| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 06/17/1992 | CN1062003A Heat treatment of medium carbon steel cutter |
| 06/17/1992 | CN1017065B Liquid core furnace charging process of killed steel ingots |
| 06/16/1992 | US5122199 Copper brazed torque converter pump housing made from formable high strength microalloyed steel |
| 06/16/1992 | US5122198 Subjecting to final annealing of short duration at specific temperature |
| 06/16/1992 | US5122000 Rolling bearing |
| 06/16/1992 | US5121902 Apparatus for cooling hot rolled steel rod using a plurality of air and water cooled sections |
| 06/16/1992 | CA1303468C Method for heat-treating steel rail head |
| 06/11/1992 | WO1992009707A1 Process for wire patenting |
| 06/10/1992 | EP0489159A1 Method of producing ultrafine high-strength, high-ductility steel wire |
| 06/10/1992 | CN2106835U Heat circulating treatment device for marmem element |
| 06/10/1992 | CN1016969B Automatical device for rapid heat chemical processing |
| 06/03/1992 | EP0488726A2 Thin decarburized grain oriented silicon steel sheet having improved coating and magnetic characteristics |
| 06/03/1992 | EP0488155A2 Roll charged with heat transfer medium |
| 06/03/1992 | CN1061550A Process for improving the plasticity of cold deformation of low-carbon thread reinforcing steel |
| 06/02/1992 | US5118366 In continuous heat treating furnace; using floater nozzles |
| 06/02/1992 | US5117545 Plant to roll flat products |
| 05/29/1992 | WO1992008818A1 Improved beta-quenching process for nuclear fuel cladding |
| 05/27/1992 | EP0487274A2 Strip elongation control in continuous annealing furnaces |
| 05/27/1992 | DE4038186C1 Steel strip prodn. without over ageing - comprises hot and cold rolling, and continuously annealing slab, then passing through three cooling phases |
| 05/27/1992 | CN2105497U Two-layer combustion energy-saving anneal furnace |
| 05/26/1992 | US5116026 Modular annealing apparatus for in situ reactor vessel annealing and related method of assembly |
| 05/26/1992 | CA1301611C Method and apparatus for forming stabilizer bars having novel end constructions |
| 05/26/1992 | CA1301603C Method of annealing an aperture shadow mask for a color cathode ray tube |
| 05/20/1992 | EP0486008A1 Manufacturing thin wall steel cartridge cases |
| 05/20/1992 | EP0486007A1 Process for creating high strength tubing with isotropic mechanical properties |
| 05/20/1992 | EP0485641A1 Razor blade steel having high corrosion resistance, razor blades and a process for manufacturing razor blades |
| 05/19/1992 | US5114499 Method of forming chilled layer |
| 05/14/1992 | WO1992008180A1 A control system for scheduling parts in a heat-treating process |
| 05/14/1992 | WO1992007966A1 High-strength steel parts and method of making |
| 05/14/1992 | DE4036043A1 Reducing scale formation during cooling of rolled steel - comprises passing through pressurised water cooling unit to prevent air contact |
| 05/14/1992 | CA2055351A1 Process for creating high strength tubing with isotropic mechanical properties |
| 05/14/1992 | CA2055239A1 Manufacturing thin wall steel cartridge cases |
| 05/13/1992 | EP0485314A1 Apparatus for low temperature plasma surface treatment of a metal plate or sheet |
| 05/13/1992 | EP0484667A1 Multi-purpose furnace for the thermal treatment of metallic workpieces |
| 05/12/1992 | US5112411 Process of making mining/construction tool bit body fabricated from MN/B steel alloy composition |
| 05/07/1992 | DE4035589A1 Laser hardening esp. of metal pincers - followed by quench hardening to obtain high core toughness |
| 05/07/1992 | DE4034734A1 Heat treatment of welded pipe seams - with utilisation of the heat produced by the welding process |
| 05/07/1992 | DE4034653A1 Pusher-type furnace - divides row of containers into separate blocks at end of each push cycle for insertion of treatment zone dividing doors |
| 05/06/1992 | EP0483182A1 Process for hardening the cutting edges of saws, knives and cutting tools. |
| 05/06/1992 | EP0383786B1 Device for producing a water curtain |
| 05/06/1992 | EP0172250B1 Apparatus for dip-hardening metal pipe |
| 05/06/1992 | CN1060873A Laser heat treatment technology of elevator sine wheel |
| 05/05/1992 | US5110375 Baton method of heat treating expandable |
| 04/30/1992 | WO1992007100A1 Process and device for affecting measurement and shape changes in the hardening of workpieces |
| 04/29/1992 | EP0482730A1 Apparatus for cooling a traveling strip |
| 04/28/1992 | USRE33901 Breakable composite drill screw |
| 04/28/1992 | US5108522 Method of making non-oriented electrical steel sheets having excellent magnetic properties under low magnetic field |
| 04/28/1992 | US5108518 Method of producing thin high carbon steel sheet which exhibits resistance to hydrogen embrittlement after heat treatment |
| 04/28/1992 | CA1299469C Method of reducing iron loss of grain oriented silicon steel sheet |
| 04/23/1992 | DE4120689C1 Electron-beam hardening cutting area of flat tool - by overlap mounting blades, while leaving area to be hardened uncovered etc. |
| 04/22/1992 | EP0481378A1 Process for producing high strength steel belt |
| 04/22/1992 | EP0481377A2 Process for producing high-strength stainless steel strip |
| 04/22/1992 | EP0481167A1 Vertical shaft furnace for heat treating metallic work pieces |
