| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/25/2003 | EP1250205B1 Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy |
| 06/25/2003 | EP1183399B1 Rolling bearing steel having a surface with a lower bainitic structure and a method for the production thereof |
| 06/25/2003 | EP0946763A4 High strength deep drawing steel developed by reaction with ammonia |
| 06/25/2003 | CN2557532Y Double-enclosure material box for boxed heat treatment |
| 06/25/2003 | CN2557531Y On-line stress elimination device for copper alloy pipe and wire material |
| 06/25/2003 | CN2557530Y Bell jar lifting/lowering electric resistance furnace |
| 06/25/2003 | CN1426490A 滚动轴承部件 Rolling components |
| 06/25/2003 | CN1426484A Gas-cooled single chamber heat treating furnace, and method for gas cooling in furnace |
| 06/25/2003 | CN1426338A Method for brazing and article made therefrom |
| 06/25/2003 | CN1425853A Method for producing screw compressor and its rotor |
| 06/25/2003 | CN1112711C Process for heat treatment in magnetic field, of component made of soft magnetic material |
| 06/24/2003 | US6581672 Method for controlling a continuous strip steel casting process based on customer-specified requirements |
| 06/19/2003 | US20030113186 Vacuum heat-treatment apparatus |
| 06/19/2003 | US20030111146 Nano-composite martensitic steels |
| 06/19/2003 | US20030111145 Triple-phase nano-composite steels |
| 06/19/2003 | US20030111144 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 |
| 06/19/2003 | US20030111143 Flattened U-bolt and method |
| 06/18/2003 | EP1319731A1 Fireproof steel for a steel construction and process for manufacturing warm rolled hollow profiles, supports, a shape steel or a plate made thereof |
| 06/18/2003 | EP1319724A1 Vacuum heat-treatment apparatus |
| 06/18/2003 | DE10145599C1 Bauteile aus Stahl und Verfahren zur Wärmebehandlung von Bauteilen aus Stahl Steel components and method of heat treatment of components made of steel |
| 06/18/2003 | DE10144509C1 Ölbeseitigungsvorrichtung zum Reinigen von in Form von Coils vorliegenden Rohren An oil removing apparatus for cleaning tubes present in the form of coils |
| 06/18/2003 | CN2556208Y Medium-frequency induction heating quenching and tempering device for sucker rod |
| 06/18/2003 | CN1424425A Composite heat treatment |
| 06/18/2003 | CN1424411A Manufature for reciprocating ball steering gear screw rod |
| 06/18/2003 | CN1111606C Apparatus and method for cooling hot rolled steel rod |
| 06/12/2003 | WO2003049175A1 Beam irradiator and laser anneal device |
| 06/12/2003 | US20030108446 Screw compressor and method of manufacturing rotor for the same |
| 06/12/2003 | DE10215118C1 Device for cooling heat-treated wires comprises a cooling nozzle having a nozzle body in the form of a central part containing a wire feeding channel, the nozzle and coolant feeding channels and removing channels |
| 06/11/2003 | CN1423709A Modified low temperature case hardening processes |
| 06/11/2003 | CN1423706A Method for the production of a part of a rolling bearing |
| 06/11/2003 | CN1111203C Fluid fuel burning nozzle of reheating furnace, specially for heating iron or steel ingot |
| 06/11/2003 | CN1111202C Impulse current modification method of hand saw blade |
| 06/10/2003 | US6576877 Induction processing with the aid of a conductive shield |
| 06/10/2003 | US6576068 Chromium, nickel, molybdenum and nitrogen with pitting resistance equivalent number of >/= 50, remelting to homogenize |
| 06/05/2003 | WO2003046230A1 Press molding and its high frequency quenching method and its high frequency quenching system |
| 06/05/2003 | WO2003046229A1 Fastening element made of a carbon-containing steel and method for the production thereof |
| 06/05/2003 | WO2003046228A1 Method and device for the heat treatment of components |
| 06/05/2003 | WO2003007316A3 Method for producing nanocrystalline magnet cores, and device for carrying out said method |
| 06/05/2003 | WO2001049888A9 Method for austempering steel parts |
| 06/05/2003 | US20030104870 Case hardened journal cross for use in a universal joint and method of manufacturing same |
| 06/05/2003 | DE20305856U1 Cooling system for a heat treatment chamber used for treating metallic workpieces comprises a return forming a flow connection between a vacuum pump and a heat treatment chamber |
| 06/04/2003 | EP1316622A2 Method and apparatus for heat treating material |
| 06/04/2003 | EP0668891B1 Coating an object of interest |
| 06/04/2003 | CN1422194A Method for producing angular, stainless shot-blasting abrasives based on an Fe-Cr-C alloy |
| 06/04/2003 | CN1421541A Bearing parts, Heat treatment method of bearing parts and rolling bearing |
| 06/04/2003 | CN1110678C Convection-radiation system for continuous strip heat treatment |
| 06/04/2003 | CN1110642C Process components, containers and pipeline for containing and transporting cryogenic temperature fluids |
| 05/29/2003 | US20030098106 Propelling a fluid against a first section to increase a cooling rate of the first section relative to a that of a second |
| 05/29/2003 | US20030098097 .451-.598% carbon, .11-.29% silicon, .11-.39% manganese, 4.21-4.98% chromium, 2.81-3.29% molybdenum, .41-.69% vanadium and a balance of iron |
| 05/29/2003 | US20030098096 Hot formed high strength steel components and method of manufacturing the same |
