| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 01/07/2003 | US6503346 Producing single component zirconium alloy with high pellet cladding interaction resistance inner surface and corrosion resistant; heat melting, multistep cooling and extruding |
| 01/07/2003 | US6502486 Method for producing steel rolling bearing rings |
| 01/07/2003 | US6502473 Rack bar and manufacturing method thereof |
| 01/03/2003 | WO2003000940A1 Cooling method for a hot-rolled product and a corresponding cooling-section model |
| 01/03/2003 | WO2003000939A1 Method and device for quenching steel in pressurized air |
| 01/03/2003 | WO2003000938A1 Method of producing high cr-based seamless steel tube |
| 01/03/2003 | WO2003000937A2 Heat treatment method for a cold-rolled strip with an ni and/or co surface coating, sheet metal producible by said method and battery can producible by said method |
| 01/02/2003 | US20030004024 Drive belt, method for manufacturing a continuous band thereof and continuously variable transmission wherein such is utilised |
| 01/02/2003 | US20030001321 Furnace roll assembly |
| 01/02/2003 | US20030000946 Suspended induction coil and method for replacement of turns comprising same |
| 01/02/2003 | US20030000606 Providing a sheet metal blank from sheet steel; forming collared holes; indenting the blank to protrusion; heating the blank on a conveyor in a heat treatment station; hot forming the blank in a pressing tool to produce sheet metal product |
| 01/02/2003 | US20030000602 Integrally bladed rotor airfoil fabrication and repair techniques |
| 01/02/2003 | EP1270939A2 Process of production of compressor shoe |
| 01/02/2003 | EP1268865A1 Method and device for thermal treatment of steel wire |
| 01/02/2003 | EP1268864A1 Production of an embossing tool and use of the same |
| 01/02/2003 | DE10108926C1 Heat treatment process used for changing the properties of a metal object comprises irradiating metal object e.g. a steel spring in a predetermined surface section with electromagnetic radiation produced by an emitter |
| 01/01/2003 | CN2528779Y Convection plate for annealing furnace |
| 12/31/2002 | CA2206160C Process for manufacturing a turbomachine hollow vane and multiple-effect press-kiln used in process operation |
| 12/27/2002 | WO2002103071A1 High tensile hot rolled steel sheet excellent in shape freezing property and endurance fatigue characteristics after forming |
| 12/27/2002 | WO2002103066A1 Roller table roll, particularly for conveying furnace-heated metallic strip material |
| 12/26/2002 | US20020197508 Antiaging property at room temperature and formability at the same time |
| 12/26/2002 | US20020196989 Rolling bearing unit for supporting wheel |
| 12/26/2002 | US20020195753 Method and apparatus for quenching metal workpieces |
| 12/26/2002 | US20020195179 With articulated topographical definition |
| 12/26/2002 | US20020195176 Integrally bladed rotor airfoil fabrication and repair techniques |
| 12/25/2002 | CN1386977A Slipper for swashplate compressor, and method for mfg. same |
| 12/25/2002 | CN1386889A Heat treatment method and heat treating furnace thereby |
| 12/25/2002 | CN1096913C Method of mfg. gear wheel |
| 12/25/2002 | CA2391263A1 Shaving articles formed from geometrically articulated morphousmetal alloys and processes for their production |
| 12/24/2002 | US6497330 Carrier substrate |
| 12/19/2002 | WO2002101109A1 Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel |
| 12/19/2002 | WO2002101099A1 High tensile hot-rolled steel sheet excellent in resistance to scuff on mold and in fatigue characteristics |
| 12/19/2002 | WO2002101098A1 Crawler bushing and method and device for producing the same |
| 12/19/2002 | WO2002101097A1 Method for processing welded metalwork joints by high-frequency hummering |
| 12/19/2002 | WO2002064845A3 Method for producing welded tubing having a uniform microstructure |
| 12/19/2002 | US20020192012 Linear shape steel excellent in joint fatigue characteristics and production method therefor |
| 12/19/2002 | US20020189726 Impacting the machined braking surface with ultrasonic oscillations, smoothing and hardening the braking surface to produce a longer wearing and stronger surface |
| 12/19/2002 | US20020189717 Process of production of compressor shoe |
| 12/19/2002 | DE10128999A1 Roller used for transporting hot metallic strip material or steel cast strands comprises a shaft and a casing electrically and/or thermally insulated on the roller ends |
| 12/19/2002 | DE10128200A1 Verfahren zur Herstellung eines gehärteten Blechprofils A method of producing a hardened sheet metal profile |
| 12/19/2002 | CA2450369A1 Method for processing welded metalwork joints by high-frequency hummering |
| 12/18/2002 | EP1266976A1 Steel sheet for porcelain enameling and method for production thereof, and enameled product and method for production thereof |
| 12/18/2002 | EP1266972A1 Process for manufacturing a hardened sheet metal profile |
| 12/18/2002 | EP1266041A1 Method for making a multiphase hot-rolled steel strip |
| 12/18/2002 | CN1386144A Ferritic stainless steel for ferromagnetic parts |
| 12/18/2002 | CN1386142A Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperatureaging and method for their production |
| 12/18/2002 | CN1386141A Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same |
