| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 07/13/1999 | CA2165820C High-strength steel sheet suitable for deep drawing and process for producing the same |
| 07/08/1999 | WO1999034023A1 Continuous annealing furnace, rolling bearing, annealing method, and method of manufacturing inner and outer races of deeply groove ball bearing |
| 07/08/1999 | DE19821797C1 Hardened steel parts used for roller bearing parts |
| 07/07/1999 | EP0927505A1 Device for rotating and simultaneous hardening by electric induction |
| 07/07/1999 | CN1222106A Cutting die and method of forming |
| 07/01/1999 | WO1999032837A1 Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids |
| 07/01/1999 | WO1999032672A1 Ultra-high strength steels with excellent cryogenic temperature toughness |
| 07/01/1999 | WO1999032671A1 Ultra-high strength dual phase steels with excellent cryogenic temperature toughness |
| 07/01/1999 | WO1999032670A1 Ultra-high strength ausaged steels with excellent cryogenic temperature toughness |
| 07/01/1999 | WO1999032217A1 Method and apparatus for controlling heat transfer from solid particles in a fluidized bed |
| 07/01/1999 | DE19805837C1 Heat treatment by laser radiation |
| 06/30/1999 | EP0925855A2 Device for the controlled cooling from the rolling temperature of hot-rolled profiles, in particular beams |
| 06/30/1999 | EP0925377A1 Wear-resistant camshaft and method of producing the same |
| 06/30/1999 | CN2326610Y Eight-cam simutaneous-heating quenching inductor |
| 06/30/1999 | CN1221041A Method and system for cooling strip material |
| 06/30/1999 | CN1221036A Method for hardening surface of roller and leveller roll and hardening equipment |
| 06/29/1999 | US5916389 Method of producing a sheet steel product such as a reinforcement element in a larger structure |
| 06/29/1999 | US5916388 Method and apparatus for the treatment of stainless steel surfaces |
| 06/29/1999 | US5916387 Method of reducing the gaping values in the web saw cut test on steel railway tracks |
| 06/29/1999 | US5916383 Method of shot peening a hardened metal product with shot having high hardness |
| 06/24/1999 | WO1999031631A1 Multi-thread re-entrant marker with transverse-anisotropy flux concentrators |
| 06/24/1999 | WO1999031284A1 Loading device for supporting parts to be thermally treated in a furnace |
| 06/24/1999 | DE19755001A1 Method for hardening a product |
| 06/24/1999 | CA2312968A1 Multi-thread re-entrant marker with transverse-anisotropy flux concentrators |
| 06/23/1999 | EP0924440A2 Forged connecting rod of carbon steel for piston engines with breaking separated bearing sap |
| 06/23/1999 | CN1220706A Polishing-finished stainless steel sheet having excellent stain removability, and production method thereof |
| 06/23/1999 | CN1220180A Heat treatment nitrogen base atmosphere selection deoxidizing catalyst |
| 06/22/1999 | US5914885 Thermal treatment apparatus and method |
| 06/22/1999 | US5914088 Apparatus for continuously annealing amorphous alloy cores with closed magnetic path |
| 06/17/1999 | WO1999029444A1 Process and device for producing a high-strength steel strip |
| 06/16/1999 | EP0922778A1 Modular device for the vacuum heat treatment |
| 06/16/1999 | EP0922777A1 Flat product, such as sheet, made from ductile high-yield steel and process for manufacturing the same |
| 06/16/1999 | EP0922532A1 Balanced electromagnetic peening |
| 06/16/1999 | EP0922120A1 Revolving furnace for the treatment of work pieces |
| 06/16/1999 | CN1219977A Process for producing grain-orientated magnetic steel sheet |
| 06/15/1999 | US5911841 Steel having excellent corrosion resistance |
| 06/15/1999 | US5911840 Process for manufacturing a magnetic component made of an iron-based soft magnetic alloy having a nanocrystalline structure |
| 06/10/1999 | WO1999028641A2 Bainitically hardened brake disk |
| 06/10/1999 | DE19854726A1 Method for heat treatment of steel |
| 06/09/1999 | EP0921208A2 Method and system for cooling strip material |
| 06/09/1999 | CN2322975Y Metal surface plasma arc jet beam strong malleableizing device |
| 06/09/1999 | CN1219206A Steel band heat-treating apparatus by gas jet stream |
| 06/08/1999 | US5910343 Improving the adhesitivity of surface refined parts to body |
| 06/03/1999 | WO1999027143A1 Device for electro-inductive hardening of bearing surfaces and transition radii in crankshafts |
| 06/03/1999 | WO1999027142A1 A method of hydroforming a blank |
| 06/03/1999 | CA2310846A1 Device for electro-inductive hardening of bearing surfaces and transition radii in crankshafts |
| 06/02/1999 | EP0804622B1 Method for heat treatment of stainless steel |
| 06/02/1999 | CN1218517A Laser induced improvement of surfaces |
