| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 08/31/1995 | WO1995023241A1 Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability, and method of manufacturing the same |
| 08/31/1995 | DE4447478A1 Laser beam hardening longitudinal prods. without thermally overloading the beam source |
| 08/31/1995 | DE19506768A1 Cutting and welding coated material with laser beam |
| 08/31/1995 | DE19501391A1 Kontinuierlich veränderliches Toroidgetriebe A continuously variable toroidal transmission |
| 08/30/1995 | EP0668940A1 A method for removal of certain oxide films from metal surfaces |
| 08/30/1995 | EP0668891A1 Coating an object of interest |
| 08/30/1995 | EP0592482B1 Intermediate storage oven downstream of a thin slab casting plant |
| 08/30/1995 | CN1029628C Method and apparatus for laser treatment of silicon steel plate to lower its iron loss |
| 08/29/1995 | US5446258 Process for remelting metal surfaces using a laser |
| 08/29/1995 | US5445685 Heating to dissolve carbides in austenitic steel matrix, then controlled cooling to form spehroidal carbide microstructure |
| 08/24/1995 | WO1995020253A3 Using lasers to fabricate coatings on substrates |
| 08/24/1995 | DE4435862C1 Method and appts. for cooling, esp. for quenching workpieces by gases |
| 08/24/1995 | DE4405500A1 Appts. for carrying out electron beam processes under vacuum |
| 08/23/1995 | EP0612276A4 Heat treatment of metal castings and in-furnace sand reclamation. |
| 08/23/1995 | CN1107187A Surface carburization method for forming austenite having high strength in rustless steel |
| 08/22/1995 | US5444221 High-frequency induction heating apparatus for rocker arms |
| 08/22/1995 | US5443383 Pusher type furnace for heat-treating charges |
| 08/22/1995 | US5442847 Casting ingot, hot isostatic pressing, preparing preforms, isothermally forging, processing into desired wrought end products |
| 08/17/1995 | WO1995021720A1 Device and process for shaping a laser beam, espacially in laser-beam surface machining |
| 08/16/1995 | EP0667175A2 Method for treating edges of skis etc. |
| 08/15/1995 | US5441581 Catalytic oxidation of hydrocarbons with oxygen using nobel metal catalyst on porous support; high space velocity |
| 08/15/1995 | US5441407 Roller for roller-hearth furnaces |
| 08/15/1995 | US5441242 Apparatus for contacting surfaces of workpieces with a flowing gas |
| 08/11/1995 | CA2141770A1 Atmospheres for decarburize annealing steels |
| 08/10/1995 | WO1995021275A1 Hi-density sintered alloy |
| 08/10/1995 | DE4404141A1 Vorrichtung und Verfahren zur Laserstrahlformung, insbesondere bei der Laserstrahl-Oberflächenbearbeitung Apparatus and method for laser beam shaping, especially in laser beam surface treatment |
| 08/08/1995 | US5439300 Including inner race of steel with specified carbon content which has been carburized or carbonitrided, having different carbon content in surface layer and core |
| 08/08/1995 | US5439045 Method of heat treating metal castings, removing cores, and incinerating waste gasses |
| 08/08/1995 | CA1336550C Corrosion resistance alloys |
| 08/05/1995 | CA2126724A1 Continuously cast electrical steel strip |
| 08/01/1995 | US5438179 Method and apparatus for manufacturing texture drums |
| 07/27/1995 | WO1995020253A2 Using lasers to fabricate coatings on substrates |
| 07/27/1995 | WO1995019860A1 Heat treating and removing cores from castings |
| 07/27/1995 | DE4401699A1 Appts. for tube hardening |
| 07/27/1995 | DE4401698A1 Boundary layer hardening of elongate components |
| 07/27/1995 | CA2181440A1 Using lasers to fabricate coatings on substrates |
| 07/26/1995 | EP0664342A1 Case carburized stainless steel alloy for high temperature applications |
| 07/26/1995 | EP0664340A2 Continuous method for producing final gauge stainless steel product |
| 07/26/1995 | CN2203978Y Roller surface treatment machine with laser |
| 07/25/1995 | US5435824 Hot-isostatically-compacted martensitic mold and die block article and method of manufacture |
| 07/25/1995 | US5435378 Apparatus for accurately heating and cooling articles |
| 07/25/1995 | US5435162 Zone heating apparatus |
| 07/20/1995 | WO1995019453A1 Workpiece quenching process and device |
| 07/20/1995 | DE4401228A1 Verfahren und Vorrichtung zum Abschrecken von Werkstücken Process and apparatus for quenching workpieces |
| 07/19/1995 | EP0663455A1 Filter unit and device for desludging salt baths |
| 07/19/1995 | EP0663451A1 Method and device for quenching, particularly for steel tubes or similar |
| 07/18/1995 | US5433820 Method and apparatus for dry process fluxing |
| 07/18/1995 | US5433800 Scanning induction hardening |
| 07/18/1995 | CA2140310A1 Process for treating steel edges for skis or the like |
| 07/12/1995 | EP0662525A1 Process for preventing surface oxidation during steel carburizing |