| 12/18/2002 | CN1386140A Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same |
| 12/18/2002 | CN1386139A Super high tensile cold-rolled steel plate and method for production thereof |
| 12/18/2002 | CN1385281A Method for making and repairing wing surface of integral propeller rotator |
| 12/18/2002 | CN1096502C Widthwise uniform cooling system for steel strip in continuous steel strip heat treatment step |
| 12/18/2002 | CN1096367C Tyre with peripheral steel cable for fixing tyre body and technology for treating steel cable |
| 12/17/2002 | US6495094 Apparatus and method for suppressing growth of oxide film on coil |
| 12/17/2002 | US6494973 Transforming a wire blank by a heat treatment process into a drawable state; drawing wire blank to a drawn wire; hardening and tempering to obtain predetermined mechanical properties by passing the drawn wire through furnace |
| 12/17/2002 | US6494972 Method for preparing pre-coated ferrous alloys and ferrous components prepared thereby |
| 12/17/2002 | US6494683 Repaired turbine rotor wheel |
| 12/14/2002 | WO2002103069A1 Steel pipe having high formability and method for production thereof |
| 12/12/2002 | WO2002070768A3 A cast shaped article made from high strenght, precipiation-hardenable stainless steel and a process for making same |
| 12/12/2002 | DE10126378A1 Carbon steel louver board and its manufacture method - long life time, stable, and environmental product |
| 12/11/2002 | EP1264153A1 Means and method for heating |
| 12/11/2002 | EP1117846B1 Method for changing the properties of the surfaces of work pieces |
| 12/11/2002 | EP0774520B1 Process for producing steel pipe excellent in corrosion resistance and weldability |
| 12/10/2002 | US6492631 Apparatus for quenching metallic material |
| 12/10/2002 | US6491865 Heat treat fixture apparatus and method of heat treat hardening thin metal work pieces |
| 12/10/2002 | US6491770 Annealing, induction heating, and cooling wires in oxygen-free atmosphere |
| 12/10/2002 | US6491768 Forming at least outer and inner rings of anti-friction bearing using steel including specified amounts of carbon, silicon, manganese and chromium, tempering to reduce amount of retained austenite and increase hardness of surface layer |
| 12/10/2002 | US6491767 Case hardened dies for improved die life |
| 12/05/2002 | WO2002097146A1 Unidirectional silicon steel sheet of ultra-low iron loss and method for production thereof |
| 12/05/2002 | WO2002097141A1 Heat treatment container |
| 12/05/2002 | WO2002097140A1 Automatic pipe quenching apparatus |
| 12/05/2002 | US20020182558 Heat treatment container |
| 12/05/2002 | US20020182438 Power transmission shaft |
| 12/05/2002 | US20020179217 Cable for anchoring a tire carcass |
| 12/05/2002 | US20020179207 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
| 12/05/2002 | US20020179205 Planetary carrier and method of manufacture |
| 12/05/2002 | US20020179203 Induction heat-treating of threaded fasteners with a rotary conveyor |
| 12/05/2002 | US20020179188 Iron alloy with carbide or carbonitride surface; wear resistance |
| 12/04/2002 | EP1262671A1 Power transmission shaft |
| 12/04/2002 | EP1262661A1 Shoe for swash plate type compressor and method of producing the same |
| 12/04/2002 | EP1261748A1 Bar product, cylinder rods, hydraulic cylinders, and method for manufacturing |
| 12/04/2002 | EP1187944B1 Rolling structure steel |
| 12/04/2002 | CN1383459A Thin steel sheet and method for prodn. thereof |
| 12/03/2002 | US6488791 Method for strengthening a steel channel member |
| 12/03/2002 | US6488789 Rotary member having double rows of raceway surfaces and a fixed member coupled to a mounting member forming a surface hardened layer by a high-frequency quenching technique; durability |
| 12/03/2002 | US6488788 Flat plate member with a gear portion and a process for making the same |
| 12/03/2002 | US6488786 High-strength, high-toughness martensitic stainless steel sheet |
| 12/03/2002 | US6487938 Paper drill bit |
| 12/03/2002 | CA2264818C Device for rotating and simultaneous hardening by electric induction |
| 11/29/2002 | CA2387930A1 Heat treatment container |
| 11/28/2002 | US20020174921 Beam is roll-formed from a unitary, monolithic piece of sheet steel with the tubular portion being of high-strength steel and the flanges of low strength steel; impact strength, lower weight |
| 11/28/2002 | US20020174919 High pressure cylinders including backing steel with tool steel lining |
| 11/28/2002 | DE10216837A1 Wärmebehandlungsverfahren und dabei verwendeter Wärmebehandlungsofen Heat treatment process and there used heat treatment furnace |
| 11/27/2002 | EP1259739A1 Nail |
| 11/27/2002 | CN1381680A Press cake for CVT band and manufacture method thereof |
| 11/27/2002 | CN1094983C Method for determining and controlling material flux of continuous cast slabs |
| 11/27/2002 | CN1094982C Process for inhibition control in p roduction of grain-oriented electrical sheets |
| 11/26/2002 | US6485582 Advanced case carburizing secondary hardening steels |
| 11/26/2002 | US6485027 Surface heat treatment of piston rings |
| 11/26/2002 | US6485026 Non-stainless steel nitrided piston ring, and method of making the same |
| 11/26/2002 | CA2201166C A method of preparing a steel pipe, an apparatus thereof and a steel pipe |