| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 09/12/2001 | CN1070928C Oil tempering steel wire and making method thereof |
| 09/11/2001 | US6287396 Heat resistance; for nuts and bolts |
| 09/11/2001 | US6287009 Rolling bearing unit with rotation speed detection instrument for use in cars and method for working outer race for use in this bearing unit |
| 09/07/2001 | WO2001064963A2 Superadiabatic combustion generation of reducing atmosphere for metal heat treatment |
| 09/06/2001 | DE10101265A1 Radlagereinheit Wheel bearing unit |
| 09/06/2001 | DE10038782C1 Process for cooling, especially quenching and hardening metallic workpieces, especially steel in a cooling chamber comprises circulating parallel cooling gas streams over the workpiece and a heat exchanger |
| 09/06/2001 | DE10008651A1 Process for locally suppressing the diffusion of light foreign during the thermochemical edge layer treatments comprises applying an organometallic polymer or colloidal dispersion to the surface regions to be protected |
| 09/05/2001 | EP1129229A1 Steel, use of the steel, product made of the steel and method of producing the steel |
| 09/05/2001 | EP1129224A1 Device and process for cooling metal components which were subjected to high temperatures |
| 09/05/2001 | EP1128875A2 Method and apparatus for containing and suppressing explosive detonations |
| 09/05/2001 | CN1311826A Method and installation for producing dual-phase steel |
| 09/05/2001 | CN1311339A Method for quenching workpieces with reduced deformation |
| 09/04/2001 | US6284068 Reducing electromagnetic core energy losses by modifying the molecular structure in core materials |
| 09/04/2001 | US6284064 Performing a tension working to a carbon steel material having an average hardness in the range of hrc 50 to 57 and a bainite structure to provide a residual strain of at least 0.3% |
| 09/04/2001 | US6282789 Method of manufacturing traction rollers for continuously variable transmissions and traction rollers resulting therefrom |
| 08/30/2001 | US20010017172 Method for controlling structure of two-phase steel |
| 08/30/2001 | US20010017050 Forging device and method therefor |
| 08/29/2001 | CN2444958Y Ultrasonic frequency quenching machine tool |
| 08/29/2001 | CN1310770A High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof |
| 08/29/2001 | CN1070242C Method of process at least one component of soft magnetic material |
| 08/28/2001 | US6280685 Tool steel composition |
| 08/28/2001 | CA2122822C Induction furnace |
| 08/23/2001 | WO2001061260A1 Means and method for heating |
| 08/23/2001 | US20010015515 Heat treatment of metal castings and in-furnace sand reclamation |
| 08/23/2001 | US20010015348 Laser hardened steel cutting rule |
| 08/23/2001 | US20010015247 Automobile part is subjected to quenching using liquid coolant, the cooling power of cooling medium is maintained within a prescribed range, so that variation in distortion suffered by the part is restricted |
| 08/23/2001 | US20010015245 Flat product, such as sheet, made of steel having a high yield strength and exhibiting good ductility and process for manufacturing this product |
| 08/23/2001 | US20010015244 Lengthening the life of a bearing for alternator to be used under high vibration and high load |
| 08/23/2001 | US20010015241 Wheel bearing unit |
| 08/23/2001 | DE10105691A1 Vorrichtung zum fortlaufenden Behandeln eines Gegenstandes An apparatus for continuously treating a subject |
| 08/23/2001 | DE10062036A1 Wälzlager und Verfahren zu seiner Herstellung Rolling and process for its preparation |
| 08/23/2001 | DE10023312C1 Galvannealed-Feinblech und Verfahren zum Herstellen von derartigem Feinblech Galvannealed sheet and method of manufacturing from such thin sheet |
| 08/22/2001 | EP1126747A2 Heating device for metallic pieces |
| 08/22/2001 | EP1126042A1 A steel |
| 08/22/2001 | EP1126038A1 Method and apparatus for heat treating steel |
| 08/22/2001 | CN1309188A Steel |
| 08/22/2001 | CN1069927C Anticorrosive treatment technology for complex board container |
| 08/21/2001 | US6277216 Austenitized at a temperature of 900 degrees c to maintain a fine grain structure, subsequently quenched and tempered; high strength |
| 08/21/2001 | CA2016007C Gamma titanium aluminum alloys modified by chromium and tantalum and method of preparation |
| 08/16/2001 | WO2001060122A1 Induction heat treatment of complex-shaped workpieces |
| 08/16/2001 | WO2001059040A1 Hot rolling process for rolling aluminium and aluminium alloys sheets |
| 08/16/2001 | WO2001005549A3 Contour forming of metals by laser peening |
| 08/16/2001 | US20010013428 Drilling system |
| 08/16/2001 | EP1123967A1 Water-soluble aluminium and aluminium alloys hot rolling composition |
| 08/16/2001 | EP1123820A2 Tyre comprising carcass anchoring circumferential cords, method of assembling such cords |
| 08/16/2001 | EP1123757A2 Compressed gas quenching of shafts |
