| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 05/18/2005 | CN1617943A Steel for case hardening bearing excellent in toughness and rolling fatigue life in quasi-high temperature region |
| 05/18/2005 | CN1617942A Nano-composite martensitic steels |
| 05/18/2005 | CN1617941A Triple-phase nano-composite steels |
| 05/18/2005 | CN1616850A Gear part and method of producing thereof |
| 05/18/2005 | CN1616843A Metal push belt, transverse element and manufacturing method |
| 05/18/2005 | CN1616838A Power driving shaft |
| 05/18/2005 | CN1616699A Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength |
| 05/18/2005 | CN1616689A Quenching bath for quenching operation by lifting and lowering liquid surface |
| 05/18/2005 | CN1616688A Protective inner cover for annealing stainless steel |
| 05/12/2005 | WO2005042931A1 Method of manufacturing camshaft, camshaft, and cam lobe material used for the camshaft |
| 05/12/2005 | WO2005042793A1 High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof |
| 05/12/2005 | US20050101392 Power transmission shaft |
| 05/12/2005 | US20050100852 Support for a part to be subjected to heat treatment in an oven, and a method of heat treating a metal part |
| 05/11/2005 | EP1529122A2 Method and device for patenting steel wires |
| 05/11/2005 | EP1206583B1 Annealing plant |
| 05/11/2005 | CN2698807Y Electric pulse annealing and softening treatment device |
| 05/11/2005 | CN2698806Y Processing unit for lasing process of tubular workpiece inner wall |
| 05/11/2005 | CN1614052A Softening-resistant copper alloy and method of forming sheet of the same |
| 05/11/2005 | CN1614040A Material thermal treating surface temperature realtime monitoring system |
| 05/10/2005 | US6891139 Induction heating apparatus in which surface temperature and internal temperature of steel product are in highly accurate agreement with targets, and steel product has target characteristics |
| 05/10/2005 | US6890665 .15-.22% carbon, .18-1% silicon, .05-1% manganese, 10.5- 14% chromium, iron as substantial residual, < .2% nickel, < .05% aluminum, < .1% nitrogen, < .015% sulfur and < .02% phos-phorus, a scale layer of iron chromate and an antirust oil |
| 05/10/2005 | CA2262288C Martensitic stainless steel having oxide scale layers and method of manufacturing the same |
| 05/06/2005 | WO2005040443A1 Stainless steel wire, spring, and method for producing spring |
| 05/06/2005 | WO2004111279A3 Method and installation for the production of hot-rolled strip having a dual-phase structure |
| 05/05/2005 | US20050092404 Containing iron; lightweight, minature electronics; heat resistance |
| 05/05/2005 | US20050092402 Concurrently applying heat and vibration; oscillation |
| 05/05/2005 | US20050092396 Rolling bearing for a belt-type continuously variable transmission |
| 05/04/2005 | EP1528109A1 Porcess for the heat treatment of medium carbon steels |
| 05/04/2005 | EP1527829A1 Cooling device, manufacturing method, and manufacturing line for hot rolled steel band |
| 05/04/2005 | EP1527205A2 Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
| 05/04/2005 | DE10228743B4 Verfahren zum Glätten und Polieren von Oberflächen durch Bearbeitung mit Laserstrahlung Method for smoothing and polishing of surfaces by treatment with laser radiation |
| 05/04/2005 | CN2697107Y Semi-automatic electric spark surface intensifying equipment |
| 05/04/2005 | CN1612943A Method for producing grain-oriented silicon steel plate with mirror surface |
| 05/04/2005 | CN1611628A Rolling bearing part and method for manufacturing the same |
| 05/03/2005 | US6887590 Hot strip is produced from IF (interstitial-free) steel; hot strip is coiled; cold strip is rolled from the coiled hot strip; recrystallisation-annealed in an annealing furnace; cold strip is provided with a zinc coating; post-annealing |
| 05/03/2005 | CA2313470C Induction hardening apparatus for a crankshaft |
| 04/28/2005 | WO2005038067A1 Expansible seamless steel pipe for use in oil well and method for production thereof |
| 04/28/2005 | WO2005038059A1 Method for controlling bright annealing furnace |
| 04/28/2005 | WO2005019488A3 Method for micromachining metallic materials |
| 04/28/2005 | WO2004087968A3 Method for the thermomechanical treatment of steel |
| 04/28/2005 | WO2004087367A3 Method for producing helical springs or stabilisers |
| 04/28/2005 | US20050090844 Long fatigue life nitinol |
| 04/28/2005 | US20050087269 Method for producing line pipe |
| 04/27/2005 | EP1200637B1 Powder metallurgy manufactured high speed steel |
| 04/27/2005 | EP1072169B1 Induction hardening apparatus for a crankshaft |
| 04/27/2005 | CN1610762A Steel sheet for vitreous enameling and method for producing the same |
| 04/27/2005 | CN1610760A Method of continuously casting electrical steel strip with controlled spray cooling |
| 04/27/2005 | CN1610584A Method and device for cooling steel sheet and method of manufacturing steel sheet |
| 04/27/2005 | CN1609239A Induction heating method of reducing bar material for suspension spring use |
| 04/27/2005 | CN1609238A Softening annealing heat treating method for 1Cr17Ni2 stainless steel |
| 04/27/2005 | CN1608760A Production process of composite steel for tools |
| 04/26/2005 | US6884306 Heat treating a steel of .6-1.1% carbon, 1.5-2% silicon, 1.8-4% manganese, 1.2-1.4% chromium, 0-3% nickel, .2-.5% molybdenum, .1-.2% vanadium and balance iron, homogenizing, air cooling and isothermally transforming |
| 04/26/2005 | US6884049 Screw compressor and method of manufacturing rotor for the same |
