| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 06/18/1996 | US5527402 Differentially heat treated process for the manufacture thereof |
| 06/18/1996 | US5527020 For a gas turbine engine |
| 06/18/1996 | US5526652 Method and plant for rapidly cooling a product rolled in a hot rolling mill |
| 06/13/1996 | DE19545391A1 Heat treatment of aluminium@ castings with direct heating |
| 06/12/1996 | EP0716185A1 Method of producing a frog point as well as frog point |
| 06/12/1996 | EP0716152A1 Process for heat treating workpieces |
| 06/12/1996 | EP0715550A1 Rolling of metal strip |
| 06/12/1996 | CN1124296A Heat treating method for spring structure soft mattress core |
| 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 | EP0714452A1 Process and device for heat treatment in a hood type annealing furnace |
| 06/05/1996 | EP0705155A4 Method of forming seamed metal tube |
| 06/05/1996 | EP0467898B1 Vacuum furnace |
| 06/05/1996 | CN2228490Y Heat treatment clamping apparatus for universal disc brake shoe |
| 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 | 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 | CN2228214Y Energy-saving aluminum-tube annealing furnace |
| 05/29/1996 | CN1123338A Steam-turbine power plant and steam turbine |
| 05/29/1996 | CN1123332A Alignment and tempering device for large saw-disc |
| 05/29/1996 | CN1123331A Method and apparatus for heat-treating profiled rolling stock |
| 05/28/1996 | CA1338350C Permanent domain refinement by aluminum deposition |
| 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 |
| 05/22/1996 | CN2227667Y Five-hinged hydraulic rail jack |
| 05/17/1996 | WO1996014514A1 A screw and method for the manufacturing and treatment of a screw |
| 05/17/1996 | WO1996014444A2 Bake hardenable vanadium containing steel |
| 05/17/1996 | CA2204492A1 Bake hardenable vanadium containing steel |
| 05/15/1996 | EP0711621A1 Welding high-strength nickel base superalloys |
| 05/15/1996 | EP0611480B1 Resonant tag of soft magnetic alloy |
| 05/15/1996 | DE19541468A1 Method of producing washer with thickened section |
| 05/15/1996 | CN1122264A A process for the preparation of cold rolled stain less steel strips and metal strips, more particularly of titanium alloys |
| 05/14/1996 | US5516376 Method of, and apparatus for manufacturing a gear with a central through hole |
| 05/14/1996 | US5515770 Piston having laser hardened primary compression ring groove and method of making same |
| 05/09/1996 | WO1996013618A1 Cold rolled sheet steel for shadow mask, and manufacturing method therefor |
| 05/08/1996 | EP0655959A4 Apparatus and method for precision gear finishing by controlled deformation. |
| 05/08/1996 | EP0438592B1 Production method of unidirectional electromagnetic steel sheet having excellent iron loss and high flux density |
| 05/08/1996 | CN1122166A Method of manufacturing a shadow mask of the nickel-iron type |
| 05/08/1996 | CN1121960A Annealing and descaling method for stainless stell |
| 05/08/1996 | CN1121847A Method for mfg. high-prestressed tension spring |
| 05/07/1996 | US5514064 Process and means for making metal inking rolls |
| 05/07/1996 | US5513794 Method for fixing stopper ring to pipe spigot |
| 05/02/1996 | WO1996012572A1 Slab feed yard |
| 05/02/1996 | DE4435530A1 Method and appts. for running hot-rolled wide strip or similar product on a roller conveyor |
| 05/01/1996 | EP0708843A1 Method and plant for the manufacture of special steel blanks |
| 05/01/1996 | EP0708842A1 Warm forming high strength steel parts |
| 05/01/1996 | CN1121535A High strength, high weldability steel bars and wires for prestressed concrete |
| 04/24/1996 | EP0620865B1 Railway-track elements and method of manufacturing them |
| 04/24/1996 | EP0436032B1 Method of producing high-strength stainless steel strip having duplex structure and excellent spring characteristics |
