| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/17/1987 | US4643402 System for producing a regulated atmosphere for a high-temperature process |
| 02/17/1987 | US4643401 Apparatus for cooling a vacuum furnace |
| 02/11/1987 | CN86105095A Furnace with movable beam |
| 02/04/1987 | EP0210847A2 Method and apparatus for cooling steel strips |
| 02/03/1987 | CA1217451A1 Method of controlling oxide scale formation and descaling thereof from metal articles |
| 01/29/1987 | WO1987000612A1 Oven with movable beams |
| 01/28/1987 | CN85104854A Technology of quenching of forgings of small module no.45 steel gear |
| 01/27/1987 | US4639279 Single frequency induction hardening process |
| 01/27/1987 | US4639278 Method of manufacturing an amorphous magnetic alloy |
| 01/21/1987 | EP0209408A1 Apparatus for thermochemical treatments at various temperatures and atmospheres, especially for car manufacturing |
| 01/21/1987 | EP0209307A1 Cleaning of metal articles |
| 01/21/1987 | CN85105640A Charging device for heat treatment furnaces |
| 01/20/1987 | US4637844 Method for heat treating ferrous parts |
| 01/17/1987 | CN85100141A Anti-stress corrosion sealing alloy |
| 01/15/1987 | DE3617468C1 Inductor device |
| 01/15/1987 | DE3525426A1 Fluidised-bed retort |
| 01/15/1987 | DE3524018A1 Process and device for producing metal glass |
| 01/13/1987 | US4636089 Process and apparatus for the quenching intensity of liquid quenching batchs |
| 01/13/1987 | CA1216420A1 Means for supporting the material under treatment in continuous action heat treatment furnaces |
| 01/08/1987 | DE3613909C1 Method and apparatus for the hardening of running faces and transition radii of crankshaft offset journals arranged directly one behind the other |
| 01/08/1987 | DE3523362A1 A process for heating blocks, slabs or similar semi-finished products as heating material of carbon steel and plant for carrying out such a process |
| 01/07/1987 | CN86104361A 淬火方法 Quenching method |
| 01/06/1987 | US4634103 Oven equipment for cooling a charge after thermal treatment |
| 12/31/1986 | CN85204040U Bottom rotation type full fibre energy-saving heating resistance furnace |
| 12/30/1986 | US4632708 Magnesia, and ferromanganese nitride or manganese nitride |
| 12/30/1986 | US4632707 Protective atmosphere process for annealing and/or hardening ferrous metals |
| 12/30/1986 | US4632366 Line travel normalizer |
| 12/30/1986 | US4632297 Method and apparatus for feeding shape-welded workpieces immediately after formation |
| 12/30/1986 | EP0206973A2 Simultaneous carburizing and boronizing of earth boring drill bits |
| 12/30/1986 | EP0206873A1 Method of heat treating, gas curtain device and its use in heat treating furnaces |
| 12/30/1986 | EP0206703A2 Method for producing a grain-oriented electrical steel sheet |
| 12/30/1986 | EP0206347A1 Method of quenching |
| 12/30/1986 | EP0205483A1 Method for the compensation of the initial adjustment of members subjected to mechanical wear |
| 12/30/1986 | EP0205464A1 Inductor for heating railroad railheads |
| 12/30/1986 | CA1215900A1 Method for reducing the volume of atmosphere needed to inhibit ingress of ambient oxygen into the furnace chamber of a continuous heat treatment furnace |
| 12/16/1986 | EP0167618A4 Coffin delivery system for metallurgical furnace. |
| 12/16/1986 | CA1215298A1 Laser shock processing |
| 12/09/1986 | US4628179 Method of improving the state of the surface of a roll |
| 12/09/1986 | US4627814 Continuous type atmosphere heat treating furnace |
| 12/09/1986 | US4627175 Fluidized-bed apparatus |
| 12/03/1986 | EP0203454A2 Furnace for heat-treating work pieces |
| 12/03/1986 | CN85102501A Preparation and uses of protecting film on metal parts during heat treatment |
| 11/26/1986 | CN86103498A Furnace for the heat treatment of work pieces |
| 11/26/1986 | CN86102037A Equipment for heating steel billet to the temperature of hot-forming |
| 11/25/1986 | US4625090 Apparatus for inductively heat treating workpiece bore walls |
| 11/25/1986 | US4624714 Microstructural refinement of cast metal |
| 11/20/1986 | WO1986006748A1 Alloy toughening method |
| 11/20/1986 | EP0202057A2 Low pressure misting jet |
| 11/20/1986 | EP0201648A1 Steel strip heating furnace |
| 11/18/1986 | US4623401 Heat treatment with an autoregulating heater |
| 11/18/1986 | US4623129 Apparatus for making retractile cords |
