| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 04/23/1985 | US4512823 Barium or chromium additives to magnesium oxide coating slurry |
| 04/23/1985 | US4512558 Coffin delivery system for metallurgical furnace |
| 04/23/1985 | CA1186021A1 Method and apparatus for surface hardening cams |
| 04/17/1985 | EP0137747A2 Improvements in or relating to the production of grain oriented steel |
| 04/16/1985 | US4511124 Method and composition for fluidization of accumulated pit scrap in soaking pits |
| 04/11/1985 | WO1985001519A1 Process for heat treating metals in pot furnaces and cover furnaces |
| 04/10/1985 | EP0136810A2 Temperature control during annealing |
| 04/10/1985 | EP0136613A2 Rail having a high wear resistance in the head and a high resistance to rupture in the base |
| 04/10/1985 | EP0136477A1 Heat treatment of steel rod |
| 03/20/1985 | EP0134511A1 Insulation anchor |
| 03/19/1985 | US4505763 Heat-treating method of weld portion of piping system and heating coil for the heat treatment |
| 03/19/1985 | US4505141 Apparatus for thermomechanically rolling hot strip product to a controlled microstructure |
| 03/19/1985 | CA1184099A1 Method of heat treating metal |
| 03/19/1985 | CA1184029A1 Continuous annealing and hardening process and installation for fine or special steel elongate parts |
| 03/14/1985 | WO1985001099A1 Thermal conditioner |
| 03/12/1985 | US4504957 High temperature box annealing furnace |
| 03/12/1985 | US4504042 Apparatus for heat treating steel |
| 03/05/1985 | US4503308 Apparatus for preparing rod stock for forging in manufacture of sucker rods |
| 03/05/1985 | US4502897 Method for producing hot-rolled steel sheets having a low yield ratio and a high tensile strength due to dual phase structure |
| 03/05/1985 | US4502671 Batch annealing apparatus |
| 03/05/1985 | US4502669 Inside-outside tube quenching apparatus |
| 03/05/1985 | US4502531 High-pressure vessel furnace |
| 03/05/1985 | CA1183348A1 Apparatus for preheating the ends of upset steel pipes |
| 02/27/1985 | EP0133613A1 Method of cooling charges in industrial discontinuously working furnaces, especially steel wire or strip coils in bell-type furnaces |
| 02/26/1985 | US4501553 Floating equipment and floating-type heat treating furnace for striplike works |
| 02/26/1985 | US4501552 Method for controlling furnace temperature |
| 02/26/1985 | CA1182999A1 Power feeding process of furnaces intended for heating metallurgical products |
| 02/19/1985 | US4500366 High speed multistage recrystallization annealing |
| 02/19/1985 | US4499774 Semiconductor pressure transducer |
| 02/19/1985 | US4499746 Heat shield arrangements for a rolling mill |
| 02/19/1985 | CA1182722A1 Castings |
| 02/13/1985 | EP0133050A1 Improvements in or relating to methods of repair |
| 02/13/1985 | EP0132980A2 Induction hardening of gear teeth |
| 02/13/1985 | EP0132588A1 Roller table for turns behind a loop laying device for slow speed collecting |
| 02/12/1985 | US4498936 Containing aluminum silicates, aluminum and magnesium oxide and phosphoric acid |
| 02/12/1985 | CA1182387A1 Method for producing high-strength deep drawable dual phase steel sheets |
| 02/05/1985 | US4497674 Method and apparatus for continuously annealing steel sheet |
| 02/05/1985 | US4497670 Carbon, manganese, silicon, nickel, chromium, molybdenum, iron alloy |
| 02/05/1985 | US4497474 Apparatus for sequentially annealing and then hardening long metal components made of fine or special steel |
| 01/30/1985 | EP0132365A2 Process of making aluminum killed low manganese deep drawing steel |
| 01/29/1985 | US4496401 Nitriding non alloy steels forming oxide cayer, qufnching, and waxing |
| 01/29/1985 | US4496312 Heat-treatment system and process |
| 01/29/1985 | CA1181618A1 Seamless pipe manufacturing installation |
| 01/23/1985 | EP0131955A1 Process and continuous oven for the thermal treatment of cylindrical objects, especially tubes, preferably made of ceramic material |
| 01/23/1985 | EP0131651A1 Process and installation for making very high alloy deformed steels and special alloys |
| 01/22/1985 | US4495241 Magnetic tape |
| 01/22/1985 | US4495009 Method of cooling cold steel strip with cooling rolls |
| 01/22/1985 | US4494929 Continuous heat treatment furnace |
| 01/16/1985 | EP0131214A2 Method and walking beam furnace for the intermediate heating of pipes in hot rolling mills |
| 01/09/1985 | EP0130749A1 Method and apparatus for laser hardening of workpieces |
