| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/28/2006 | CN2791065Y Vacuum-prepumping protective atmosphere multi-purpose furnace |
| 06/28/2006 | CN1794888A Salt bath furnace electrode heat resistant material |
| 06/28/2006 | CN1793428A Process for preparing anti-bacteria stainless steel by double-layer glowing method |
| 06/28/2006 | CN1793403A Pealite like thermal treating steel rail and producing method thereof |
| 06/28/2006 | CN1793398A Strength of extension 1000 MPa grade complex phase steel plate and mfg. method thereof |
| 06/28/2006 | CN1792534A High pressure vacuum electronic beam welding method for stator ring of air compressor of gas steam turine |
| 06/28/2006 | CN1261601C Heat treatment apparatus for cylinder-shaped workpiece |
| 06/27/2006 | US7068478 CPP GMR read head |
| 06/27/2006 | US7067023 Heat treatment and coating the surfces by electrodeposition, to form alloys having tensile strength |
| 06/27/2006 | US7067022 Method for protecting a surface |
| 06/22/2006 | WO2006064146A1 Method for purifying an input mixture comprising carbon dioxide (co2) and carbon monoxide (co), to eliminate the carbon monoxide contained in said mixture |
| 06/22/2006 | US20060133710 Vehicle pinion shaft support system |
| 06/22/2006 | US20060131794 Hydrogen closed-cycle hardening unit |
| 06/22/2006 | US20060130942 Method of manufacturing metal product having nano-crystallized surface layer |
| 06/22/2006 | DE102004058464A1 Verfahren zur Gasabschreckung A method for gas quenching |
| 06/21/2006 | EP1672096A1 Pickling plant and process for continuous pickling of a metal strip |
| 06/21/2006 | EP1672088A1 Method for manufacturing a body featuring very high mechanical properties, forming by drawing from a rolled steel sheet, in particular hot rolled and coated sheet |
| 06/21/2006 | EP1672085A1 Clamp device and clamp method for heat-treated article |
| 06/21/2006 | EP1200638B1 Method for producing an improved bainitic steel |
| 06/21/2006 | CN1791689A Coil winding method for metal in bars |
| 06/21/2006 | CN1791687A Method and apparatus for strengthening of powder metal gears by ausforming |
| 06/21/2006 | CN1789453A Method for preparing micro-grain silicon bronze alloy |
| 06/21/2006 | CN1789452A Method for preparing micro-grain manganese bronze alloy |
| 06/21/2006 | CN1789451A Method for preparing micro-grain tin bronze alloy |
| 06/21/2006 | CN1789450A Method for preparing micro-grain aluminium bronze alloy |
| 06/21/2006 | CN1789439A High frequency pulse laser induced electrode directional discharging apparatus for roughing roller surface |
| 06/21/2006 | CN1789438A Metal roller surface roughing method by high frequency pulse laser induced discharge |
| 06/20/2006 | US7064291 Annealing plant |
| 06/20/2006 | US7063752 Grain refinement of alloys using magnetic field processing |
| 06/15/2006 | US20060124907 Press formability by regulating a retained austenite ratio and accelerates the formation of oxides by regulating a hydrogen concentration and a dew point in annealing before plating; automobile |
| 06/15/2006 | US20060124633 Heating inductors, in particular of metal strips |
| 06/15/2006 | US20060124210 Annealing process of a stainless steel band |
| 06/15/2006 | US20060124202 Nitriding method and device |
| 06/14/2006 | EP1669469A1 Steel parts for machine structure, material therefor, and method for manufacture thereof |
| 06/14/2006 | EP1669468A1 Steel product for induction hardening, induction-hardened member using the same, and methods for producing them |
| 06/14/2006 | EP1530650A4 A method and a skid member for reducing temperature difference in a heating subject and a skid apparatus using them |
| 06/14/2006 | EP1485207B1 Device for homogeneous impingement of a planar surface of a tool with a heated gas |
| 06/14/2006 | EP1025272B1 Ultra-high strength, weldable steels with excellent ultra-low temperature toughness |
| 06/14/2006 | CN1788103A Seamless steel tube which is intended to be used as a guide pipe and production method thereof |
| 06/14/2006 | CN1787127A Composite powder for magnetic powder core and preparation process for magnetic powder core |
| 06/14/2006 | CN1786266A Production technology of ceramic outer shell cover plate of crystal oscillator |
| 06/14/2006 | CN1786246A High tensile strength high toughness low yield ratio bainite steel and its production method |
| 06/14/2006 | CN1786214A Heat treatment method of upper curved needle connecting pillar |
| 06/14/2006 | CN1786212A Method of improving mechanical performance of low carbon steel by tempered fast cooling |
| 06/14/2006 | CN1786211A Laser shock peening coating with entrapped confinement medium |
| 06/14/2006 | CN1786210A Heat treatment method of golf club |
| 06/14/2006 | CN1259435C Water-soluble quenching medium |
| 06/13/2006 | CA2120438C Process for the production of grain oriented magnetic steel sheets having improved remagnetization losses |
| 06/08/2006 | WO2006058709A1 Method for gas quenching with helium-containing cooling gas |
| 06/08/2006 | DE102004058634A1 Method for case hardening rotationally symmetrical completely or partially screw-like or toothed components comprises momentarily annealing the symmetrical completely or partially screw-like or toothed regions after hardening |
