| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 12/22/2005 | WO2005102559A3 Powdered metal multi-lobular tooling and method of fabrication |
| 12/22/2005 | US20050279431 Steel tube for bearing element parts and method of manufacturing as well as machining the same |
| 12/22/2005 | DE102004037074B3 Heat treatment system for piece of steel comprises heating to 1100 degrees C over 120 seconds and maintained at high temperature for 0.5 to 20 seconds before rapid cooling |
| 12/21/2005 | CN1232672C Sheet steel and method for producing thereof |
| 12/21/2005 | CN1232661C Method for cooling work pieces, especially shape-rolled products from rail steel |
| 12/21/2005 | CN1232660C Gas-cooled single chamber heat treating furnace |
| 12/21/2005 | CN1232659C Continuous staged or isothermal quenching cooling apparatus |
| 12/20/2005 | US6976376 Apparatus and method for quenching thin-walled metal hollow casing |
| 12/15/2005 | WO2005118904A2 Case hardened stainless steel oilfield tool |
| 12/15/2005 | US20050274718 Method and device for thin plate article induction heating, and thin plate article |
| 12/15/2005 | DE102004024573A1 Processing cylinder bores for cylindrical crankcase of internal combustion (IC) engine, involves treating cylinder bearing surface of cylinder bore using e.g. electric induction, according to distortion produced during shaping of bore |
| 12/15/2005 | DE102004023579A1 Process for heat treatment of a stainless steel joint part involving heat treatment of a partial region of the part with resultant softening of the steel useful in automobile construction, especially for strengthening of automobile bodies |
| 12/14/2005 | EP1603625A1 Elongated intracorporal medical device |
| 12/14/2005 | EP1603624A1 Elongated intracorporal medical device |
| 12/14/2005 | EP1511867B1 Method and device for continuous annealing metallic ribbons |
| 12/14/2005 | EP1212472B1 Contour forming of metals by laser peening |
| 12/14/2005 | CN1708594A Method for producing grain oriented magnetic steel sheet and grain oriented magnetic steel sheet |
| 12/14/2005 | CN1708369A Mold for casting and method of surface treatment thereof |
| 12/14/2005 | CN1231605C Method and device for eliminating vibration of band materials especially in nozzle area of cooling area |
| 12/13/2005 | US6974506 Controlling heating, cooling; transformation; controlling particle sizes |
| 12/08/2005 | WO2005116284A1 Seamless steel pipe and method for production thereof |
| 12/08/2005 | WO2005115701A1 Suction transfer apparatus for object to be heated |
| 12/08/2005 | US20050269074 Case hardened stainless steel oilfield tool |
| 12/08/2005 | US20050268990 Carbo-nitrided case hardened martensitic stainless steels |
| 12/08/2005 | DE102004024391A1 Copper alloy component comprises a surface structure formed using high energy radiation, and a modified edge layer |
| 12/08/2005 | DE102004019181A1 Verfahren zur Herstellung von wässrigen Polyvinyllactam-Dispersionen A process for the preparation of aqueous dispersions polyvinyllactam |
| 12/07/2005 | EP1602744A1 Carbo-nitrided case hardened martensitic stainless steels |
| 12/07/2005 | EP1602738A1 Gas jet cooling device |
| 12/07/2005 | EP1602440A1 Laser beam hardening tool with tool holding portion for machine tool |
| 12/07/2005 | EP1601809A1 Method for the production of dual phase sheet steel |
| 12/07/2005 | EP1601800A1 Suface hardened stainless steel with improved wear resistance and low static friction properties |
| 12/07/2005 | EP1601404A1 Elongated intracorporal medical device |
| 12/07/2005 | EP1243664B1 Bar or wire product for use in cold forging and method for producing the same |
| 12/07/2005 | CN1705758A Screw or tapping screw |
| 12/07/2005 | CN1704486A Gas jet cooling device |
| 12/07/2005 | CN1230262C Method for altering profile of roller strip |
| 12/06/2005 | US6972058 Heat treatment method and apparatus |
| 12/01/2005 | WO2005113841A2 Method for producing a shaft pertaining to a starter |
| 12/01/2005 | US20050263505 Laser beam hardening tool |
| 12/01/2005 | US20050263221 Alloy composition and process for the manufacture of glass making moulds |
| 12/01/2005 | US20050263219 Device and method for remelting metallic surfaces |
| 12/01/2005 | US20050262982 Coolant delivery system and continuous fabrication apparatus which includes the system |
| 12/01/2005 | US20050262723 Gas jet cooling device |
| 12/01/2005 | DE102004024299A1 Geschweisstes Bauteil Welded component |
| 12/01/2005 | DE102004006093B3 Verfahren zur Herstellung eines dreidimensional geformten Panzerungsbauteils für Fahrzeugkarosserien A process for producing a three-dimensionally formed armoring component for vehicle bodies |
| 11/30/2005 | EP1599885A2 Induction heat treatment of complex-shaped workpieces |
| 11/30/2005 | EP1599611A1 Surface modified precipitation hardened stainless steel |
| 11/30/2005 | EP1521860A4 Quenched and tempered steel wire with superior cold forging characteristics |
| 11/30/2005 | EP1076725A4 Method and apparatus for straightening turbine casings |
| 11/30/2005 | CN1703530A Surface-carbonitrided stainless steel parts excellent in wear resistance and method for their manufacture |
| 11/30/2005 | CN1703525A Cu-containing steel material having superior surface quality, and manufacturing method therefor |
| 11/30/2005 | CN1702178A Laser beam hardening tool |