| 01/09/1985 | EP0130695A2 Method for annealing a core blank used in electric machinery and devices |
| 01/09/1985 | EP0130674A2 Process for producing cube-on-edge oriented electromagnetic silicon steel |
| 01/09/1985 | EP0130221A1 Process for producing corrosion-resistant alloy steel |
| 01/08/1985 | CA1180769A1 Method of uniform induction heating of an elongated workpiece |
| 01/02/1985 | EP0130175A2 Method of manufacturing a sliding-contact bearing |
| 01/01/1985 | US4491488 Steel rod rolling process |
| 12/25/1984 | US4490187 Vaporization of cooling medium |
| 12/19/1984 | EP0128734A2 Method for cooling a steel strip in a continuous-annealing furnace |
| 12/19/1984 | EP0128177A1 Heat treatment furnace with crown-shaped transport path for the work-pieces. |
| 12/19/1984 | EP0128139A1 High strength, low carbon, dual phase steel rods and wires and process for making same |
| 12/18/1984 | US4489376 Industrial process control apparatus and method |
| 12/18/1984 | US4488710 Apparatus for optimizing the cooling of a generally circular cross-sectional longitudinal shaped workpiece |
| 12/06/1984 | WO1984004760A1 Tough, wear- and abrasion-resistant, high chromium hypereutectic white iron |
| 12/05/1984 | EP0127190A2 Method and apparatus for continuously annealing a steel sheet |
| 12/04/1984 | US4486248 Pearlite microstructure |
| 12/04/1984 | US4486243 Multistage, controlled cooling after hot rolling |
| 12/04/1984 | US4486009 Apparatus for cooling sheet metal panels |
| 11/28/1984 | EP0126696A1 Method for continuously producing an overaged steel strip coated with zinc or an aluminium-zinc alloy |
| 11/28/1984 | EP0126689A1 Charging device for iron and steel industry articles in a reheating or heat treatment furnace |
| 11/28/1984 | EP0126481A2 Method and apparatus for direct heat treatment of medium- to high-carbon steel rods |
| 11/27/1984 | US4484956 Hot rolling, annealing |
| 11/20/1984 | CA1178182A1 Process for preparing aluminum-plated steel sheets having low yield strength and high oxidation resistance |
| 11/20/1984 | CA1178050A1 Spacer for batch coil annealing |
| 11/20/1984 | CA1178049A1 Loading system for an annealing furnace charge and components therefor |
| 11/14/1984 | EP0124574A1 Method and apparatus for the manufacture of non-allergy creating precious metal objects. |
| 11/13/1984 | US4482402 Stress relief |
| 11/13/1984 | CA1177903A1 Method and apparatus for inductively heating valve seat inserts |
| 11/07/1984 | EP0124501A1 Method of improving the quality of steel sections |
| 11/07/1984 | EP0124354A1 A method of manufacturing a shadow mask for a colour cathode ray tube |
| 11/06/1984 | US4481398 Multi-directional oscillating breakoff mechanism for separating billets |
| 11/06/1984 | US4480822 Annealing furnace system |
| 11/06/1984 | US4480777 Apparatus for conveying strip material |
| 11/06/1984 | CA1177371A1 Process and apparatus for cooling a cold rolled steel strip |
| 11/06/1984 | CA1177370A1 Manufacture of rolled steel easy to weld, highly stretch resistant and very bendable in the cold state |
| 11/06/1984 | CA1177369A1 Process for the improved heat treatment of steels using direct electrical resistance heating |
| 10/24/1984 | EP0122434A2 Furnace for the partial heat treatment of tools |
| 10/23/1984 | US4478649 Method for producing a cold-rolled steel sheet having excellent formability |
| 10/23/1984 | US4478573 Furnace for heating pipes with upset portions |
| 10/16/1984 | US4477708 Apparatus for preheating the ends of upset steel pipes |
| 10/16/1984 | US4477295 Method for fabricating conveyor worms or the like |
| 10/10/1984 | EP0120976A1 Process for manufacturing cold-rolled steel for deep drawing |
| 10/09/1984 | US4475963 Method for postweld heat treatment |
| 10/09/1984 | CA1175650A1 Multi-pipe type quenching apparatus |
| 10/09/1984 | CA1175649A1 Method and system for controlling multi-zone reheating furnaces |
| 10/03/1984 | EP0024437B1 Process for producing non-aging cold-rolled steel sheets |
| 09/26/1984 | EP0119714A2 Cutting and piercing devices |
| 09/25/1984 | US4473412 Annealing steel strip using molten B2 O3, SiO2 Na2 O, NaF glass bath |
| 09/25/1984 | US4473411 Process of making aluminum killed low manganese deep drawing steel |
| 09/19/1984 | EP0119186A2 Method of manufacturing turbine blades |
| 09/19/1984 | EP0119182A1 Method of improving the surface properties of rolls |