| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 03/11/1998 | CN1175980A Improvements in and relating to cartide-free bainitic steels and method of producing such steels |
| 03/11/1998 | CN1175978A Method for producing steel sheet or strip for making can, resulting steel sheet or strip |
| 03/11/1998 | CN1175918A Determining, controlling electrical resistance |
| 03/10/1998 | US5725696 Process and plant for production of raw stainless steel castings |
| 03/10/1998 | US5725681 Process for producing grain oriented silicon steel sheet, and decarburized sheet |
| 03/10/1998 | US5724842 Rolling of metal strip |
| 03/05/1998 | WO1998008996A1 Method for manufacturing critical distorsion building elements comprising light metal strips |
| 03/05/1998 | WO1998008988A1 Revolving furnace for the treatment of work pieces |
| 03/05/1998 | WO1998008987A1 Process for the production of grain oriented electrical steel strip having high magnetic characteristics, starting from thin slabs |
| 03/05/1998 | DE19634693A1 Partitioning zones containing air at different temperatures in continuous production plant |
| 03/04/1998 | EP0826783A2 Curved disc and method for manufacturing thereof |
| 03/04/1998 | EP0826782A2 High strenght and high toughness steel wires and method for making the same |
| 03/04/1998 | EP0826436A1 Ultra-thin sheet steel and method for manufacturing the same |
| 03/04/1998 | EP0625586B1 Structural member and process for producing the same |
| 03/04/1998 | EP0542951B1 Process for tempering a rail vehicle wheel |
| 03/03/1998 | US5722825 Device for heat-treating metallic work pieces in a vacuum |
| 02/25/1998 | EP0825270A1 Bearing material |
| 02/25/1998 | EP0825267A2 Furnace for coils |
| 02/25/1998 | EP0825266A1 Process for reducing the opening value obtained in the web saw cut test of steel rails |
| 02/25/1998 | EP0824993A1 Method for manufacturing a steel railroad wheel with hardened running surface |
| 02/24/1998 | US5720300 High performance wires for use in medical devices and alloys therefor |
| 02/22/1998 | CA2213888A1 Method of reducing the gaping values in the web saw cut test on steel railway tracks |
| 02/19/1998 | WO1997048831A3 Method for processing billets from multiphase alloys and the article |
| 02/19/1998 | DE19734901A1 Konstruktionsstahl und unter hohem Oberflächendruck verwendete Stahlbauteile Structural steel and steel components used under high surface pressure |
| 02/18/1998 | CN1173544A Press-formed article and method for strengthening the same |
| 02/17/1998 | US5719369 Stress corrosion crack repair by plasma arc welding underwater welding |
| 02/17/1998 | US5718780 Process and apparatus to enhance the paintbake response and aging stability of aluminum sheet materials and product therefrom |
| 02/17/1998 | US5718775 Having specified crystal structure, magnetic properties; transformers, power generators |
| 02/17/1998 | US5718774 Method of producing bevel gear |
| 02/12/1998 | DE19633614A1 Method for producing a compound component |
| 02/11/1998 | CN1172918A High fatigue intensity gear |
| 02/11/1998 | CN1172858A Method of cooling steel sections which are hot from rolling |
| 02/10/1998 | US5716468 Process for producing high-and low-pressure integral-type turbine rotor |
| 02/10/1998 | US5716466 Stainless steel wire product |
| 02/10/1998 | US5716252 Method of manufacturing a shadow mask of the nickel-iron type |
| 02/10/1998 | CA2054395C Method of making high silicon, low carbon regular grain oriented silicon steel |
| 02/04/1998 | EP0822733A1 Induction heating apparatus and installation for continuous thermal treatment using such apparatus |
| 02/04/1998 | EP0690758A4 Surface decarburization of a drill bit having a refined primary cutting edge |
| 02/04/1998 | EP0616647B1 Heavy-duty solid wheels and tyres for rail locomotives and trucks |
| 02/04/1998 | CN1172460A Roll for take-up equipment for hot rolling mill |
| 02/03/1998 | US5714020 Successively or simultaneously preheating each cross-section of rail, overheating part corresponding to head, cooling |
| 02/03/1998 | US5714015 Ferritic nitrocarburization process for steel balls |
| 02/03/1998 | US5713408 Method for making a multicast roll |
| 01/29/1998 | WO1998003687A1 Steel for enameling and method of making it |
| 01/29/1998 | DE19617593A1 Hollow camshaft produced out of a length of pipe |
| 01/29/1998 | CA2239025A1 Steel for enameling and method of making it |
| 01/28/1998 | EP0820530A1 Screwdriver, screwdriver bit or similar device |
| 01/28/1998 | CN1171538A Annealing base for hood-type annealing furnaces |
| 01/28/1998 | CN1171448A Constant current needle annealing |
| 01/28/1998 | CN1171447A Method for heating cold steel ingot with gland |
| 01/28/1998 | CN1171307A Method for cooling deformed steel girder |