| 07/12/1995 | EP0662519A1 Apparatus for heat treating workpieces |
| 07/12/1995 | EP0524207B1 Method and device for surface hardening of rotation symmetrical parts through inductive heating by means of at least two different frequencies |
| 07/12/1995 | CN2203307Y Heating radiation pipe for cementing and quenching furnace |
| 07/12/1995 | CN2203306Y Caterpillar non-muffle cementing and quenching furnace |
| 07/12/1995 | CN1105070A PC steel wire or steel bar with good straightness and forging characters |
| 07/11/1995 | US5431753 Manufacturing process for austenitic high manganese steel having superior formability, strengths and weldability |
| 07/11/1995 | US5431746 Method for making thin magnetic strips |
| 07/11/1995 | US5431375 Cooled cylinders for handling steel products |
| 07/06/1995 | WO1995018247A1 Method of forming oxidized passive film, ferrite system stainless steel, fluid feed system and fluid contact component |
| 07/06/1995 | CA2139450A1 Method and device for quenching, particularly for steel tubes or similar |
| 07/05/1995 | EP0661499A1 Real time control of a burner for gases with differing characteristices, especially for a metallurgical furnace for reheating |
| 07/05/1995 | CN1104566A Line to produce strip and/or sheet |
| 07/04/1995 | CA1336157C Die-less drawing method and apparatus |
| 06/29/1995 | DE4406896C1 Martensitic age-hardening process for esp. alloyed steel inlet valves |
| 06/28/1995 | EP0659888A2 Method for manufacturing a high-formable, high-strength cold-rolled steel sheet excellent in resistance to secondary working embrittlement |
| 06/28/1995 | EP0591151B1 A steel bar and billet heating apparatus located upstream of shears for further processing |
| 06/28/1995 | EP0571521B1 Metal wire consisting of a steel substrate with a cold hardened annealed martensitic structure, and a coating |
| 06/28/1995 | CN1104172A Method for preparation of carbon monoxide-hydrogen-nitrogen type atmosphere and its apparatus |
| 06/28/1995 | CN1029134C Titanium libethenite low-alloy cast-iron ball and its production method |
| 06/28/1995 | CA2138860A1 Method of scaleless induction heating |
| 06/28/1995 | CA2138821A1 Apparatus for scaleless induction heating |
| 06/27/1995 | US5428208 Method of induction case hardening a rack bar |
| 06/27/1995 | US5427600 An alloy having a matrix of a tempered martensite prior austenite crystal grains before quenching; fatigue strength, toughness, hardness, wear resistance; clutches, gears |
| 06/27/1995 | US5427457 Rolling bearing |
| 06/22/1995 | WO1995016888A1 Sealing device for doorways of partitions of continuous annealing furnace, continuous coating equipment, and the like |
| 06/22/1995 | DE4422588C1 Gas quenching device in a heat treatment apparatus |
| 06/21/1995 | EP0658635A1 Conductor roll |
| 06/20/1995 | US5425386 Extrusion billet taper quench unit |
| 06/18/1995 | CA2111760A1 Rod cooling apparatus |
| 06/14/1995 | EP0657551A1 Process for annealing products of high chrome manganese steel |
| 06/14/1995 | EP0657522A2 Salt compositions and functional fluids using same |
| 06/14/1995 | DE4442821A1 Induction heating coil for hardening separate inner wall sections of e.g. cylinder block |
| 06/13/1995 | US5424028 Balance of nickel and cobalt as austenite stabilizers to offset ferrite formers, molybdenum, vanadium and chromium; corrosion resistance; automobile bearings, cam shafts, gears, bolts, etc. |
| 06/07/1995 | EP0655959A1 Apparatus and method for precision gear finishing by controlled deformation |
| 06/07/1995 | CN1028767C Method for low-temp. annealing of malleable cast-iron |
| 06/01/1995 | DE4427507C1 Case-hardening metal parts |
| 06/01/1995 | DE4340568A1 Continuous heat treatment of steel wire |
| 05/31/1995 | CN1103236A Roller rotatably mounted on bearings via a ball joint |
| 05/31/1995 | CN1103114A A method for removal of certain oxide films from metal surfaces |
| 05/30/1995 | US5419792 Method and apparatus for cooling a workpiece |
| 05/30/1995 | US5419791 Annealing tubes and hardening |
| 05/26/1995 | WO1995014111A1 Facility for the heat treatment of metal parts, especially parts made of zinc-containing non-ferrous metals |
| 05/24/1995 | CN1102860A Improvement to cooled cylinders for handling siderurgical products |
| 05/23/1995 | US5417774 Heat treating atmospheres |
| 05/18/1995 | WO1995013156A1 Continuously cast steel strip |
| 05/17/1995 | EP0653495A1 Process for graphitizing cast iron |
| 05/17/1995 | EP0653494A1 Narrow steel strip with a high carbon content and process for making this strip |
| 05/16/1995 | US5415381 Steel bar and billet heating system located upstream of shears for further processing |
| 05/11/1995 | WO1995012691A1 Manufacture of silicon steel plate having excellent magnetic characteristic |
| 05/10/1995 | EP0652412A1 Industrial furnace for the thermic treatment of a load in a treatment chamber |