| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 10/01/2002 | US6458217 Superadiabatic combustion generation of reducing atmosphere for metal heat treatment |
| 10/01/2002 | US6457342 Forging device and method therefor |
| 09/26/2002 | WO2002075013A1 Steel material and method for preparation thereof |
| 09/26/2002 | WO2002074709A1 Heat transfer fluids useable for cooling items, such as optical fibers |
| 09/26/2002 | US20020135089 Method for manufacturing a pressed part from a soft magnetic composite material |
| 09/26/2002 | US20020134530 Heat transfer fluids and methods of making and using same |
| 09/26/2002 | US20020134475 Eco-friendly starch quenchants |
| 09/26/2002 | US20020134472 Method for heat-treating profiled rolling stock |
| 09/26/2002 | US20020134469 Process for manufacturing a strip made of an Fe-Ni alloy |
| 09/26/2002 | US20020134467 For steel member; analyzing thermoconductivity under pressurized carbon monoxide |
| 09/26/2002 | DE10207298A1 Roller bearing part used in a power transmission part is shaped from steel containing carbon, silicon and manganese |
| 09/26/2002 | DE10113774A1 Process for removing protective or reaction gas from a heat treatment device used for treating metallic materials comprises suctioning off the gas via a suction opening with the aid of a blower |
| 09/26/2002 | DE10113773A1 Process for heat treating, especially carburizing or hardening metallic materials energetically utilizes the gases produced during the heat treatment process |
| 09/26/2002 | DE10112295A1 Herstellung eines Zylindergehäuses eines Doppelschneckenextruders Producing a cylinder housing of a twin-screw extruder |
| 09/25/2002 | EP1243815A2 High strength gear and method of producing the same |
| 09/25/2002 | EP1243664A1 Bar or wire product for use in cold forging and method for producing the same |
| 09/25/2002 | EP1242780A1 Pusher furnace rails with plate-shaped sliding supports and sliding shoes |
| 09/25/2002 | EP1108072B1 Method and installation for producing dual-phase steel |
| 09/24/2002 | US6454990 Mechanism for supporting a workpiece during a heat treatment process |
| 09/24/2002 | US6454880 Material for die casting tooling components, method for making same, and tooling components made from the material and process |
| 09/19/2002 | WO2002072293A1 Method and equipment for cooling profiles after extrusion |
| 09/19/2002 | WO2002059389A3 Steel and method for producing an intermediate product |
| 09/19/2002 | WO2002022910A3 Surface on a stainless steel |
| 09/19/2002 | WO2002022908A3 Process of treating stainless steel |
| 09/19/2002 | US20020129622 Heat transfer fluids and methods of making and using same |
| 09/18/2002 | EP1241273A2 Process and device for jet cooling |
| 09/18/2002 | EP0707087B1 High-strength steel sheet adapted for deep drawing and process for producing the same |
| 09/18/2002 | CN1370244A Contour forming of metals by laser peening |
| 09/17/2002 | US6451137 Surface hardness; high pressure air flow |
| 09/17/2002 | US6451128 Hot rolling annealing; cold rolling decarbonization; controlling concentration |
| 09/17/2002 | CA2232024C Improved heat treatment of grinding rod |
| 09/12/2002 | WO2002070754A2 Production of a cylindrical housing for a double screw extruder |
| 09/12/2002 | US20020126925 Rolling bearing unit with rotation speed detection instrument for use in cars and method for working outer race for use in this bearing unit |
| 09/12/2002 | US20020124916 Method and apparatus for reducing wrinkles on a strip in a rapid cooling zone of a heat treatment line |
| 09/12/2002 | DE10109694A1 Industrial gas or oil-fired burner for metal, glass or ceramics presents flame through widening conical inlet |
| 09/11/2002 | EP1078106B1 Fluidized-bed treatment process and apparatus |
| 09/11/2002 | CN1368560A Phase transformation control nitride evolved hardened quenched and tempered steel |
| 09/11/2002 | CN1368559A Quenching apparatus of rod parts |
| 09/10/2002 | CA2226350C Cold-forming steel |
| 09/10/2002 | CA2193349C Method of increasing the yield strength of cold formed steel sections |
| 09/05/2002 | US20020121320 Method for quenching metallic workpieces |
| 09/04/2002 | EP1163063A4 Hardened steel security materials |
| 09/04/2002 | EP1068366B1 Steel material and method for its manufacturing |
| 09/04/2002 | EP1032716B1 Coil box oven |
| 09/04/2002 | EP0682851B1 Apparatus for and method of induction-hardening machine components |
| 09/04/2002 | CN1367848A Method of making weathering grade plate and product therefrom |
| 09/04/2002 | CN1367847A Non-austempered spheroidal graphite cast iron |
| 09/04/2002 | CN1367268A Method for preparing iron-nickel alloy strip |
| 09/04/2002 | CN1090066C Heat treatment of metal castings and in furnace sand reclamation equipment and technology |
| 09/04/2002 | CN1090065C Machine frame for roller forming and forming method |
| 09/03/2002 | US6443870 Toroidal-type continuously variable transmission |
| 09/03/2002 | US6443624 Machine tool antifriction bearings; low heat generating, durable assembly; case hardened stainless steel; low osculation ratios between balls and raceways; can withstand applied radial loads and centrifugal forces |
| 09/03/2002 | US6443214 Method for heat treating mold cast product |
