparatus for the partial annealing of mechanical workpieces |
| 10/02/2002 | EP0868245B1 Method for forming a cracking site for fracture separation of a component, in particular a connecting rod for internal combustion engines |
| 10/02/2002 | CN2514004Y Double pot position duplex chamber annealing furnace |
| 10/02/2002 | CN1091870C Non-oxidizing heating method and apparatus therefor |
| 10/01/2002 | US6458226 Process for the thermomechanical treatment of steel |
| 10/01/2002 | US6458220 Case hardened steel blades for sports equipment and method of manufacture |