| 04/22/1992 | EP0480924A1 Process for case-hardening roller bearing components of low-alloy nickel steel |
| 04/22/1992 | CN1060503A Hard austenitic stainless steel screw and method for manufacturing same |
| 04/22/1992 | CN1060502A Method for producing high-alloy wear-resisting steel rollers |
| 04/21/1992 | US5106431 Process for creating high strength tubing with isotropic mechanical properties |
| 04/21/1992 | US5106010 Welding high-strength nickel base superalloys |
| 04/16/1992 | WO1992005911A1 Process and device for manufacturing a texturing roller |
| 04/16/1992 | WO1992005910A1 Process and device for manufacturing a texturing roller |
| 04/16/1992 | WO1992005909A1 Process and device for manufacturing a texturing roller |
| 04/16/1992 | WO1992005891A1 Surface structure of a roller and process and device for producing it |
| 04/16/1992 | WO1992005890A1 Surface structure of a roller and process and device for producing it |
| 04/16/1992 | DE4133799A1 Verfahren und vorrichtung zum beeinflussen von mass- und formaenderungen beim haerten von werkstuecken Method and device for influence of tailor-border and formative ments in the hardening of workpieces |
| 04/15/1992 | EP0480725A2 Rotary carburizing furnace, method for purging carbon-enriched gas from the vicinity of a liquid seal in such a furnace, and apparatus for recirculating cleansed and cooled oil through an oil seal |
| 04/15/1992 | EP0480122A2 Process for manufacturing galvanized steel sheet by nickel pre-coating method |
| 04/15/1992 | CN1016253B Induction heating method and apparatus |
| 04/14/1992 | US5104462 Scanning induction hardening process by using radially moving induction coil |
| 04/14/1992 | US5104314 Refractory hearth furnace floor arrangement for retaining an alloy chain and pusher assembly |
| 04/11/1992 | CA2053078A1 Rotary furnace oil seal employing endothermic gas purge |
| 04/09/1992 | WO1992005897A1 Gear wheels rolled from powder metal blanks |
| 04/09/1992 | DE4035156A1 Laboratory testing assembly for heat treatment - has vessels with different quenching media below two horizontal guide for a moving furnace |
| 04/09/1992 | DE4031547A1 Verfahren und vorrichtung zur herstellung von texturwalzen Method and apparatus for manufacturing texture rollers |
| 04/09/1992 | DE4031546A1 Verfahren und vorrichtung zur herstellung einer texturwalze Method and device for manufacturing a texture roller |
| 04/09/1992 | DE4031545A1 Verfahren und vorrichtung zur herstellung einer texturwalze Method and device for manufacturing a texture roller |
| 04/08/1992 | EP0479409A2 Austenitic stainless steel screw and a method for manufacturing the same |
| 04/08/1992 | EP0479378A1 Fluidized bed furnace with internal gas combustion |
| 04/08/1992 | EP0478860A1 Device for turning iron and steel products of square or rectangular cross-section through 90o |
| 04/08/1992 | EP0478771A1 Method for producing steel wires for the manufacture of flexible ducts, steel wires thereby obtained and flexible ducts reinforced therewith. |
| 04/07/1992 | US5101652 Insulating heat retention system and method |
| 04/07/1992 | CA1298624C Electric induction heat treating furnace |
| 04/02/1992 | WO1992005289A1 Flexible modular heat treatment device |
| 04/02/1992 | DE4102984A1 Oberflaechenstruktur einer walze sowie verfahren und vorrichtung zur erzeugung der oberflaechenstruktur Superficies of a roller and method and apparatus for the production of superficies |
| 04/02/1992 | DE4102983A1 Oberflaechenstruktur einer walze sowie verfahren und vorrichtung zur erzeugung der oberflaechenstruktur Superficies of a roller and method and apparatus for the production of superficies |
| 04/01/1992 | EP0478374A2 Welding high-strength nickel base superalloys |
| 04/01/1992 | CN1016075B Quenching method and device for steel wire with copper-cooling instead of lead bath |
| 03/31/1992 | US5100482 Heat treatment, martensite microstructure |
| 03/31/1992 | US5100112 Vertical-shaft furnace for the heat-treatment of metallic workpieces |
| 03/26/1992 | DE4029724A1 Induction heating eccentric shaped workpieces - using inducer control device to regulate spacing between workpiece surface and inducer |
| 03/25/1992 | EP0477117A1 Modular flexible thermic treatment device |
| 03/25/1992 | EP0475962A1 Method and apparatus for making card clothing. |
| 03/24/1992 | US5098491 Fish scale resistance, adhesion and resistance to blistering |
| 03/20/1992 | CA2051798A1 Device for surface treating a metal material plate by low temperature plasma |
| 03/18/1992 | CN1059567A Bainite steel shearing-blade and its heat-treatment process |
| 03/17/1992 | US5096511 Method and a device for thermal surface-hardening of metal workpieces |
| 03/17/1992 | US5096510 Thermal flattening semi-processed electrical steel |
| 03/17/1992 | CA1297320C High strength high toughness steel |
| 03/12/1992 | DE4028542A1 Intermediate heating unit for hot rolled metal strip - comprises idler roll set between two rolling stages pushing strip into loop inside induction heater housing |
| 03/10/1992 | US5094920 Television picture tube inner shielding material having a blackened layer of superior adhesion and method of manufacturing the same |
| 03/10/1992 | US5094698 Warm forming |