| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 02/15/1983 | US4373703 Device for rapidly cooling metal tubes |
| 02/15/1983 | US4373702 Jet impingement/radiant heating apparatus |
| 02/15/1983 | US4373364 Method of controlling the temperature of a heating furnace |
| 02/15/1983 | CA1141153A1 Method and apparatus for local temperature difference of steel product |
| 02/09/1983 | EP0071270A1 Process for producing an austenitic stainless steel sheet or strip |
| 02/08/1983 | US4372539 Renewable, strand centering annealer sheave |
| 02/01/1983 | US4371332 Method of controlling the tension of a strip within furnace |
| 02/01/1983 | US4371149 Apparatus for cooling sheet steel by water spraying |
| 01/26/1983 | EP0070409A1 Method and device for induction-hardening elongated thin-walled workpieces |
| 01/26/1983 | EP0070347A1 Heat treating apparatus |
| 01/25/1983 | US4370178 Casings, carbon, manganese, vanadium, nitrogen and/or niobium, heating, cooling |
| 01/25/1983 | US4369802 Wire galvanizer cooler |
| 01/25/1983 | US4369645 Method and apparatus for cooling wire rod |
| 01/19/1983 | EP0070115A2 Billet heating furnace |
| 01/18/1983 | CA1139644A1 Method for producing a dual-phase steel sheet having excellent formability, high artificial-aging hardenability after forming, high strength, low yield ratio, and high ductility |
| 01/14/1983 | EP0060257A4 Method for surface hardening cams. |
| 01/12/1983 | EP0069619A1 Appliance for brasing a saw blade band |
| 01/12/1983 | EP0069618A1 Continuous cooling method for thick sheets during rolling, and apparatus for carrying it out |
| 01/12/1983 | EP0069616A1 Device for cooling steel wire spirals in the rolling heat |
| 01/11/1983 | US4368034 Heating control method for continuously heating furnace |
| 01/11/1983 | US4367597 Gas-liquid cooling apparatus |
| 01/06/1983 | WO1983000051A1 Remelting hardening |
| 01/05/1983 | EP0068637A2 Method and system for controlling multi-zone reheating furnaces |
| 01/05/1983 | EP0068598A2 Dual phase-structured hot rolled high-tensile strength steel sheet and a method of producing the same |
| 01/05/1983 | EP0068272A1 Apparatus for conveying strip material |
| 01/05/1983 | EP0068224A1 Cooling method |
| 01/04/1983 | US4367101 Method of providing an anti-stick coating on non-oriented, semi-processed electrical steels to be subjected to a quality anneal |
| 01/04/1983 | CA1138755A1 Continuous heat treatment for metal sheet |
| 01/04/1983 | CA1138690A1 Method and apparatus for controlling temper-rolled profile of cold rolled steel strip after continuous annealing |
| 12/29/1982 | EP0067878A1 Method of manufacturing thin steel plate for drawing with baking curability |
| 12/28/1982 | CA1138196A1 Method of and an apparatus for continuous heat treatment of separated elongated metallic material |
| 12/28/1982 | CA1138195A1 Method of and an apparatus for soaking steel pieces |
| 12/22/1982 | EP0067759A1 Apparatus for treating metallic flat products first heated non-homogeneously in an oven and then undergoing a hot-rolling process in order to erase black marks |
| 12/21/1982 | US4365136 Zone refinement of inertia welded tubulars to impart improved corrosion resistance |
| 12/21/1982 | US4364728 Continuous strip preheat furnace and method of operation |
| 12/14/1982 | US4363946 Inductor for inductively heating raceways of antifriction bearing rings |
| 12/14/1982 | US4363472 Steel strip continuous annealing apparatus |
| 12/14/1982 | US4363471 Steel strip continuous annealing apparatus |
| 12/14/1982 | CA1137394A1 Process for continuously annealing a cold-rolled low carbon steel strip |
| 12/07/1982 | US4362501 Process and arrangement for the zonal heating or cooling of elongate treatment members |
| 12/07/1982 | US4362040 Method and apparatus for the controlled cooling of hot rolled steel rods |
| 12/07/1982 | CA1137191A1 Method and apparatus for metal strip temperature control |
| 12/07/1982 | CA1136904A1 Razor blades |
| 12/07/1982 | CA1136852A1 Apparatus for continuously producing a high strength dual-phase steel strip or sheet |
| 12/01/1982 | EP0065577A1 Continuous steel plate quenching apparatus |
| 11/30/1982 | US4361448 Method for producing dual-phase and zinc-aluminum coated steels from plain low carbon steels |
| 11/30/1982 | CA1136717A1 Method and apparatus for forming microcavities on the surface of a rolling mill roll |
| 11/30/1982 | CA1136527A1 Continuous cooling of low carbon steel wire rod |
| 11/30/1982 | CA1136526A1 Heat treatment process and apparatus |
| 11/23/1982 | US4360390 Method for direct heat treating austenitic stainless steel wire rod |
| 11/23/1982 | CA1135957A1 Furnace temperature control |