| 11/11/1986 | US4622081 Formable, temperature-resistant martensitic steel having enhanced resistance to wear |
| 11/11/1986 | US4621794 Apparatus for producing a grain-oriented electromagnetic steel strip or sheet |
| 11/05/1986 | CN85103532A System for heat treating orankshafts and other workpieces |
| 11/04/1986 | US4620884 Heat treat process and furnace |
| 11/04/1986 | US4620883 Fluidized-bed heat-treatment method for metallic workpieces |
| 11/04/1986 | US4620840 Furnace for heating up cylindrical charges |
| 10/29/1986 | EP0199703A2 Plant for heating steel material up to the hot-forming temperature |
| 10/29/1986 | CN85103910A Method for heat treatment of hand-saw blade without cyaniding |
| 10/28/1986 | US4619717 Inductive preheating, then radiantly post-heating |
| 10/28/1986 | US4619714 Heating to austenize, then hot rolling and rapid quenching |
| 10/28/1986 | CA1213160A1 Method of manufacturing rails |
| 10/22/1986 | EP0198814A2 Reheating furnace for reheating and temperature averaging hot steel stock |
| 10/22/1986 | EP0198153A2 Proces for heating billets and ingots |
| 10/21/1986 | US4618379 Method for the continuous annealing of steel strips |
| 10/21/1986 | US4617742 Heat treat apparatus |
| 10/15/1986 | EP0197410A2 Device for heating elongated metallic work pieces by induction |
| 10/15/1986 | CN85104240A Process and equipment for heat treatment of rolled steel balls for ball grinders using residual heat |
| 10/14/1986 | US4617070 Method of making wear-resistant cylinder, or cylinder liner surfaces |
| 10/09/1986 | WO1986005823A1 Corrosion inhibiting quenchant compositions |
| 10/09/1986 | WO1986005820A1 Process and installation to permit the assembly line thermo-mechanical working, with little deformation of workpieces; also application of the process |
| 10/08/1986 | EP0196836A1 Metal quenchants |
| 10/08/1986 | EP0196470A1 Method of manufacturing dual phase strip steel and steel strip manufactured by the method |
| 10/08/1986 | CN85102651A Process for heat-treating workpieces, and its heat-treatment equipment for the process |
| 10/01/1986 | CN86102287A Reheating furnace used for reheating and temp. well-distributing to the heated steels |
| 10/01/1986 | CN85100155A Salt used in salt bath stove for prevention of oxidation decarbonisation |
| 09/30/1986 | US4614495 Apparatus for soaking steel pieces |
| 09/24/1986 | CN86101419A Induction heating |
| 09/24/1986 | CN85204571U Laser heat-treating facility with rotating linght conductor |
| 09/23/1986 | US4613385 High strength, low carbon, dual phase steel rods and wires and process for making same |
| 09/17/1986 | EP0194708A1 Multi-wire induction heating |
| 09/17/1986 | EP0194506A1 Process for producing camshaft with cams subjected to remelting chilling treatment |
| 09/16/1986 | US4612065 Fluidized beds |
| 09/16/1986 | US4612064 Method for heat-treating a charge using a vacuum furnace |
| 09/16/1986 | US4611789 Apparatus for the production of improved railway rails by accelerated cooling in line with the production rolling mill |
| 09/12/1986 | WO1986005210A1 Plant for cooling by spraying means |
| 09/12/1986 | WO1986005173A1 Linear spraying device |
| 09/09/1986 | US4610735 Method of modulated cooling to minimize deformation of flat metallurgical products |
| 09/09/1986 | US4610435 Industrial furnace for the thermal treatment of metal workpieces |
| 09/03/1986 | EP0192933A2 Process for heat treating, especially of metallic work pieces, and apparatus therefor |
| 09/03/1986 | EP0192745A1 Shallow case hardening process |
| 09/02/1986 | US4609410 Transformation of austentile to martensite and bainite |
| 09/02/1986 | US4609347 Skid button structure |
| 09/02/1986 | US4609343 Temperature distribution regulating sample holder-adapter for forming conditions for gradient heat treatment in heat treatment ovens or furnaces |
| 09/02/1986 | CA1210672A1 Method for at least partial isothermal bainitizing of workpieces made of ferrous materials |
| 08/27/1986 | EP0191873A1 Method and steel alloy for producing high-strength hot forgings |
| 08/27/1986 | CN85101950A High temp. ballshaping and annealing technology of high carbon low alloyed steel |
| 08/26/1986 | US4608698 Electric heat treating furnace with quickly serviceable heating assembly components |
| 08/26/1986 | US4608101 Prevention of stress cracking in welds in nuclear reactors |
| 08/20/1986 | CN85100774A Annular spray cooler |