| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/27/1997 | DE19603037C1 Electron beam multi-chamber unit, e.g. for welding and hardening |
| 02/26/1997 | EP0759477A1 Equipment for inductive hardening of directly adjacent bearing surfaces of a crankshaft |
| 02/25/1997 | US5605587 Apparatus for magnetic conditioning of liquids and methods of making same |
| 02/20/1997 | WO1996038257A3 Laser beam apparatus and workpiece machining process |
| 02/20/1997 | DE4345388C2 Remelt hardening of valve drive surface of cam |
| 02/20/1997 | DE19537738C1 Appts. for simultaneous induction hardening of several different surface regions of a steel workpiece |
| 02/20/1997 | DE19530139A1 Heat treatment of electrically conductive workpieces |
| 02/19/1997 | EP0758406A1 A technique to prevent or divert cracks |
| 02/19/1997 | CN2247666Y High-efficiency heat treatment device |
| 02/19/1997 | CN1143392A Workpiece quenching process and device |
| 02/19/1997 | CN1143021A Tyre with peripheral steel cable for fixing tyre body and technology for treating such steel cable |
| 02/18/1997 | US5603784 Heat treatment forming austenitic steels |
| 02/18/1997 | US5603576 Method for manufacturing balls for bearing and products thereby |
| 02/12/1997 | EP0758023A1 Steel machine component having refined surface microstructure and process for forming the same |
| 02/11/1997 | US5601363 Quench system cooling effectiveness meter and method of operating same |
| 02/06/1997 | WO1996025969A3 High performance wires for use in medical devices and alloys therefor |
| 02/05/1997 | EP0757110A1 Method for heat treating railway track elements |
| 02/05/1997 | EP0756643A1 Method for mitigating residual stresses in welded metal components using high torch travel speeds |
| 02/05/1997 | CN2246671Y Multi-functional energy-saving non-ferrous metal annealing device |
| 02/04/1997 | US5599408 Improving the toughness with aging treatment |
| 01/29/1997 | EP0755732A1 Improved facility for in-line heat treatment of hot-rolled products |
| 01/29/1997 | CN1141348A Method for producing grain-oriented electrical steel sheet having mirror surface and improved core loss |
| 01/28/1997 | US5597527 Thermomagnetic apparatus for determining optimum heat treatment of alloys |
| 01/22/1997 | EP0754775A1 Perlite rail of high abrasion resistance and method of manufacturing the same |
| 01/22/1997 | EP0754773A1 Wear resisting steel, sliding member for cylinder in internal combustion engine, and ring spring |
| 01/22/1997 | EP0754771A1 Method and apparatus for quenching a tubular workpiece |
| 01/22/1997 | EP0754769A1 Furnace for heat treating batches of metal workpieces |
| 01/22/1997 | EP0754768A1 Furnace for heat treating batches of metal workpieces |
| 01/21/1997 | US5595610 Method of manufacturing case-hardened parts with little distortion in heat treatment and superior strength in bending fatigue |
| 01/16/1997 | WO1997001651A1 Hi-density sintered alloy and spheroidization method for pre-alloyed powders |
| 01/16/1997 | WO1997001403A1 Method and plant for the manufacture of a thin hot-rolled steel strip |
| 01/16/1997 | WO1997001402A1 Method and plant for the manufacture of a strip of formable steel |
| 01/16/1997 | WO1997001401A1 Plant for the manufacture of steel strip |
| 01/15/1997 | EP0753598A1 Electrochemical hardness modification of non-allotropic metal surfaces |
| 01/15/1997 | EP0753587A1 Plant for hardening and tempering metallic articles |
| 01/15/1997 | CN1140490A Non-oxidizing heating method and apparatus therefor |
| 01/15/1997 | CN1140473A Perlite rail of high abrasion resistance and method of mfg. the same |
| 01/15/1997 | CN1140425A Device for pressurised water discharge pipe |
| 01/15/1997 | CN1140097A Process and plant for generating nitrogen for heat treatment |
| 01/14/1997 | US5593603 Method for producing hardened flutes in a kelly bar |
| 01/14/1997 | US5592823 Variable soft cooling header |
| 01/09/1997 | WO1997000974A1 A method and an apparatus for the treatment of components by a gas mixture |
| 01/08/1997 | EP0752479A1 Process for the interrupted quenching of a light alloy casting coming from a solution treating furnace |
| 01/08/1997 | EP0752286A1 Thermal method to control the deformations of hot-rolled sections and relative device |
| 01/08/1997 | EP0752012A1 Process for producing magnetic steel sheets with a glass coating |
| 01/08/1997 | CN1139595A Method and device for cooling hot-rolled shaped material |
| 01/07/1997 | US5591531 Aluminized steel alloys containing chromium |
| 01/07/1997 | US5591277 Method for thermally conditioning disc drive swage mounts |
| 01/07/1997 | US5591274 Heat treatment method for metals |
| 01/02/1997 | EP0751232A1 Steel material containing fine graphite particles uniformly dispersed therein and having excellent cold workability, machinability and hardenability, and method of manufacturing the same |