| 05/28/2003 | EP1314944A1 Hot air blow type fluidized bed furnace, rotary type heat treatment furnace, heat treatment device, and heat treatment method |
| 05/28/2003 | EP1314339A1 Device for inductively heating metallic strips |
| 05/28/2003 | DE10219939C1 Apparatus for treating inner surface of cup-shaped workpieces includes inductor which fits into workpiece to heat it, and perforated disk connected to cooling spray and fitted against top face of workpiece |
| 05/27/2003 | US6570141 Transverse flux induction heating of conductive strip |
| 05/27/2003 | US6569267 High bearing pressure-resistant member |
| 05/27/2003 | US6568855 Rolling bearing unit with rotation speed detection instrument for use in cars and method for working outer race for use in this bearing unit |
| 05/22/2003 | US20030096714 Oil composition for heat treatment of a gear and gear treated by using the oil composition |
| 05/22/2003 | US20030094216 .05-.24% carbon, 15-28% cobalt and 1.5-9.5% in nickel, small percentages of chromium, molybdenum and vanadium with a balance of iron |
| 05/22/2003 | US20030094215 Rolling support device and method for manufacturing the same |
| 05/21/2003 | EP1024917B1 A steel and a heat treated tool thereof manufactured by an integrated powder metallurgical process and use of the steel for tools |
| 05/21/2003 | CN1418971A Method and device for metal piece heat treatment |
| 05/21/2003 | CN1109125C Method for forming Fe-W-Mo-Co type alloying surface on ferrous based work piece |
| 05/20/2003 | US6565682 Process for producing high-strength heat-resistant pipe |
| 05/20/2003 | US6565676 Material for a stretched mask for color picture tube |
| 05/20/2003 | US6564604 Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coated |
| 05/20/2003 | CA2177688C Method of treating brake pads |
| 05/15/2003 | US20030091256 Rolling bearing component |
| 05/15/2003 | US20030090032 Apparatus and method for quenching thin-walled metal hollow casing |
| 05/15/2003 | US20030089426 Vacuum carburizing with napthene hydrocarbons |
| 05/14/2003 | EP1310321A1 Laser beam machining method |
| 05/14/2003 | EP1151146B1 High-hardness powder metallurgy tool steel and article made therefrom |
| 05/14/2003 | EP1090149B1 Composition for removing oxides of alloys of precious metals |
| 05/14/2003 | EP1068367B1 Cold work steel |
| 05/14/2003 | CN2550375Y Multifunction rear quenching press of constant pressure unrestrained pipe flow |
| 05/14/2003 | CN1418141A Continuous high speed depositing method for double wound metal tube and depositing furnace for the method |
| 05/14/2003 | CN1417354A Laser quench controlling method and laser quencher |
| 05/14/2003 | CN1108227C Production method of dry laser cylinder jacket for internal combustion engine |
| 05/08/2003 | WO2003038140A1 Steel sheet for vitreous enameling and method for producing the same |
| 05/08/2003 | WO2003038133A2 Apparatus and method for transferring heat treated parts |
| 05/08/2003 | US20030084974 Several heat treatment procedures are performed on the product without the need for transferring the product to remotely located heat treatment facilities; for elongated metal products, such as rods and bars |
| 05/08/2003 | US20030084966 The matrix phase contains tempered martensite, tempered martensite and ferrite, tempered bainite, or tempered bainite and ferrite, and the second phase comprises 1 to 30% of martensite at an area ratio based on the entire structure |
| 05/08/2003 | DE10207988C1 Quenching a cast piece e.g. cylinder head comprises treating selected regions of the cast piece by surrounding the piece with a liquid cooling medium, and sucking or pressing the medium through the hollow chamber of the piece |
| 05/08/2003 | DE10147205C1 Verfahren zur Wärmebehandlung von Werkstücken aus temperaturbeständigen Stählen Process for the heat treatment of workpieces made of heat-resistant steels |
| 05/07/2003 | EP1308525A2 Method of controlling hardening with laser beam and laser beam hardening device |
| 05/07/2003 | EP1307607A1 Method and device for plasma treatment of moving metal substrates |
| 05/07/2003 | CN1107730C Low-vacuum heat treating method with less or no oxidization and its appts. |
| 05/07/2003 | CN1107729C Isothermal quenching process for preparing delayed fracture resisting high-strength steel |
| 05/07/2003 | CN1107728C Crystallite superfining method of structural alloy steel |
| 05/07/2003 | CN1107551C Slit nozzle for spraying continuous casting product with cooling liquid |
| 05/05/2003 | WO2003025250A1 Oil removing device for cleaning pipes that are present in the form of coils |
| 05/02/2003 | EP1306458A2 12Cr alloy steel for a turbine rotor |
| 05/02/2003 | EP1306457A2 Chromium steel |
| 05/02/2003 | EP1305133A1 Method and device for hardening a metal component by plasma pulse technology |
| 05/02/2003 | EP1169486B1 Method of producing a hot-rolled strip |
| 05/02/2003 | EP0991789B1 Tool steel composition |
| 05/01/2003 | WO2003035921A1 Martensitic stainless steel and method for manufacturing same |
| 05/01/2003 | WO2003035295A1 Flattened u-bolt and method_for making said u-bolt |
| 05/01/2003 | US20030080098 Method of controlling hardening with laser beam and laser beam hardening device |
| 04/30/2003 | CN2547738Y Steel bar quenching pipe for variable diameter prestressed concrete |
| 04/30/2003 | CN1414129A 12 Cr alloy steel for turbin rotor, its manufacturing method and turbin rotor |