| 11/29/2005 | US6969558 Low sulfur article having a platinum-aluminide protective layer, and its preparation |
| 11/24/2005 | WO2005110638A1 A device and a method for shaping and quenching a beam |
| 11/24/2005 | US20050257862 Production method of warm- or hot-formed product |
| 11/24/2005 | US20050257860 a steel containing at least carbon of 0.4 to 1.5 wt % is quenched at a surface layer of the steel through a deeper portion under the surface layer to form two or more kinds of quench hardened layers, in which one two quench hardened layers has a structure in which cementite are dispersed in 2% or more |
| 11/24/2005 | US20050257858 Prior to introduction of the castings into a heat treatment station, the castings are subjected to heating sufficient to arrest cooling of the castings at or above a process control temperature for the metal |
| 11/24/2005 | US20050257857 Surface on a stainless steel matrix |
| 11/24/2005 | DE102005018974A1 Process for heating electrically conducting coated and non-coated metallic plates for homogeneous endless workpieces comprises using electrical contact elements which are arranged on the plate for uniformly heating the material |
| 11/23/2005 | EP1597011A1 A steel member and a method of hard-facing thereof |
| 11/23/2005 | EP1290237B1 Steel alloy, plastic moulding tool and tough-hardened blank for plastic moulding tools |
| 11/23/2005 | CN2741991Y Continuous induction heating quenching coil |
| 11/23/2005 | CN2741990Y Stepless speed regulation plasma beam surface metallurgical machine tool |
| 11/23/2005 | CN2741989Y Conveyer belt type tempering furnace with strong wind cooling room |
| 11/23/2005 | CN1701637A Method and device for thin plate article induction heating, and thin plate article |
| 11/23/2005 | CN1699608A Heat processing unit case heat treating method and its device |
| 11/23/2005 | CN1699607A Heat processing unit case heat treating method and its device |
| 11/23/2005 | CN1698993A Production method of warm- or hot-formed product |
| 11/23/2005 | CN1228460C Contour forming of metals by laser peening |
| 11/23/2005 | CN1228459C Locally reinforced heating method and device for hot rolling steel billet before discharging |
| 11/23/2005 | CN1228458C Oil composition for heat treatment |
| 11/22/2005 | US6966954 Nitriding surfaces; hardness; controlling microstructure |
| 11/22/2005 | CA2316771C Heat resistant cr-mo alloy steel |
| 11/17/2005 | WO2005108629A1 Gas quenching method |
| 11/17/2005 | US20050255333 On zinc or a zinc alloy; free from the presence of silicate, cerium, aluminum, and borate; clear or colorless; multicolor iridescence; chromium index greater than 10 |
| 11/17/2005 | US20050252587 heat treatment of steel product having been subjected to quenching or accelerated cooling on hot rolling line after hot rolling to pass steel product through induction heating apparatuses; high strength, toughness |
| 11/17/2005 | US20050252580 Cold work tool steel |
| 11/17/2005 | DE102004028236B3 Assembly for heating workpieces before shaping in a press, e.g. high tensile steel sheets for automobile bodywork components, has a kiln with a jet field and fans to give the workpieces a convective heating action |
| 11/17/2005 | DE102004019693A1 Fabrication process for hardened sheet steel profile uses perforation tool to cut apertures into profile during cooling process after forming in forming tool |
| 11/17/2005 | DE102004018921A1 Method for producing a connecting rod involves use of the heat introduced in the heat treatment operation for preliminary heating in the subsequent coating operation |
| 11/16/2005 | EP1595966A1 Steel pipe for bearing elements, and methods for producing and cutting the same |
| 11/16/2005 | EP1594997A2 Eglin steel - a low alloy high strength composition |
| 11/16/2005 | EP1268865B1 Method and device for thermal treatment of steel wire |
| 11/16/2005 | CN2740622Y Quenching cooler of petroleum rod joint |
| 11/16/2005 | CN2740621Y 连续退火炉 Continuous annealing furnace |
| 11/16/2005 | CN1696326A Cold work tool steel |
| 11/16/2005 | CN1227378C Heat treating method for metal work piece |
| 11/15/2005 | US6964711 Process for the production of grain oriented electrical steel strips |
| 11/15/2005 | CA2131409C Heat treated stainless steel needles and methods of making same |
| 11/10/2005 | WO2005107325A2 Multi-frequency heat treatment of a workpiece by induction heating |
| 11/10/2005 | WO2005107324A1 Induction heating coil and induction heating method for multi-step shaft member |
| 11/10/2005 | WO2005106050A1 Method for improving the fatigue properties in a structure and structure made by such method |
| 11/10/2005 | WO2005106049A1 TEMPERING PROCESS FOR SINTERED NdFeB PERMANENT MAGNET |
| 11/10/2005 | WO2005105343A1 Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
| 11/10/2005 | US20050247704 Multi-frequency heat treatment of a workpiece by induction heating |
| 11/10/2005 | DE10258114B4 Fire-resistant welding steel in the form of hollow profiles, supports or molded steel contains alloying additions of silicon, manganese, aluminum, molybdenum, tungsten and niobium |
| 11/10/2005 | CA2562192A1 Multi-frequency heat treatment of a workpiece by induction heating |
| 11/09/2005 | EP1594145A1 Heat treatment system |
| 11/09/2005 | EP1593142A2 Plasma processing installation |
| 11/09/2005 | EP1592816A1 Method of producing a cold-rolled band of dual-phase steel with a ferritic/martensitic structure and band thus obtained |