| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 12/20/1995 | EP0687739A1 Method of making surface-hardened metal shot |
| 12/20/1995 | CN2215494Y Metal tube (bar) anneal equipment |
| 12/19/1995 | CA1337751C Method and apparatus for forming bainite |
| 12/14/1995 | WO1995033954A2 Holder for workpieces with a non-ideal rigidity |
| 12/14/1995 | WO1995033861A1 Sealing device for inlet or outlet of atmosphere equipment |
| 12/14/1995 | WO1995033860A1 Sealing device for outlet/inlet of controlled atmosphere heat treatment furnace |
| 12/14/1995 | WO1995033521A1 Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or the like for metallic strip |
| 12/14/1995 | DE4420092A1 Engine camshaft with induction hardened cams |
| 12/13/1995 | EP0686846A2 Quench system cooling effectiveness meter and method of operating same |
| 12/13/1995 | EP0686702A1 Process and installation for producing hot wide strip |
| 12/13/1995 | EP0686701A1 Process and apparatus for producing heat treatment atmospheres |
| 12/12/1995 | US5473960 Steering rack shaft and method of manufacturing the same |
| 12/07/1995 | DE4429975C1 Treating heat-affected zone of welded steel |
| 12/07/1995 | DE4419356A1 Haltevorrichtung für ein nicht ideal starres Werkstück Holding device for a non-ideal rigid workpiece |
| 12/06/1995 | EP0685696A1 Sealing device for doorways of partitions of continuous annealing furnace, continuous coating equipment, and the like |
| 12/06/1995 | EP0685568A1 Method for thermomechanical processing of ingot metallurgy near gamma titanium aluminides to refine grain size and optimize mechanical properties |
| 12/06/1995 | EP0543010B1 Process for producing annular part |
| 12/06/1995 | CN1112962A Steel plate for electric use and iron core of motor transformer |
| 12/06/1995 | CN1112961A In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas |
| 12/05/1995 | USRE35106 Drawing metal material to form rail intermediate product with guide groove portion in each side surface, hardening, grinding side surfaces using profiled grinder including tapered relief trench at bottom |
| 12/05/1995 | US5473138 Method for increasing the surface area of ceramics, metals and composites |
| 11/30/1995 | DE4418162A1 Appts. for performing processes of electron beam technology in vacuum |
| 11/30/1995 | DE4418161A1 Appts. for performing processes of electron beam technology in vacuum |
| 11/30/1995 | DE4409746A1 Local material property modification, esp. laser alloying |
| 11/29/1995 | EP0684318A1 Method and apparatus for quenching workpieces using an aqueous polymer solution |
| 11/29/1995 | CN1112607A A vertical bright annealing furnace for continuous heat treatment of metal strips |
| 11/29/1995 | CN1030399C Heat treatment technology for steel spring band |
| 11/28/1995 | US5470646 Magnetic core and method of manufacturing core |
| 11/28/1995 | US5470529 High tensile strength steel sheet having improved formability |
| 11/22/1995 | EP0682851A1 Apparatus for and method of induction-hardening machine components |
| 11/22/1995 | CN1030334C Apparatus for heating blank of spring |
| 11/21/1995 | US5468308 Surface treated cast iron bearing element |
| 11/07/1995 | US5464510 Method for removal of certain oxide films from metal surfaces |
| 11/02/1995 | WO1995029268A1 High-strength steel sheet adapted for deep drawing and process for producing the same |
| 11/02/1995 | WO1995029266A1 Method for mitigating residual stresses in welded metal components using high torch travel speeds |
| 11/02/1995 | WO1995029036A1 Method and apparatus for joining metal components |
| 11/02/1995 | EP0679727A2 Method for producing a copper-nickel-silicon alloy and use of the same |
| 11/02/1995 | EP0679725A1 Carburized hardening process and carburized hardened power transmission members |
| 11/02/1995 | EP0679451A1 Apparatus and method for the manufacture of DR steel strip |
| 11/02/1995 | EP0632842B1 Heat treatment process for metal articles |
| 10/30/1995 | CA2144003A1 Method of manufacturing a copper-nickel-silicon alloy and use of the alloy |
| 10/26/1995 | WO1995028239A1 Bright-annealed highly smooth inner surface stainless steel pipe and method of manufacturing the same |
| 10/26/1995 | DE4412940A1 Liq. quenching medium intensity modification |
| 10/25/1995 | EP0678878A1 Non-oriented electromagnetic steel sheet with low iron loss after stress relief annealing, and core of motor or transformer |
| 10/25/1995 | EP0678588A1 Aluminized steel alloys containing chromium and method for producing the same |
| 10/25/1995 | CN2210901Y Water-oil sealing device for carburization glowing furnace |
| 10/25/1995 | CN1110783A Hot-treatment heating equipment with both vacuum and air layers for heat insulation |
| 10/19/1995 | DE4436232C1 Method and appts. for testing shaped inductors |
| 10/17/1995 | US5459297 Method and apparatus for manufacturing a texture drum |
| 10/17/1995 | US5458703 Tool steel production method |
