| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 06/24/1992 | CN1017159B Lazer heat treatment technique of ic engine cylinder bore |
| 06/23/1992 | US5124517 Method of induction-hardening machine components |
| 06/23/1992 | US5123969 Bake-hardening cold-rolled steel sheet having dual-phase structure and process for manufacturing it |
| 06/23/1992 | CA1303945C 9 chromium - 1 molybdenum alloy having superior high temperature properties and weldability, a method for preparing same and articles fabricated therefrom |
| 06/17/1992 | CN1062003A Heat treatment of medium carbon steel cutter |
| 06/16/1992 | US5122255 A device for adjusting oxygen concentration to a desired value ; accuracy |
| 06/16/1992 | US5122199 Copper brazed torque converter pump housing made from formable high strength microalloyed steel |
| 06/16/1992 | US5122198 Subjecting to final annealing of short duration at specific temperature |
| 06/16/1992 | US5121903 Quenching arrangement for a furnace |
| 06/16/1992 | CA1303468C Method for heat-treating steel rail head |
| 06/10/1992 | CN1016969B Automatical device for rapid heat chemical processing |
| 06/03/1992 | EP0488165A2 A metallic member with an improved surface layer |
| 05/27/1992 | CN2105497U Two-layer combustion energy-saving anneal furnace |
| 05/26/1992 | US5116026 Modular annealing apparatus for in situ reactor vessel annealing and related method of assembly |
| 05/20/1992 | CN1016706B Method of operating machine for relaxing of workpieces stress by vibration |
| 05/19/1992 | US5114500 Nitriding furnace apparatus and method |
| 05/19/1992 | US5114499 Method of forming chilled layer |
| 05/14/1992 | WO1992008180A1 A control system for scheduling parts in a heat-treating process |
| 05/14/1992 | WO1992007966A1 High-strength steel parts and method of making |
| 05/13/1992 | EP0485314A1 Apparatus for low temperature plasma surface treatment of a metal plate or sheet |
| 05/13/1992 | EP0484904A2 Process for producing grain-oriented electrical steel sheet having improved magnetic and surface film properties |
| 05/13/1992 | EP0484667A1 Multi-purpose furnace for the thermal treatment of metallic workpieces |
| 05/12/1992 | US5112412 Cooling of cast billets |
| 05/12/1992 | CA1300472C Carburized low silicon steel article and process |
| 05/07/1992 | DE4035589A1 Laser hardening esp. of metal pincers - followed by quench hardening to obtain high core toughness |
| 05/07/1992 | DE4034653A1 Pusher-type furnace - divides row of containers into separate blocks at end of each push cycle for insertion of treatment zone dividing doors |
| 05/06/1992 | EP0483596A1 Vacuum furnace for the thermal treatment of metallic workpieces |
| 05/06/1992 | EP0483182A1 Process for hardening the cutting edges of saws, knives and cutting tools. |
| 05/06/1992 | EP0172250B1 Apparatus for dip-hardening metal pipe |
| 05/06/1992 | CN1060873A Laser heat treatment technology of elevator sine wheel |
| 04/30/1992 | WO1992007100A1 Process and device for affecting measurement and shape changes in the hardening of workpieces |
| 04/30/1992 | DE4034235A1 Heat treatment with neutral carbon potential - by coating workpieces with soot |
| 04/29/1992 | EP0482992A1 Process for the production of a thermic treatment atmosphere |
| 04/29/1992 | CN1060685A Method of nitriding steel and heat treat furnaces used therein |
| 04/23/1992 | DE4120689C1 Electron-beam hardening cutting area of flat tool - by overlap mounting blades, while leaving area to be hardened uncovered etc. |
| 04/22/1992 | EP0481839A1 Process of production of a controlled atmosphere for the thermic treatment of metals |
| 04/22/1992 | EP0480924A1 Process for case-hardening roller bearing components of low-alloy nickel steel |
| 04/21/1992 | US5106059 Siphon driven quench tank assembly |
| 04/21/1992 | CA1299071C Method of making a duplex stainless steel and duplex stainless steel product with improved mechanical properties |
| 04/19/1992 | CA2053503A1 Processes for production of a controlled atmosphere for metal heating |
| 04/17/1992 | WO1992007224A1 High intensity infrared heat treating apparatus |
| 04/17/1992 | WO1992006781A1 Fluidized bed apparatus and method using same |
| 04/17/1992 | WO1992006780A1 Coolant controlled infrared heat treat apparatus |
| 04/17/1992 | CA2093002A1 High intensity infrared heat treating apparatus |
| 04/16/1992 | WO1992005911A1 Process and device for manufacturing a texturing roller |
| 04/16/1992 | WO1992005909A1 Process and device for manufacturing a texturing roller |
| 04/16/1992 | DE4133799A1 Verfahren und vorrichtung zum beeinflussen von mass- und formaenderungen beim haerten von werkstuecken Method and device for influence of tailor-border and formative ments in the hardening of workpieces |
| 04/15/1992 | EP0480385A1 A fluidized bed apparatus for chemically treating workpieces |
| 04/15/1992 | EP0480265A1 Method of producing permalloy cores |
| 04/15/1992 | CN1016253B Induction heating method and apparatus |