| 06/07/2006 | EP1666770A1 Speed reducer, method and appratus for manufacturing the speed reducer, and electric power steering device with the speed reducer |
| 06/07/2006 | EP1664363A1 Hard metal or cermet body and method for producing the same |
| 06/07/2006 | EP1664357A1 Manufactured steel chain blank, use thereof, method for producing a chain and chain produced by said method |
| 06/07/2006 | EP1664356A1 Post weld heat treatment for chemically stabilized austenitic stainless steel |
| 06/07/2006 | EP1663550A1 Iron-based sintered alloy and manufacturing method thereof |
| 06/07/2006 | CN2786139Y Rotary hub device for heating furnace of metal sheet quenching line |
| 06/07/2006 | CN2786138Y Cooled magnetism accumulator for multi-station induction heater |
| 06/07/2006 | CN2786137Y Round full-fiber well type furnace |
| 06/07/2006 | CN1782116A 800MPa cold rolled and hot zinc plated double phase steel and its producing method |
| 06/07/2006 | CN1782104A New technology for nodular cast iron crankshaft isothermal hardening |
| 06/07/2006 | CN1782103A Nodular cast iron crank shaft waste heat isothermal hardening |
| 06/06/2006 | US7056399 Passivation of steel surface to reduce coke formation |
| 06/06/2006 | CA2225356C Heat treating furnace for a continuously supplied metal strip |
| 06/06/2006 | CA2210017C Method for making fe-base soft magnetic alloy |
| 06/01/2006 | WO2006056010A1 Induction-hardened drill string components |
| 06/01/2006 | US20060113013 Method and apparatus for cooling hot rolled steel strip, and method for manufacturing hot rolled steel strip |
| 06/01/2006 | DE102004024573B4 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 |
| 05/31/2006 | EP1662015A1 High strength stainless steel pipe excellent in corrosion resistance for use in oil well and method for production thereof |
| 05/31/2006 | EP1661852A2 Hydrogen closed-cycle hardening unit |
| 05/31/2006 | EP1660693A1 Method for producing a hardened profile part |
| 05/31/2006 | EP1536898B1 Method for the production of a press-hardened part |
| 05/31/2006 | EP1456421B1 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 |
| 05/31/2006 | CN1780930A Iron-based parts and method for manufacture thereof |
| 05/31/2006 | CN1778975A Rapid regression and its apparatus for regression re-ageing treatment of aluminium alloy thick-plate and thinck wall pieces |
| 05/31/2006 | CN1257994C Martensitic stainless steel and method for manufacturing same |
| 05/30/2006 | US7052647 Method and apparatus for cooling hot rolled steel strip, and method for manufacturing hot rolled steel strip |
| 05/30/2006 | CA2341667C Cold workable steel bar or wire and process |
| 05/26/2006 | WO2006055589A1 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom |
| 05/26/2006 | CA2587145A1 Method and apparatus for micro-treating iron-based alloy, and the material resulting therefrom |
| 05/25/2006 | US20060108719 Vacuum carburizing method and device |
| 05/25/2006 | US20060108034 Method and device for descaling and/or cleaning a metal casting |
| 05/24/2006 | EP1659189A1 Heat treating device and heat treating method |
| 05/24/2006 | EP1658390A1 Method for producing a hardened steel part |
| 05/24/2006 | EP1658387A1 Process of production and production system of high strength galvannealed steel sheet |
| 05/24/2006 | EP1658386A1 Gas quenching method using a recycling facility |
| 05/24/2006 | EP1148851B1 Expandable element delivery system |
| 05/24/2006 | EP0830218B1 Structures having enhanced biaxial texture and method of fabricating same |
| 05/24/2006 | DE10158150B4 Verfahren und Einrichtung zur Wärmebehandlung von Turbinenscheiben Method and apparatus for heat treatment of turbine disks |
| 05/24/2006 | CN2782704Y Fully automatic rotary conveying type annealing furnace |
| 05/24/2006 | CN1776946A Method for preparing surface modified stainless steel as biplar plate for proton exchange membrane fuel cell |
| 05/24/2006 | CN1775982A Alloy-steel seam-less steel-pipe and production method therefor |
| 05/24/2006 | CN1775963A Petroleum drilling rod joint higher hardness number treating process |
| 05/24/2006 | CN1775465A Method and equipment for manufacturing high-alloy seamless steel pipe |
| 05/23/2006 | US7048810 Method of manufacturing hot formed high strength steel |
| 05/18/2006 | WO2006050696A1 Method for thermally treating a component consisting of a fully hardenable, heat-resistant steel and a component consisting of said steel |
| 05/18/2006 | WO2006050688A1 Method for production of sheet components and chassis components |
| 05/18/2006 | US20060102257 Steel composition and parts forged by a forging die |
| 05/18/2006 | US20060102254 Mixture for under-pressure carburizing containing the carbon carrier comprising two unsaturated hydrocarbons, likely ethylene and acetylene; mixture used in vacuum furnaces for under-pressure carburizing of steel products, mainly parts of machines, vehicles and mechanical apparatuses |
| 05/18/2006 | US20060102253 Surface modified stainless steel |
| 05/18/2006 | DE102004054627A1 Vorrichtung zum Kühlen von langen Gegenständen Apparatus for cooling long objects |