| 04/21/2005 | WO2005035802A1 Heat treatment system |
| 04/21/2005 | WO2005035801A1 Crankshaft comprising a combined gear wheel and method for the production and use of said crankshaft |
| 04/21/2005 | WO2005035799A1 Method for heat-treating iron-containing materials |
| 04/21/2005 | US20050084406 mixing powders or alloy powders with yttrium oxide powder to form a mixed powder, then alloying, solidifying by hot extrusion, heat treating and tempering to form heat resistant martensite steels |
| 04/21/2005 | US20050081966 Melting, galvanizing, heating, alloying |
| 04/21/2005 | US20050081964 A Method Of Establishing Stress Relieving Procedures For Minimizing Sulfide Stress Cracking In Cold Worked Metals |
| 04/21/2005 | US20050081962 Steel for case hardening bearing excellent in toughness and rolling fatigue life in quasi-high temperature region |
| 04/21/2005 | US20050081378 Arrangement for crankshaft straightening |
| 04/21/2005 | DE29924734U1 Apparatus for hardening cylindrical bearing surfaces of shaft |
| 04/21/2005 | DE10201336B4 Vorrichtung für die Wärmebehandlung eines V-förmigen Zylinderblocks durch Induktionserwärmung Apparatus for the heat treatment of a V-shaped cylinder block by induction heating |
| 04/20/2005 | EP1524323A1 Process for producing oil tempered wire |
| 04/20/2005 | EP1148850B1 Expandable intervertebral spacer |
| 04/20/2005 | CN2693785Y Towing hook quenching manipulator for vehicle |
| 04/20/2005 | CN2693784Y Cover type heat treatment resistance furnace |
| 04/19/2005 | US6881934 Hardening the inner surface of the spectacle-shaped bore in a steel block, with an inductor about same shape, using less energy to heat, forming a wear resist surface, for making a barrel; materials handling |
| 04/19/2005 | US6881242 Compressor and separation region with hydrogen metal membrane; compressor compresses hydrogen-containing output gas exhausted from processing region, conveyed to separation region, separated into hydrogen-rich permeate gas and raffinate |
| 04/14/2005 | WO2005033346A1 Thin-walled part producing method, bearing raceway ring, thrust needle roller bearing, rolling bearing raceway ring producing method, rolling bearing raceway ring, and rolling bearing |
| 04/14/2005 | WO2005033345A1 Clamp device and clamp method for heat-treated article |
| 04/14/2005 | WO2005032756A1 Method for smoothing and polishing or structuring surfaces by means of modulated laser radiation |
| 04/14/2005 | US20050077289 Induction heat treatment method and coil and article treated thereby |
| 04/14/2005 | US20050077210 Surface on a stainless steel matrix |
| 04/14/2005 | DE10347312B3 Verfahren zur Wärmebehandlung von Eisenwerkstoffen A method of heat treatment of ferrous materials |
| 04/14/2005 | DE10342364A1 Hartmetall-oder Cermetkörper und Verfahren zu seiner Herstellung Hard metal or cermet body and process for its preparation |
| 04/14/2005 | CA2517595A1 Clamp device and clamp method for heat-treated article |
| 04/13/2005 | EP1521860A1 Quenched and tempered steel wire with superior cold forging characteristics |
| 04/13/2005 | EP1521855A1 Vacuum carburizing method and device |
| 04/13/2005 | CN1606630A Method and device for controlled straightening and cooling of a wide metal strip, especially a steel strip or sheet metal, running out of a hot rolled strip rolling mill |
| 04/13/2005 | CN1605636A Bearing's component, heat treatment method thereof, heat treatment apparatus, and rolling bearing |
| 04/13/2005 | CN1605635A Method for relieving stress before plating whole chain |
| 04/13/2005 | CN1605634A Multifunctional quenching experimental apparatus |
| 04/12/2005 | US6878220 Hot forming using press mold, hardening; calibration shapes |
| 04/12/2005 | US6878219 High strength steel pipe for an air bag and a process for its manufacture |
| 04/12/2005 | US6878218 High strength gear and method of producing the same |
| 04/07/2005 | WO2005031021A1 Steel parts for machine structure, material therefor, and method for manufacture thereof |
| 04/07/2005 | WO2005031020A1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 04/07/2005 | WO2004082872A3 Method and apparatus for strengthening of powder metal gears by ausforming |
| 04/07/2005 | US20050072549 Methods and apparatus for heat treatment and sand removal for castings |
| 04/07/2005 | DE10342750A1 Verfahren zum Glätten und Polieren oder zum Strukturieren von Oberflächen mit Laserstrahlung Method for smoothing and polishing or texturing surfaces using laser radiation |
| 04/07/2005 | DE10342194A1 Method for monitoring and/or control of composition of treatment gas in heat treatment of metal workpieces in furnace, with treatment gas generated in catalyst report |
| 04/06/2005 | EP1520051A1 Device for cooling and/or rinsing steel wires and/or tapes |
| 04/06/2005 | CN2690413Y Inductor series device |
| 04/06/2005 | CN2690412Y Quenching transformer omnibearing movable frame |
| 04/06/2005 | CN1603428A Low temperature annealing process for relieving MOCVD TiN membrane stress and resistance |
| 04/06/2005 | CN1603427A Beta-phase transformation point thermal treatment process for titanium alloy |
| 04/06/2005 | CN1603426A Lasing process method for improving abrasion resistance and corrosion resistance of the surface of aluminium borate crystal whisker/aluminium composite material |
| 04/06/2005 | CN1603425A Metal laser deep-layer quenching process |
| 04/06/2005 | CN1603052A Laser strengthening process for metal leaf |