| Patents for C21D 9 - Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor (30,082) |
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| 06/07/2001 | WO2001040525A2 Cold formed flat-rolled steel structural members |
| 06/07/2001 | WO2001040034A1 Wiper blade, especially flat bar wiper blade for vehicles |
| 06/07/2001 | WO2001039971A1 Method for the production of a heat resistant alloy with good high temperature oxidation resistance |
| 06/07/2001 | WO2001026845A3 Method and apparatus for improved solution heat treatment of metal castings |
| 06/07/2001 | DE19958386A1 Scheibenwischer, insbesondere Flachbalkenscheibenwischer für Fahrzeuge Wipers, particularly flat bar wipers for vehicles |
| 06/07/2001 | CA2392754A1 Method for the production of a heat resistant alloy with good resistance to high-temerature oxidation |
| 06/07/2001 | CA2388021A1 Martensitic stainless steel and steelmaking process |
| 06/06/2001 | CN2433149Y Multifunction medium-frequency wheel set heating furnace |
| 06/06/2001 | CN1066904C Induction hardening machine for quenching to gear surface |
| 06/06/2001 | CN1066779C Process for producing Fe-Ni alloy sheet and Fe-Ni alloy shadow mask |
| 06/06/2001 | CN1066777C Continuously annealed soft temper black steelplate for drawn and deep-draw container and its producing process |
| 06/05/2001 | US6241832 Method for creep-sizing annular-shaped structures and device therefor |
| 06/05/2001 | US6241515 Device and method for treating combustibles obtained from a thermal processing apparatus and apparatus employed thereby |
| 06/05/2001 | CA1341247C Control method of cooling steel |
| 06/02/2001 | CA2327201A1 Bucket tooth and method of manufacturing the same |
| 05/31/2001 | WO2001038594A1 Fe-Ni BASED ALLOY FOR SEMI-TENSION MASK EXCELLENT IN MAGNETIC CHARACTERISTICS, AND SEMI-TENSION MASK AND COLOR CATHODE-RAY TUBE USING THE SAME |
| 05/31/2001 | WO2000071759A3 Methods of forming steel |
| 05/31/2001 | US20010002410 Comprising a hydrolyzable silane or titanium or zirconium compound to delay deterioration due to moisture; optical fibers; improved adhesion of polymer matrix coating; protective coatings; bottles; windows; light bulbs |
| 05/31/2001 | DE19957646A1 Alloy production comprises coating base material made of austenitic nickel-based alloy or cobalt-based alloy or special steel on one or both sides with layer of aluminum or aluminum alloy |
| 05/31/2001 | DE10056847A1 Hot rolling process uses a coiler tension rolling mill having a coiling machine installed on either the inlet or the outlet side of a rolling mill and a heater provided between the rolling mill and the coiling machine |
| 05/30/2001 | EP1102868A2 Convertible apparatus for heat treating materials |
| 05/30/2001 | EP1029113B1 Method for covering electric steel strips with an annealing separator |
| 05/30/2001 | EP0689717B1 Method of manufacturing a shadow mask of the nickel-iron type |
| 05/30/2001 | CN2432221Y Combustion-supporting air preheater for cover annealing furnace |
| 05/30/2001 | CN1066491C PC concrete iron and method for producing same |
| 05/30/2001 | CN1066489C Method of increasing yield strength of cold formed steel sections |
| 05/29/2001 | US6238210 Furnaces for reheating siderurgical products |
| 05/29/2001 | US6238209 Hearth rolls for heating furnace and soaking furnace of vertical heat treating furnace and vertical heat treating furnace including hearth rolls |
| 05/29/2001 | CA2225752C Method and plant for the manufacture of a strip of formable steel |
| 05/25/2001 | WO2001036699A1 Method for fabricating vehicle components and new use of a precipitation hardenable martensitic stainless steel |
| 05/24/2001 | US20010001341 Process for the production of material of metals and alloys having microstructure or fine nonmetallic inclusions and having less segregation of alloying elements |
| 05/23/2001 | EP1101828A1 High-strength bainitic steel rails with excellent rolling-contact fatigue resistance |
| 05/23/2001 | EP1101826A1 Quenching process after low pressure carburising |
| 05/23/2001 | EP1009580B1 Method and device for treating the surfaces of component bores |
| 05/23/2001 | EP0942792B1 Device for cooling extruded profiles |
| 05/23/2001 | EP0811081B1 Method for producing a steel sheet or strip for making a can, and resulting steel sheet or strip |
| 05/23/2001 | DE19955670A1 Crankshaft or camshaft surfaces are induction hardened using adjacent inductors operated at different frequencies |
| 05/23/2001 | DE19943354C1 Heat treating homogenized cooled cast light metal slugs or rod, comprises reheating, and subjecting to passive temperature compensation to lead to specified temperature uniformity |
| 05/23/2001 | CN1295893A Hot rolling method and Steger hot rolling machine |
| 05/22/2001 | US6235237 Chromium steel alloy having high glidability and wear resistance, overall stability and corrosion resistance, good damping properties |
| 05/22/2001 | US6235131 System for heat treating coiled springs |
| 05/17/2001 | WO2001034853A1 A process for the continuous direct resistance heating of metallic semifinished products |
| 05/17/2001 | WO2001034851A1 Method for improving the mechanical properties, especially the hardness, of journal crosses for use in articulated shafts |
| 05/16/2001 | EP1099768A1 Process for the production of as-cast bainitic cast iron with spheroidal graphite |
| 05/16/2001 | EP0820530B1 Screwdriver or screwdriver bit |
| 05/16/2001 | CN1295626A Stainless steel |
| 05/16/2001 | CN1295505A Method for rolling metal strip |
