| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/16/1996 | US5536338 Method of annealing iron-based products comprised of carbon steel rich in chromium and manganese |
| 07/16/1996 | US5536337 Method for heat treating a metal component |
| 07/16/1996 | US5536089 Method of producing a component having at least one split running face for rolling elements |
| 07/16/1996 | US5535990 Apparatus for annealing/magnetic annealing amorphous metal in a fluidized bed |
| 07/10/1996 | EP0721030A1 Method to make a rupture zone in a tension member for a prestressed ground anchor |
| 07/10/1996 | EP0720664A1 Method of treating at least one component made of weakly magnetic material |
| 07/10/1996 | CN1126173A Process and apparatus for producing heat treatment atmospheres |
| 07/09/1996 | US5534081 Fuel injector component |
| 07/09/1996 | US5533982 Curved, silicone-coated surgical needle having been shaped prior to martensitic precipitation-hardening by vacuum heat and cooling treatments; tensile strength, sharpness |
| 07/09/1996 | US5533770 High-strength solid wheels and tires for railroad traction vehicles and cars |
| 07/09/1996 | US5533716 Method and device for quenching, particularly for steel tubes or similar |
| 07/09/1996 | CA2100200C Extrusion billet taper quenching system |
| 07/04/1996 | DE19500019A1 Evacuable chamber for cooling metallic materials after heat treatment |
| 07/03/1996 | EP0719869A1 Process for producing high- and low-pressure integral-type turbine rotor |
| 07/03/1996 | EP0719868A1 Steel sheet for automobiles having excellent impact resistance and method of manufacturing the steel sheet |
| 07/03/1996 | CN1125781A Hearth roll with superior indurance capacity |
| 07/03/1996 | CN1125774A Non-oxidation heat treatment for regular micro silicon sheet |
| 07/03/1996 | CN1125773A Anneal isolating objects with good reactivity and used for silica steel sheet |
| 06/26/1996 | EP0718410A1 Process for producing rocker arms |
| 06/26/1996 | EP0718013A2 Method for the treatment of ski edges etc. |
| 06/26/1996 | CN1125259A Tobacco cutting machine blade superhard heat treatment processing technology |
| 06/26/1996 | CN1125257A Method and device for quenching, particularly for steel tubes or similar |
| 06/25/1996 | US5530219 Reactor core shroud repair with welded brackets |
| 06/25/1996 | US5529646 Process of Producing high-formability steel plate with a great potential for strength enhancement by high-density energy |
| 06/25/1996 | US5529290 Apparatus for quenching coil springs to assure cooling |
| 06/20/1996 | WO1996018467A1 Device for pressurised water discharge pipe |
| 06/19/1996 | EP0717116A1 Process for producing a work piece of machine construction steel and work piece produced by this process |
| 06/19/1996 | CN2229459Y Improved high periodic wave heat treatment induction coil |
| 06/18/1996 | US5528019 High frequency induction heating method for rocker arms |
| 06/18/1996 | US5527441 Welding electrode with flat blade |
| 06/18/1996 | US5527399 Magnetic strips and methods for making the same |
| 06/18/1996 | US5527018 Filter unit and apparatus for desludging salt baths |
| 06/18/1996 | US5526652 Method and plant for rapidly cooling a product rolled in a hot rolling mill |
| 06/13/1996 | WO1996017968A1 Method of heat-treating oxygen-sensitive products |
| 06/13/1996 | DE19545391A1 Heat treatment of aluminium@ castings with direct heating |
| 06/12/1996 | EP0716152A1 Process for heat treating workpieces |
| 06/06/1996 | WO1996017215A1 Non-oxidizing heating method and apparatus therefor |
| 06/06/1996 | WO1996017094A1 Sprocket and manufacturing method thereof |
| 06/06/1996 | CA2148731A1 Piston having laser hardened primary compression ring groove and method of making same |
| 06/05/1996 | EP0714991A1 Sealing device for outlet/inlet of controlled atmosphere heat treatment furnace |
| 06/05/1996 | EP0714990A1 Method for making an abrasion resistant steel |
| 06/05/1996 | EP0714452A1 Process and device for heat treatment in a hood type annealing furnace |
| 06/05/1996 | EP0630295B1 Method and device for reducing scale formation during hot forming of metal, in particular steel |
| 06/05/1996 | DE4442903A1 Vacuum oven plant with vertical pressurised gas quenching chamber |
| 06/05/1996 | CN2228489Y Heating quenching heat treatment device for sheet part |
| 06/05/1996 | CN1123842A Pipe heat-treatment system equipped with induction furnace |
| 06/05/1996 | CN1123841A Method and apparatus for producing hot rolled wide steel belt |
| 06/04/1996 | US5524020 Vacuum furnace with movable hot zone |
| 06/04/1996 | US5522949 Austempering iron casting |