| 01/27/1998 | US5711825 Process for the production of grain oriented magnetic steel sheets having improved remagnetization losses |
| 01/27/1998 | US5711187 Gear wheels rolled from powder metal blanks and method of manufacture |
| 01/27/1998 | US5711175 Heat shields for roller tables |
| 01/22/1998 | WO1998002592A1 Method and device for temper-hardening flat metal products |
| 01/22/1998 | WO1998002591A1 Process for producing a grain-orientated electrical steel sheet |
| 01/22/1998 | CA2259693A1 Method and device for temper-hardening flat metal products |
| 01/20/1998 | US5710405 Noncracking |
| 01/20/1998 | US5709759 Method of working a hot-rolled strip |
| 01/15/1998 | DE19653610C1 Apparatus for hardening metal materials |
| 01/14/1998 | EP0818546A1 High fatigue strength gear |
| 01/14/1998 | EP0818545A1 Process for continuously casting sheet metal and apparatus for continuously producing sheet metal |
| 01/14/1998 | EP0724406A4 Process of manufacturing an aneurysm clip |
| 01/14/1998 | EP0628087B1 Method for continuous recrystallization annealing of a steel strip |
| 01/13/1998 | US5708678 Method to equalize the temperature in a heating furnace with a controlled-oxidization ambient and heating furnace carrying out the method |
| 01/13/1998 | US5707181 Method of producing an intended breaking point in a tension member for a soil anchor |
| 01/08/1998 | WO1998000570A1 Induction hardened microalloy steel having enhanced fatigue strength properties |
| 01/08/1998 | WO1998000248A1 Method and plant for the manufacture of a deep-drawing steel strip or sheet |
| 01/08/1998 | DE19626833A1 Case nitriding stainless steel with controlled stabiliser contents |
| 01/08/1998 | DE19621017C1 Verfahren zur Herstellung eines Gleisoberbauteils sowie Gleisoberbauteil A method for producing a track superstructure part and superstructure part |
| 01/07/1998 | EP0816521A2 Forged roll for rolling a seamless steel pipe, and roll manufacturing method |
| 01/07/1998 | EP0816520A2 Press-formed article and method for strengthening the same |
| 01/07/1998 | EP0816519A1 HOT ROLLED Cr-Ni STAINLESS STEEL PLATE OF LOW ANISOTROPY AND PROCESS FOR PRODUCING THE SAME |
| 01/07/1998 | EP0816518A1 Method and apparatus for hardening the surface of a workpiece |
| 01/07/1998 | EP0815405A1 Refractory moulding for revolving hearth furnaces |
| 01/07/1998 | EP0815268A1 Primary cooling method in continuously annealing steel strip |
| 01/07/1998 | EP0489159B1 Method of producing ultrafine high-strength, high-ductility steel wire |
| 01/07/1998 | CN1169476A Laser complicated-heat-treatment method for cylinder |
| 01/06/1998 | US5705228 Dip coating steel substrates using melts of coppper, silver and brass at austenizing temperature under tension, heat treatment to produce fine grain ferrite-pearlite crystal structure, cooling and drawing |
| 01/06/1998 | US5704998 Hot rolling steels for high tensile strength |
| 01/06/1998 | US5704997 Process for preparing a steel strip and novel steel strip |
| 01/06/1998 | US5704261 Torque-transmitting tool |
| 01/06/1998 | CA2119292C Method of and arrangement for thermal treatment of continuously moving metal band |
| 01/02/1998 | DE19725653A1 Adjustable length induction heater for long metal work pieces |
| 12/31/1997 | CN1168825A Process for mfg. connecting rod rough forging |
| 12/30/1997 | US5702667 Method and apparatus for heat treating a bushing |
| 12/30/1997 | US5702548 Tire having circumferential cables for anchoring the carcass |
| 12/30/1997 | US5702338 Heat treating, annealing and tunnel furnace rolls |
| 12/30/1997 | US5701775 Process and apparatus for applying and removing liquid coolant to control temperature of continuously moving metal strip |
| 12/29/1997 | EP0813613A1 Method for making steel wires and shaped wires, and use thereof in flexible ducts |
| 12/24/1997 | WO1997048831A2 Method for processing billets from multiphase alloys and the article |
| 12/24/1997 | WO1997048516A1 Friction welded drill rod and method for manufacturing the rod |
| 12/24/1997 | WO1997048509A1 Method for producing axially symmetric parts and the article |
| 12/24/1997 | CA2254760A1 Friction welded drill rod and method for manufacturing the rod |
| 12/23/1997 | US5700424 System for preparing aluminum alloy strip having improved formability and bake hardenability |
| 12/23/1997 | US5700335 Process and device for regulating the calorific output in a continuous annealing and processing line for continuously cast metal products |
| 12/23/1997 | US5699694 Heat shields |
| 12/23/1997 | CA2094531C Powder feed composition for forming a refraction oxide coating, process used and article so produced |
| 12/18/1997 | DE19623559A1 Hardening of metal workpieces |
| 12/17/1997 | EP0812649A1 Method of producing a hollow turbine blade and multiple effect furnace-press for carrying out the method |