| 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 |
| 04/17/1996 | EP0707089A1 High-carbon steel wire or steel therefor excellent in workability in wire drawing and process for producing the same |
| 04/17/1996 | EP0707082A1 Installation for heat treating steel wires |
| 04/17/1996 | EP0706840A2 Method and device for manufacturing cold rolled stainless steel from hot rolled strip |
| 04/17/1996 | CN2224848Y Thin steel shet qunching and heating apparatus by heat transfering method |
| 04/16/1996 | US5508492 Apparatus for extending broad metal surface areas with a magnetically impelled arc |
| 04/16/1996 | US5508002 Spring steel of high strength and high corrosion resistance |
| 04/16/1996 | US5507580 Rod end bearing for aircraft use |
| 04/11/1996 | DE19537162A1 Heat treatment furnace of continuous cast pipe with independent recuperators |
| 04/11/1996 | DE19530430C1 Electro-inductive bearing surface hardening appts. |
| 04/10/1996 | EP0705369A1 Rails |
| 04/10/1996 | EP0705155A1 Method of forming seamed metal tube |
| 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 | WO1996010095A1 Method for making rails |
| 04/04/1996 | DE19536978A1 Weld plating of steel tube |
| 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 | EP0704542A1 Method for making non-oriented magnetic steel sheet |
| 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 |
| 03/28/1996 | DE4435025A1 Welding different chromium-steels for high temp. use |
| 03/27/1996 | EP0703423A1 Step elevator for transporting workpieces in a vertical direction within an oven or furnace |
| 03/27/1996 | EP0703300A1 A method and equipment for bringing metal alloy ingots, billets and the like to the semisolid or semiliquid state in readiness for thixotropic forming |
| 03/27/1996 | EP0703299A1 Method and apparatus for hardening the steel edges of skis |
| 03/27/1996 | EP0703298A1 Method of manufacturing steels with good workability and shape stability |
| 03/26/1996 | US5501639 Constant velocity universal ball joint |
| 03/24/1996 | CA2158688A1 Method and equipment for bringing metal alloy ingots, billets and the like to the semisolid or semiliquid state in readiness for thixotropic forming |
| 03/20/1996 | EP0701873A1 Intermediate storage oven downstream of a thin stab casting plant |
| 03/19/1996 | US5500058 From low carbon boron steel, hot trimming during forging step, energy savings |
| 03/14/1996 | WO1996007861A1 Dual-purpose guide and drum cleaner for steckel mill coiler furnace |
| 03/13/1996 | EP0700739A1 Method for producing a vehicular endless track link |
| 03/13/1996 | EP0700735A2 Press working method including step of strengthening local portion of blank |
| 03/13/1996 | CN1118638A Improved process for manufacturing alternator pole piece |
| 03/13/1996 | CN1118611A High strength high toughness spring steel, and manufacturing process therefor |
| 03/13/1996 | CN1118377A Reproduction of diamond saw disc body |
| 03/12/1996 | US5498156 Dual-purpose guide and drum cleaner for Steckel mill coiler furnace |
| 03/12/1996 | US5497817 Method for continuously annealing steel strip |
| 03/06/1996 | EP0699774A2 Steels for tyre rims and monobloc tyres for railways and the like |
| 03/06/1996 | EP0699258A1 Sheet metal covering strips |
| 03/06/1996 | EP0699243A1 Thermal treatment device for metallic workpieces |
| 03/06/1996 | CN2221597Y Metallic wire-drawing annealing machine |
| 03/06/1996 | CN2221596Y Controllable atmosphere multi-purpose rare-earth carburizing furnace |
| 03/06/1996 | CN1118174A Rail of high abrasion resistance and high tenacity having pearlite metalographic structure and method of manufacturing the same |
| 03/06/1996 | CN1118012A Heat treatment technology for high curie-point amorphous rare earth permanent-magnet powder |