| 10/11/1995 | CN2209679Y Slow-cooling energy-saving apparatus |
| 10/11/1995 | CN1109953A Flexible drive shaft and method of production thereof |
| 10/10/1995 | US5456773 Heating in several preheating zones having temperature 800-850 degree centigrate in free-oxygen atmosphere, then high temperature zone in reduced atmosphere and run through this zone quickly, insignificant oxidation/ scaling, no warpping |
| 10/10/1995 | US5456766 Exposing steel to atmosphere containing carbon monoxide, hydrogen, ammonia in specified amounts for specified time at specified temperature |
| 10/04/1995 | EP0675208A1 A vertical bright annealing furnace for continuous heat treatment of metal strips |
| 10/04/1995 | EP0674720A1 Cold formed high-strength steel parts |
| 10/03/1995 | US5454888 Warm forming high-strength steel structural members |
| 10/03/1995 | US5454887 Process for manufacturing a medium-carbon steel plate with improved formability and weldability |
| 10/03/1995 | US5454883 High toughness low yield ratio, high fatigue strength steel plate and process of producing same |
| 10/03/1995 | US5454347 Laser-beam annealing apparatus |
| 09/28/1995 | WO1995025820A1 Process for producing magnetic steel sheets with a glass coating |
| 09/28/1995 | DE4409691A1 Verfahren zur Herstellung von Elektroblechen mit einem Glasüberzug A process for producing electric sheets with a glass coating |
| 09/27/1995 | EP0673443A1 Method of annealing steel strip in an annealing furnace without the formation of soot. |
| 09/27/1995 | EP0617879B1 Induction furnace |
| 09/27/1995 | EP0554257B1 High-strength steel parts and method of making |
| 09/26/1995 | US5453294 Method of controlling crystal orientation of PZT and PLZT thin films on platinum substrates |
| 09/26/1995 | US5453139 Carbon manganese steel with metals, cold forming, forging or extrusion for shafts, shanks, rolls and castings |
| 09/26/1995 | US5453109 Reacting potassium carbonate and urea to form potassium cyanate and converting with formaldehyde the ammonia into hexamethylenetetramine |
| 09/26/1995 | US5452882 Apparatus for quenching metallic ring-shaped workpieces |
| 09/26/1995 | US5452627 Making a composite profiled wire |
| 09/21/1995 | WO1995025420A1 Apparatus for treating metal surfaces with a magnetically impelled arc |
| 09/21/1995 | WO1995025182A1 Process and device for influencing the changes in size and shape of workpieces during hardening |
| 09/21/1995 | DE4408924A1 Verfahren und Vorrichtung zum Beeinflussen von Maß- und Formänderungen beim Härten von Werkstücken Method and apparatus for influencing dimensions and shape changes during hardening of workpieces |
| 09/21/1995 | CA2184281A1 Apparatus for treating metal surfaces with a magnetically impelled arc |
| 09/20/1995 | EP0672194A1 Method and apparatus for controlling heat transfer between a container and workpieces |
| 09/20/1995 | EP0671982A1 Zone heating apparatus |
| 09/20/1995 | CN2208048Y Arc fast quenching apparatus with air protection |
| 09/20/1995 | CN1108699A Heat treatment for steel spring-strip |
| 09/19/1995 | US5451275 Apparatus and method for precision gear finishing by controlled deformation |
| 09/14/1995 | WO1995024509A1 Method for heat treatment of steel, and products of steel |
| 09/13/1995 | EP0671476A1 Heat treatment plant |
| 09/13/1995 | CN1029745C Extractant for water soluble polymer |
| 09/12/1995 | US5449422 Annealing aluminum strips wound into a coil |
| 09/12/1995 | US5449420 High strength steel member with a low yield ratio |
| 09/12/1995 | CA2085635C Thin wall pipe for abrasive materials flowing under high pressure and method of fabricating the pipe |
| 09/07/1995 | DE4427963C1 Method for producing mosaic containers and other castings, and insulating hood for implementation of the method |
| 09/07/1995 | DE4415098C1 Reaping the advantages of polymer solution quenching for alloy- and case-hardened steels |
| 09/07/1995 | DE4407095A1 Brief plasma-dynamic treatment appts. |
| 09/06/1995 | EP0670375A1 Method of hardening of metal valves, in particular intake valves for internal combustion engines |
| 09/06/1995 | EP0578696B1 Process for remelting metal surfaces by laser |
| 09/06/1995 | CN2206790Y Dabble cooling device for cover type annealing furnace |
| 09/06/1995 | CN1108031A Sheet steel excellent in flanging capability and process for producing the same |
| 09/06/1995 | CN1107759A Apparatus for cold rolling belt |
| 09/05/1995 | US5447800 Gas atomizing, isostatic compaction, annealing and hardening then cooling |
| 09/05/1995 | US5447754 Preannealing, hot dipping |
| 09/05/1995 | US5447583 Extrusion quenching apparatus and related method |
| 09/05/1995 | US5447581 Hot rolling, underwater ocean use |
| 09/05/1995 | US5447580 Rapidly heating billets to higher than transus temperature and cooling |
| 09/05/1995 | US5447293 Method and apparatus for quenching heat treated objects |
| 09/05/1995 | US5447035 Method of treating brake pads |