| 06/01/1999 | US5908886 Method for recovering cooling characteristics of water-soluble quenching medium, and water-soluble quenching medium with recovered cooling characteristics |
| 06/01/1999 | US5908710 Process for manufacturing a clad sheet which includes an abrasion-resistant layer made of tool steel, and clad sheet obtained |
| 06/01/1999 | CA2149279C Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same |
| 05/27/1999 | WO1999025891A1 Tin-bearing free-machining steel |
| 05/27/1999 | WO1999025884A1 Method and unit for heat-treating fine-grained materials in a coarse-grained fluidized bed |
| 05/27/1999 | WO1999025883A1 Coil box oven |
| 05/27/1999 | WO1999025882A1 Improved process for the annealing of drawn carbon steel rolls and coils of carbon steel sheet |
| 05/27/1999 | WO1999025481A1 Slit nozzle for spraying a continuous casting product with a cooling liquid |
| 05/27/1999 | DE19752237A1 Apparatus for electroinductive hardening of crankshaft bearing surfaces and transition radii |
| 05/27/1999 | DE19751640A1 Forged connecting rod consisting of carbon steel, with fracture separated bearing cap |
| 05/27/1999 | CA2310411A1 Coil box oven |
| 05/26/1999 | EP0917593A1 Making metal powder articles by sintering, spheroidizing and warm forming |
| 05/26/1999 | EP0917500A1 Method of producing castings |
| 05/26/1999 | CN2320626Y Surface hardening equipment of roll and smoothing roll |
| 05/26/1999 | CN2320625Y Integral rotating vacuum continuous crystallization heat treatment furnace |
| 05/25/1999 | US5906691 Induction hardened microalloy steel having enhanced fatigue strength properties |
| 05/25/1999 | US5906053 Rotary cutting blade having a laser hardened cutting edge and a method for making the same with a laser |
| 05/20/1999 | WO1999024728A1 Rolling bearing and method of producing the same |
| 05/20/1999 | WO1999024197A1 Crankshaft machining + hardening + machining + finishing |
| 05/20/1999 | DE3943755C2 Isostatic pressurising equipment locking device |
| 05/20/1999 | DE19749940A1 Kurbelwelle Spanen + Härten + Finishen Crankshaft hardening Chipping + + finishing |
| 05/19/1999 | EP0916915A1 Combined convective-radiative system for heat treatment of a web |
| 05/19/1999 | EP0916741A1 Furnaces with a rapid cooling of metal strips |
| 05/19/1999 | EP0916427A1 Progressive deep-drawing machine |
| 05/19/1999 | EP0916420A2 Welded pipe |
| 05/18/1999 | US5904787 Wire for springs of steel |
| 05/18/1999 | US5904204 Apparatus for producing strip of stainless steel |
| 05/14/1999 | CA2252702A1 Convection-radiation system for heat treatment of a continuous strip |
| 05/12/1999 | EP0915186A1 Chromium-containing hot rolled steel strip and its production method |
| 05/12/1999 | CN2318230Y Heat treatment quenching device for armour plate |
| 05/12/1999 | CN1216348A Safety system for rapid-cooling ovens for metal strip |
| 05/12/1999 | CN1216323A Improvements made to rapid-cooling ovens for metal strip |
| 05/12/1999 | CA2253323A1 Seam free welded pipe |
| 05/11/1999 | US5902543 Process and device for cooling an article |
| 05/11/1999 | US5902423 Heat treatment of grinding rod |
| 05/11/1999 | US5902420 Process and device for increasing the degree of absorption during superficial solid phase hardening of workpieces by laser radiation |
| 05/11/1999 | CA2150971C Process and apparatus for producing heat treatment atmospheres |
| 05/06/1999 | WO1999022038A2 Induction hardening apparatus for a crankshaft |
| 05/06/1999 | WO1999022033A1 Process of surface hardening and device for its realization |
| 05/06/1999 | WO1999005335A8 Ultra-high strength, weldable steels with excellent ultra-low temperature toughness |
| 05/06/1999 | EP0913658A1 Safety system for furnaces for the rapid cooling of metallic strips |
| 05/06/1999 | EP0912769A1 Induction hardened microalloy steel having enhanced fatigue strength properties |
| 05/05/1999 | CN1043254C High-strength steel sheet adapted for deep drawing and process for producing same |
| 05/04/1999 | US5900082 Method of making a heat treated steel casting and a heat treated steel casting |
| 05/04/1999 | US5900081 Computerized method for forging, quenching and tempering metal |
| 05/04/1999 | US5899516 Railway wheel and manufacturing method of the railway wheel |
| 04/28/1999 | EP0911418A1 Steel band heat-treating apparatus by gas jet stream |
| 04/28/1999 | EP0910677A1 Method and device for temper-hardening flat metal products |
| 04/28/1999 | EP0910676A1 Process for producing a grain-orientated electrical steel sheet |
| 04/27/1999 | US5898020 Structures having enhanced biaxial texture and method of fabricating same |
| 04/22/1999 | DE19808763C1 Apparatus for hardening cylindrical bearing surfaces of shaft |
| 04/21/1999 | EP0614992B1 Metal band cooling apparatus and cooling method therefor |