| 09/03/2002 | CA2087850C Process and device for the reduction annealing of powdered iron |
| 08/29/2002 | WO2002066687A1 Gas-cooled single chamber heat treating furnace, and method for gas cooling in the furnace |
| 08/29/2002 | WO2002036985A3 Induction hardening coil for a crankshaft |
| 08/29/2002 | US20020119858 Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a method for producing the rolling element |
| 08/29/2002 | US20020117538 Process for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 08/29/2002 | DE10107566A1 Verfahren und Vorrichtung zum Kühlen sich überlappender Drahtwindungen auf einem Transportband durch Anblasen mit Kühlluft Method and apparatus for cooling of overlapping wire coils on a conveyor belt by blowing with cooling air |
| 08/29/2002 | DE10106172A1 Verfahren zur Herstellung eines Formteils aus einem weichmagnetischen Verbundwerkstoff A process for producing a molding from a soft-magnetic composite material |
| 08/28/2002 | EP1234891A1 Process for increasing the static and dynamic resistance of a metal workpiece |
| 08/28/2002 | EP0760397B1 Equipment for manufacturing stainless steel strip |
| 08/28/2002 | CN1366786A Induction heat treatment of complex-shaped workpieces |
| 08/28/2002 | CN1366555A Method for manufacturing high strength bolt excellent in resistance to delayed fracture and relaxation |
| 08/28/2002 | CN1366083A Method and equipment used for high pressure gas quenching in normal pressure furnace |
| 08/27/2002 | US6439883 Threading and scale removal device |
| 08/27/2002 | US6438836 Method for producing a cam that can be placed on a hollow shaft to form a camshaft |
| 08/22/2002 | WO2002064851A2 Metallic diffusion process and improved article produced thereby |
| 08/22/2002 | US20020113345 Apparatus for heat-treating a V-type cylinder block by induction heating |
| 08/22/2002 | US20020113041 Method for partly reinforcing a workpiece |
| 08/22/2002 | US20020112795 Heat treated stainless hydraulic components and method for making same |
| 08/22/2002 | US20020112787 High-strength race and method of producing the same |
| 08/22/2002 | US20020112786 High-hardness prehardened steel for cold working with excellent machinability, die made of the same for cold working, and method of working the same |
| 08/22/2002 | DE10118244C1 Modulare Vorrichtung für die Abschreckhärtung von Werkstücken Modular device for the quenching of workpieces |
| 08/22/2002 | DE10108057A1 Verfahren zum Abschrecken von metallischen Werkstücken A method for quenching metallic workpieces |
| 08/22/2002 | DE10103290A1 Stahl und Verfahren zur Herstellung eines Zwischenproduktes Steel and process for the preparation of an intermediate |
| 08/22/2002 | CA2433876A1 Metallic diffusion process and improved article produced thereby |
| 08/21/2002 | EP1233207A1 Pushing block for CVT belt and manufacturing method therefor |
| 08/21/2002 | EP1233078A2 Process for quenching metal workpieces |
| 08/21/2002 | EP1232349A1 Pistons for internal combustion engines |
| 08/21/2002 | CN2506654Y Continuous quick quenching and tempering device for steel bar |
| 08/21/2002 | CN1089372C Natural gas controllable heat treatment technology |
| 08/20/2002 | US6437292 Rapid infrared heating of a surface |
| 08/20/2002 | US6436474 Method of chemically coating fasteners having improved penetration and withdrawal resistance |
| 08/20/2002 | US6436202 Heat/soak treatment in low oxidizing atmosphere to deplete surface of nickel and iron and enrich with chromium and manganese; reduced rate of catalytic coking |
| 08/20/2002 | US6434949 Method and treatment device for the cooling of highly heated metal components |
| 08/15/2002 | WO2002063058A1 Thin steel sheet and method for production thereof |
| 08/15/2002 | WO2002063051A2 Integrated metal processing facility |
| 08/15/2002 | WO2002063050A1 Method for producing a chain |
| 08/15/2002 | WO2002050315A3 Process for the production of grain oriented electrical steel strips |
| 08/15/2002 | US20020110770 Cooling system for reducing particles pollution |
| 08/15/2002 | US20020109274 Heat treatment of metal castings and in-furnace sand reclamation |
| 08/15/2002 | US20020108683 Tempering the only the shank-body of die blocks by induction or infrared heating to a controlled depth; directing the heat only to body-shank and ending only after its been drawn; noncracking; durability |
| 08/15/2002 | US20020108681 Heat treatment comprising the steps of normalizing the heat resistant steel, and oil-cooling the normalized heat-resisting steel to a temperature of <300 degrees C.; high heat resistance and mechanical strength; steam turbine rotors |
| 08/14/2002 | EP1231003A2 Process for preparing an article of soft magnetic composite material |
| 08/14/2002 | CN1364394A 高效感应熔化系统 Efficient induction melting systems |
| 08/14/2002 | CN1363695A Deep-cold treating technology of steel workpiece |
| 08/14/2002 | CN1363694A Heat treating technology of 30CrMnSi steel for higher toughness and antiwear nature |
| 08/14/2002 | CN1363693A Technology and apparatus for thermally treating long rod |
| 08/14/2002 | CN1089116C Carbide annealing process for high-speed great-deformation hot-rolled and cold-upset steel |