| 04/15/1992 | CN1016252B Quenching method |
| 04/14/1992 | US5104462 Scanning induction hardening process by using radially moving induction coil |
| 04/14/1992 | US5104314 Refractory hearth furnace floor arrangement for retaining an alloy chain and pusher assembly |
| 04/13/1992 | CA2052140A1 Fluidized bed apparatus for chemically treating workpieces |
| 04/09/1992 | DE4031547A1 Verfahren und vorrichtung zur herstellung von texturwalzen Method and apparatus for manufacturing texture rollers |
| 04/09/1992 | DE4031545A1 Verfahren und vorrichtung zur herstellung einer texturwalze Method and device for manufacturing a texture roller |
| 04/08/1992 | EP0479378A1 Fluidized bed furnace with internal gas combustion |
| 04/07/1992 | US5103073 Device for laser treatment of an object |
| 04/07/1992 | US5102479 Of carbon, silicon, manganese, chromium, vanadium, sulfur, lead, calcium, aluminum, oxygen and iron, ferrite/peralite microstructure |
| 04/02/1992 | WO1992005295A1 Gas carburizing process and apparatus |
| 04/02/1992 | WO1992005001A1 Process and device for the reduction annealing of powdered iron |
| 04/01/1992 | EP0478041A1 Method of forming a magnetically-coded pattern in a permanent magnet material |
| 04/01/1992 | CN1016043B Method and apparatus for cooling metal strip |
| 03/31/1992 | US5100483 Carburizing a surface, then partial removal by machining, provides carburized and uncarburized areas without masking |
| 03/26/1992 | DE4134333A1 Increasing tensile and vibrational strength of metal surface - by producing induced magnetic stress in surface area using current carrying rod |
| 03/26/1992 | DE4030054A1 Verfahren und anlage zum reduktionsgluehen von eisenpulver Method and system for reduktionsgluehen of iron powder |
| 03/26/1992 | DE4029724A1 Induction heating eccentric shaped workpieces - using inducer control device to regulate spacing between workpiece surface and inducer |
| 03/24/1992 | US5098070 Furnace atmosphere reforming catalystic agitator |
| 03/20/1992 | CA2051798A1 Device for surface treating a metal material plate by low temperature plasma |
| 03/18/1992 | CN1059567A Bainite steel shearing-blade and its heat-treatment process |
| 03/18/1992 | CN1059565A Sub-temperature quench for improving cutting property of quenched and tempered steel |
| 03/17/1992 | US5096511 Method and a device for thermal surface-hardening of metal workpieces |
| 03/17/1992 | US5096051 Roller with conical shank |
| 03/11/1992 | CN1059375A Strong-malleabilizing treatment of hot-working die |
| 03/11/1992 | CN1059368A Method of preparing nitrogen-group controllable atmosphere used for metal thermal treatment |
| 03/10/1992 | US5094702 Menu driven heat treatment control of thin walled bodies |
| 03/10/1992 | US5094698 Warm forming |
| 03/05/1992 | WO1992003580A1 Method of hardening corrugating rolls |
| 03/04/1992 | EP0473561A1 A method of heat treatment of a steel product |
| 03/03/1992 | CA1296603C Process for rapid quenching in a fluidized bed |
| 02/26/1992 | CN1058992A Heat treatment of grinding ball |
| 02/25/1992 | US5091021 Directing energy in a pattern to heat a magnet, selectively magnetizing, cooling to generate detectable magnetic flux density |
| 02/20/1992 | WO1992003026A1 Apparatus and method of induction-hardening machine components with precise power output control |
| 02/20/1992 | WO1992002326A1 Process for producing annular part |
| 02/20/1992 | WO1992002316A1 Device for cooling extruded profiles |
| 02/19/1992 | EP0471608A1 Method of and installation for producing nonoxidizable half ferritic steel strips from liquid metal |
| 02/18/1992 | US5089059 Method and device for the heat treatment of metal straps |
| 02/18/1992 | US5089058 Method and apparatus for high frequency heat-treatment of long continuous metal blanks |
| 02/14/1992 | CA2048769A1 Process and device for making semi ferritic stainless steel strip |
| 02/13/1992 | DE4025022A1 Annealing non-ferrous metal strip in floating strip oven - where thicker strips of metal are supported in denser inert atmos. |
| 02/12/1992 | CN1015474B Vacuum furnace for heat treatment of metallic workpieces |
| 02/11/1992 | CA1295479C2 Heat retaining means |
| 02/06/1992 | DE4024605A1 Vorrichtung zur abkuehlung von strangpressprofilen Apparatus for cooling-down of in extruded profiles |
| 02/04/1992 | CA1295215C Cleaning of metal articles |
| 01/29/1992 | EP0323961B1 An improved fluid barrier curtain system |
| 01/28/1992 | US5084113 Quench hardening a valve of heat resistant martensite steel wi th a facing |
| 01/28/1992 | US5083374 Thermally prestressed cylindrical structure and method of making same |
| 01/22/1992 | EP0467749A1 Method of hot dip aluminium coating of a ferritic stainless steel strip |
| 01/22/1992 | EP0467384A2 Method of producing grain oriented silicon steel sheets each having a low watt loss |
| 01/21/1992 | US5082507 Austempered ductile iron gear and method of making it |