| 06/04/1996 | US5522134 Turbine vane flow area restoration method |
| 05/30/1996 | DE4440729A1 High strength, relaxation-resistant steel spring |
| 05/29/1996 | EP0713736A2 Holding device for preforms |
| 05/29/1996 | CN1123331A Method and apparatus for heat-treating profiled rolling stock |
| 05/29/1996 | CN1123308A Method for treating the radiant tubes of a fired heater in a thermal cracking process |
| 05/23/1996 | WO1996015291A1 Process for producing directional electrical sheet excellent in glass coating and magnetic properties |
| 05/23/1996 | WO1996015282A1 Perlite rail of high abrasion resistance and method of manufacturing the same |
| 05/23/1996 | CA2162228A1 Device for holding billets |
| 05/22/1996 | EP0712642A1 Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or the like for metallic strip |
| 05/21/1996 | US5518557 Process for making railroad car truck wear plates |
| 05/21/1996 | US5518222 Nozzle arrangement for use in a cooling zone of rolling mill |
| 05/14/1996 | US5516483 Hi-density sintered alloy |
| 05/14/1996 | US5516373 High performance steel strapping for elevated temperature service and method thereof |
| 05/14/1996 | US5515770 Piston having laser hardened primary compression ring groove and method of making same |
| 05/09/1996 | DE4439536A1 Bowden cable with core reinforced in sections |
| 05/08/1996 | EP0710727A2 Process and device for heat treating metallic workpieces |
| 05/08/1996 | EP0655959A4 Apparatus and method for precision gear finishing by controlled deformation. |
| 05/08/1996 | CN1121960A Annealing and descaling method for stainless stell |
| 05/02/1996 | DE4435530A1 Method and appts. for running hot-rolled wide strip or similar product on a roller conveyor |
| 05/01/1996 | EP0708842A1 Warm forming high strength steel parts |
| 04/30/1996 | CA2111039C Retort wall construction |
| 04/24/1996 | EP0708183A1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same |
| 04/24/1996 | EP0564549B1 Use of a colloidal starch solution for producing baths for quenching metals |
| 04/24/1996 | CN2225478Y Energy saving intermediate frequency heat treatment furnace |
| 04/24/1996 | CN1121385A Induction heating of loaded materials |
| 04/24/1996 | CN1121116A Microbe-preoxidation gold-lixiviating technology and the bacteria culturing device used |
| 04/24/1996 | CN1121115A Surface hardening treatment method for inner wall of long cylinder |
| 04/23/1996 | US5509600 Hot pressure welding of hot steel stock |
| 04/23/1996 | CA2093632C Coolant controlled ir (infrared) heat treat apparatus |
| 04/17/1996 | EP0707089A1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same |
| 04/17/1996 | EP0707088A1 High-carbon steel rod wire or steel wire excellent in workability in wire drawing and process for producing the same |
| 04/17/1996 | EP0707087A1 High-strength steel sheet adapted for deep drawing and process for producing the same |
| 04/17/1996 | EP0707082A1 Installation for heat treating steel wires |
| 04/17/1996 | EP0707081A1 Methods for quenching metal |
| 04/17/1996 | CN1120795A 感应加热装置 Induction heating apparatus |
| 04/16/1996 | US5508492 Apparatus for extending broad metal surface areas with a magnetically impelled arc |
| 04/15/1996 | CA2160508A1 Methods for quenching metal |
| 04/11/1996 | WO1996010654A1 Highly corrosion-resistant martensitic stainless steel with excellent weldability and process for producing the same |
| 04/11/1996 | DE19530430C1 Electro-inductive bearing surface hardening appts. |
| 04/10/1996 | EP0705907A1 Process and installation for cooling workpieces with gases |
| 04/10/1996 | EP0542813B1 Apparatus and method of induction-hardening machine components with precise power output control |
| 04/10/1996 | CN1120382A Apparatus for and method of induction-hardening machine components |
| 04/09/1996 | US5505798 Method of producing a tool or die steel |
| 04/04/1996 | WO1996010137A1 Method of treating brake pads |
| 04/04/1996 | WO1996010095A1 Method for making rails |
| 04/04/1996 | DE4434591A1 Ferrous metal laser hardening process |
| 04/04/1996 | DE19500091C1 Predetermined rupture position prodn. on tensile member of insert anchor |
| 04/03/1996 | EP0704664A1 Furnace for reheating, holding and storing of metallurgical products |
| 04/03/1996 | CN1031467C Remanufacturing process for waste roll |
| 04/02/1996 | US5503688 Metal wire comprising a substrate of steel of work-hardened tempered martensite type structure and a coating |
| 04/02/1996 | US5503687 Nitrogen enrichment of surface and near surface regions to produce a high-strength austenitic surface layer in stainless steels |