| 01/02/1997 | EP0751015A1 Tyre comprising circumferential cords for the anchoring of the carcass, method of preparation of such cords |
| 01/02/1997 | EP0750832A1 Apparatus for treating metal surfaces with a magnetically impelled arc |
| 01/02/1997 | EP0750683A1 Process and device for influencing the changes in size and shape of workpieces during hardening |
| 01/02/1997 | EP0682851A4 Apparatus for and method of induction-hardening machine components. |
| 01/02/1997 | DE19624499A1 Method and appts. for hardening with use of high-frequency heating |
| 01/01/1997 | CN2244052Y Medium frequency induction heating welding device for truncation gear of coal cutting machine |
| 12/31/1996 | US5588828 Vertical bright annealing furnace for continuous heat treatment of metal strips |
| 12/30/1996 | CA2180281A1 Cables for circumferentially retaining a tire ply-belt, method for producing said cables and tire comprising same |
| 12/27/1996 | EP0750170A1 Non-oxidizing heating method and apparatus therefor |
| 12/27/1996 | EP0638147B1 Process for producing a component with at least one divided bearing surface for rolling elements |
| 12/25/1996 | CN1138880A Highly corrosion-resistant martensitic stainless steel with excellent weldability and process for producing the same |
| 12/25/1996 | CN1033661C Working method of piston ring |
| 12/24/1996 | US5586610 Kelly bar having hardened flutes |
| 12/19/1996 | WO1996041031A1 Process for case hardening higher molybdenum-alloyed sintered steels |
| 12/19/1996 | WO1996002676A3 Cold formed high-strength steel structural members |
| 12/19/1996 | DE19521824A1 Method for producing camshaft |
| 12/18/1996 | EP0749147A2 Method and device for controlling the electrical current density over a workpiece during heat treatment by plasma |
| 12/18/1996 | CN1138352A Process and device for exchanging the atmosphere in a hood type annealing furnace |
| 12/17/1996 | CA2073137C In-situ generation of heat treating atmospheres using non-cryogenically produced nitrogen |
| 12/12/1996 | DE19520354A1 Verfahren zum Einsatzhärten von höhermolybdänlegierten Sinterstählen A method of case-hardening of higher-molybdenum sintered steels |
| 12/12/1996 | DE19519150A1 Laserstrahlgerät und Verfahren zur Bearbeitung von Werkstücken Laser beam apparatus and method for machining workpieces |
| 12/11/1996 | EP0747493A2 Heat treatment installation |
| 12/11/1996 | EP0747154A1 Process and apparatus for producing sintered parts |
| 12/11/1996 | EP0746632A1 Rod cooling system |
| 12/11/1996 | EP0684881B1 Process and device for applying a temperature profile to metal blocks to be extruded |
| 12/10/1996 | US5582867 Diffusion heat treatment |
| 12/05/1996 | WO1996038597A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
| 12/05/1996 | WO1996038257A2 Laser beam apparatus and workpiece machining process |
| 12/05/1996 | DE19520138A1 Cooling channel for heat treated plate and sheet |
| 12/05/1996 | CA2222504A1 Martensitic stainless steel having high mechanical strength and corrosion resistance and relative manufactured articles |
| 12/04/1996 | EP0746178A1 Apparatus for pre-heating amorphous carbon roots |
| 12/04/1996 | EP0745696A1 High strength steel composition having enhanced low temperature toughness |
| 12/04/1996 | EP0745446A1 Atmospheres for extending life of wire mesh belts used in sintering powder metal components |
| 12/04/1996 | CN2241696Y Isothermal flatter |
| 11/27/1996 | EP0743888A1 Device and process for shaping a laser beam, espacially in laser-beam surface machining |
| 11/26/1996 | US5578233 Induction furnace with linear flux concentrator |
| 11/26/1996 | US5578150 Heat treatment process for wire rods |
| 11/20/1996 | EP0743369A1 Surface processing method for a steel member and surface processed steel member |
| 11/20/1996 | EP0742844A1 Hi-density sintered alloy |
| 11/19/1996 | US5575867 Exposing weld joints to a water vapor atmosphere |
| 11/13/1996 | EP0460211B1 Production of anticorrosive and antiwearing alloy |
| 11/06/1996 | CN1134985A Method and equipment for quenching switch blade from 5 mm part of railway |
| 11/06/1996 | CN1134859A Diagnosis device for colling equipment of hot rolling arrangement |
| 11/06/1996 | CN1134858A Method for mfg. orientation silicon steel plate with excellent magnetic property within whole length |
| 11/06/1996 | CN1033234C Heat treatment equipment for wear-resistant iron or steel pieces |
| 10/30/1996 | EP0739426A1 Workpiece quenching process and device |
| 10/30/1996 | EP0739253A1 Method and device for manufacturing cold rolled metal sheets or strips, and metal sheets or strips obtained |
| 10/30/1996 | EP0739250A1 Using lasers to fabricate coatings on substrates |
| 10/30/1996 | CN1134465A Regeneration method of alloyed steel fastener after embrittlement |
| 10/30/1996 | CN1134464A Annealing furnace for non-box annealed casting of mitis metal |