| 11/17/1982 | EP0064730A2 High performance tubulars for critical oil country applications and process for their preparation |
| 11/10/1982 | EP0064367A2 Method for inductively heating valve seat inserts |
| 11/09/1982 | US4358325 Method of treating low carbon steel for improved formability |
| 11/09/1982 | US4358267 Device for guiding band material and applications thereof |
| 11/09/1982 | US4358093 Steel strip continuous annealing furnace |
| 11/09/1982 | CA1135053A1 Oil-tempering apparatus for pipes |
| 11/02/1982 | US4357135 Method and system for controlling multi-zone reheating furnaces |
| 10/27/1982 | EP0063247A1 Apparatus for continuously treating sheet metal |
| 10/26/1982 | US4355790 Heat-treatment device for prolonging the life of a pressure vessel such as a reactor pressure vessel especially |
| 10/26/1982 | CA1134139A1 Energy efficient heat-treating furnace system |
| 10/19/1982 | US4355221 Method of field annealing an amorphous metal core by means of induction heating |
| 10/19/1982 | US4354883 Method for improving the residual stress in austenitic stainless steel pipes and the like by induction heating |
| 10/19/1982 | US4354882 High performance tubulars for critical oil country applications and process for their preparation |
| 10/13/1982 | EP0062513A1 A method of providing an anti-stick coating on non-oriented, semi-processed electrical steels to be subjected to a quality anneal |
| 10/13/1982 | EP0062239A1 Method and apparatus for continuously annealing and quenching elongated special steel workpieces |
| 10/12/1982 | US4353861 Using a heat exchange liquid |
| 10/12/1982 | US4353756 To give hardness, toughness, machinability and wear resistance |
| 10/12/1982 | US4353743 Toughness, hardness, wear resistance, machinability/; |
| 10/12/1982 | US4353531 Process and installation for the handling and heat treatment of cast iron or steel pipes and tubes |
| 10/12/1982 | CA1133365A1 Method and apparatus for cooling steel strips to effect continuous annealing |
| 10/12/1982 | CA1133364A1 Method for providing strong wire |
| 10/06/1982 | EP0061503A1 Process for manufacturing hot-rolled dual-phase high-tensile steel plate |
| 09/28/1982 | US4351633 Method of recovering the sensible heat of continuously cast slabs |
| 09/28/1982 | US4351326 Copper wire for intrauterina contraceptive devices and a method for manufacturing the same |
| 09/28/1982 | CA1132380A1 Welded structrue having improved mechanical strength and process for making same |
| 09/22/1982 | EP0060732A2 Controlled cooling apparatus for a wire rod |
| 09/22/1982 | EP0060257A1 Method for surface hardening cams. |
| 09/21/1982 | US4350861 Apparatus for heating strip elements in a continuous pass process by electromagnetic induction |
| 09/15/1982 | EP0060227A2 Auxiliary cooling system with blown air for coils of hot-rolled metallic wire, and device to carry out said system |
| 09/14/1982 | US4349393 Treating a heated-and-cooled, rolling oil-contaminated steel with an acid |
| 09/08/1982 | EP0059675A1 Apparatus for rapidly cooling metallic pipes |
| 09/07/1982 | US4348131 Welded structure having improved mechanical strength and process for making same |
| 09/07/1982 | CA1131105A1 Method of producing high-strength steel pipes having a good weldability and adapted to be used in a steam distribution pipeline in the oil sands development |
| 09/07/1982 | CA1131104A1 Process for treating weldments |
| 09/02/1982 | WO1982002902A1 Process for manufacturing high-tensile,hot-rolled steel strip having a low yield ratio due to its mixed structure |
| 09/01/1982 | EP0058736A1 Conveyor furnace with a rotating carrier |
| 08/31/1982 | CA1130705A1 Welding silicon steel |
| 08/31/1982 | CA1130704A1 Thermal homogenization of steam generating tubing |
| 08/25/1982 | EP0058607A1 Apparatus for rapid and controllable cooling in an annealing furnace with a neutral or reducing atmosphere |
| 08/25/1982 | EP0058324A2 Device for the controlled cooling of wire at rolling temperature |
| 08/18/1982 | EP0058016A1 Process for producing steel wire or rods of high ductility and strength |
| 08/18/1982 | EP0057983A2 Method for producing coated grain oriented silicon steel |
| 08/17/1982 | CA1129645A1 Batch coil annealing furnace baseplate |
| 08/17/1982 | CA1129643A1 Method and apparatus for cooling sheet steel by water spraying |
| 08/11/1982 | EP0057385A2 Method for the direct electrical resistance heating of metal workpieces |
| 08/10/1982 | US4343661 Method of making a low temperature bainite steel alloy gear |
| 08/10/1982 | US4343168 Heat shield arrangements for a rolling mill |
| 08/10/1982 | CA1129312A1 Reinforcing steel for concrete |
| 08/04/1982 | EP0056917A1 Device at the entrance and exit of sheet metal cooling machines |