| 05/16/2001 | CN1295139A Titaniferous ultra high strength metastable austenitic stainless steel and its manufacture |
| 05/16/2001 | CN1294947A Apparatus and method for inhibiting growth of oxidation film on coiled stock |
| 05/16/2001 | CN1065783C Continuous steel plate manufacturing faxilities |
| 05/15/2001 | US6231996 Metal with aluminum diffusion overcaoting |
| 05/15/2001 | US6231694 Process for producing Fe-Ni alloys used for electron gun parts |
| 05/15/2001 | US6231001 Nozzle array for levitational guidance of web material |
| 05/10/2001 | WO2001032942A1 Heat treat fixture apparatus and method of heat treat hardening thin metal work pieces |
| 05/10/2001 | US20010000931 Heat treat fixture apparatus and method of heat treat hardening thin metal work pieces |
| 05/10/2001 | DE19954178C1 Verfahren zur Verbesserung der mechanischen Eigenschaften, insbesondere der Härte, von Zapfenkreuzen für den Einsatz in Gelenkwellen Process for improving the mechanical properties, especially hardness, of journal crosses for use in universal joint shafts |
| 05/10/2001 | DE19953524A1 Schlingenheber Looper |
| 05/10/2001 | DE19951698A1 High rigidity coil spring manufacturing process, involving cold winding rod into spring and austenizing spring by induction heating |
| 05/10/2001 | DE10033493A1 Apparatus for the heat treatment of automobile shock absorbers allowing improved product quality and increased production line productivity |
| 05/09/2001 | EP1097754A2 Loop lifter |
| 05/09/2001 | EP0685566B1 Rail of high abrasion resistance and high tenacity having pearlite metallographic structure and method of manufacturing the same |
| 05/09/2001 | CN2429535Y Roller path heating apparatus for spring plates |
| 05/09/2001 | CN1065458C Process for continuous prodn. of rolled stainless steel strip and continuous prodn. line for carrying out process |
| 05/08/2001 | US6228321 Box annealing furnace method for annealing metal sheet using the same and annealed metal sheet |
| 05/08/2001 | US6228188 Heat treatment of a steel wire |
| 05/08/2001 | US6228187 Introducing cryogen from cryogen source into chamber in order to permit volumetric expansion of cryogen into gaseous form to purge chamber, heating, adjusting cryogen and heat supply to control temperature and gas concentration |
| 05/08/2001 | US6227029 Method of manufacturing belt-driven tape cartridge |
| 05/03/2001 | WO2001031976A1 Uv oven for curing magnet wire coatings |
| 05/03/2001 | CA2389214A1 Uv oven for curing magnet wire coatings |
| 05/02/2001 | EP1096031A2 High-strength spring steel |
| 05/02/2001 | EP1096030A2 Bake hardenable vanadium containing steel |
| 05/02/2001 | EP1096029A1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 05/02/2001 | CN1065369C Improved process for manufacturing alternator pole piece |
| 05/01/2001 | US6225609 Coiling temperature control method and system |
| 05/01/2001 | US6224694 Method for heat-treating profiled rolling stock |
| 05/01/2001 | US6224686 High-strength valve spring and it's manufacturing method |
| 05/01/2001 | US6224334 Steam turbine, rotor shaft thereof, and heat resisting steel |
| 04/26/2001 | WO2001029902A2 Device and method for tempering several process goods |
| 04/26/2001 | WO2001029277A1 Steel for large bearing and parts for large bearing |
| 04/26/2001 | WO2000068443A3 Method for producing welded steel pipes with a high degree of strength, ductility and deformability |
| 04/26/2001 | US20010000377 Method and system for cooling strip material |
| 04/25/2001 | EP1094121A2 Method and manufacturing a laminated ring |
| 04/25/2001 | CN1065000C Continuous annealing apparatus of steel strip and tension control device for the same |
| 04/24/2001 | US6222167 Impedance matching apparatus for induction heating type galvanized steel sheet alloying system and method |
| 04/24/2001 | US6222152 Electric heating treatment method, electric heating treatment apparatus, and electrode for electric heating treatment apparatus |
| 04/24/2001 | US6222148 Method for producing a multilayer thin-walled bellows of stainless steel |
| 04/24/2001 | US6221177 Providing aluminum-alloy article precursor; anodizing article precursor; applying curable organic coating material; heat-treating coated aluminum article precursor to its final heat-treated state |
| 04/19/2001 | WO2001027340A1 Method for making a cold rolled steel strip for deep-drawing |
| 04/19/2001 | WO2001027339A1 Method for producing steel and use thereof in steel construction |
| 04/19/2001 | WO2001026845A2 Method and apparatus for improved solution heat treatment of metal castings |
| 04/19/2001 | US20010000281 Method and system for cooling strip material |
| 04/19/2001 | DE19950264A1 Production of constant velocity joint for automobiles, involves rolling or forging an alloy |
| 04/19/2001 | DE19950263A1 High strength steel shaft manufacturing method e.g. for automobile propeller shaft |
| 04/18/2001 | CN1291922A Installation for making cold-rolled stainless steel bands |
| 04/18/2001 | CN1291661A Orientation electric steel plate with excellent film covering characteristics and its making method |
| 04/18/2001 | CN1291658A Method and equipment for making thin wire |
| 04/18/2001 | CN1064719C Cast iron and piston ring |
| 04/17/2001 | US6218642 Laser hardened steel cutting rule |
| 04/17/2001 | US6217680 Thick cold rolled steel sheet excellent in deep drawability and method of manufacturing the same |
| 04/17/2001 | US6217677 Locally annealing sharp radii in precision formed housings using magnetic heating process |