| 08/16/2001 | EP0777752B1 Method of making profiles of high-strength structural steel having at least one flange |
| 08/16/2001 | CA2397841A1 Hot rolling process for rolling aluminium and aluminium alloys sheets |
| 08/15/2001 | CN1308217A Continuous treater |
| 08/14/2001 | US6274857 Induction heat treatment of complex-shaped workpieces |
| 08/14/2001 | US6274102 Catalytic chemical reactor which efficiently produces low flow rates of a nitrogen or nitrogen/hydrogen stream from an initial feed containing oxygen which reacts with the hydrogen to form water subsequently separated from the nitrogen |
| 08/14/2001 | US6273968 Low-carbon steels of superior mechanical and corrosion properties and process of making thereof |
| 08/09/2001 | WO2001057286A1 High strength, high toughness, seamless steel pipe for line pipe |
| 08/09/2001 | US20010011566 Method of heat treatment of wire |
| 08/09/2001 | DE10004656C1 Wellenricht- und -härtemaschine Wellenricht- and -härtemaschine |
| 08/08/2001 | EP1122320A1 Heat treating furnace for a continuously supplied metal strip |
| 08/08/2001 | EP1121995A2 Shaft straightening and hardening machine |
| 08/07/2001 | US6270596 Rolling/forging alloy of actinium to produce a steel product then induction hardening to obtain a shaft having improved machinability and cold workability; useful in reducing weight of drive shaft of automobiles |
| 08/07/2001 | US6270595 Heating crawler belt bushings to quenching temperature then allowing independent outer and inner circumferential surface cooling, hardening the entire thickness of said bushing, then tempering; used in construction vehicle assembly |
| 08/07/2001 | US6270081 Combination of piston ring for use in internal combustion engine |
| 08/02/2001 | WO2001055470A2 Modified low temperature case hardening processes |
| 08/02/2001 | WO2001055466A1 High carbon steel sheet and method for production thereof |
| 08/02/2001 | WO2001054899A1 Use of a dimensionally stable iron-chrome-aluminum film |
| 08/02/2001 | DE19927095A1 Verfahren zum Randschichtumschmelzen mit einem Energiestrahl A method for Randschichtumschmelzen with an energy beam |
| 08/02/2001 | DE10003720A1 Production of roller bearing elements comprises using a block of continuous cast material having a high degree of purity with fine carbide deposits and having a high fine granularity |
| 08/01/2001 | EP1120577A1 Rolling bearing |
| 08/01/2001 | EP1119733A1 Method and apparatus for uniformly heating a furnace |
| 08/01/2001 | EP1119649A2 Selective case hardening processes at low temperature |
| 08/01/2001 | EP1119648A1 Cold workable steel bar or wire and process |
| 08/01/2001 | CN1306582A Ultra-high strength dual phase steels with excellent cryogenic temperature toughness |
| 07/31/2001 | US6267828 Containing precipitated carbide |
| 07/26/2001 | WO2001053022A1 Method for producing angular, stainless shot-blasting abrasives based on an fe-cr-c alloy |
| 07/26/2001 | DE10049185A1 Process for the thermochemical edge layer treatment of austenitic steel comprises inserting impurity atoms into the substrate edge layer by contacting with the substrate material in an gas atmosphere enriched with interstitial atoms |
| 07/26/2001 | DE10002738A1 Production of abrasive grains made of non-rusting cast stainless steel involves producing granules from a hardenable iron-chromium-carbon alloy melt, heat treating and cooling |
| 07/25/2001 | EP1117846A1 Method for changing the properties of the surfaces of work pieces |
| 07/25/2001 | CN2440046Y Quenching inductor |
| 07/24/2001 | US6264770 Quenching and intercritical heat treatment by annealing, tempering |
| 07/24/2001 | US6264768 Method for strengthening of rolling element bearings by thermal-mechanical net shape finish forming technique |
| 07/24/2001 | US6264760 For fabrication of pipeline |
| 07/24/2001 | US6264759 Wire rods with superior drawability and manufacturing method therefor |
| 07/18/2001 | EP1116796A2 High chromium ferritic heat resisting steel and method of heat treatment for the same |
| 07/18/2001 | EP1025271A4 Ultra-high strength, weldable, essentially boron-free steels wit h superior toughness |
| 07/18/2001 | EP1015651A4 Ultra-high strength, weldable, boron-containing steels with superior toughness |
| 07/18/2001 | EP0876515B1 Drawing stock for reinforcing plastic or rubber articles |
| 07/17/2001 | US6262403 Apparatus for aligning ends of diffusion bonded materials |
| 07/17/2001 | US6261639 Process for hot-rolling stainless steel |
| 07/17/2001 | US6261392 Method for manufacturing quenched thin-walled metal hollow casing by blow-moulding |
| 07/17/2001 | CA2169712C Annealing base for hood-type annealing furnaces |
| 07/12/2001 | WO2001049888A1 Method for austempering steel parts |
| 07/12/2001 | WO2001049887A1 Method for working steel |
| 07/12/2001 | DE10065737A1 Production of a bevel gear drive used for vehicles comprises forming an intermediate product for a bevel gear drive with teeth by forging a metallic blank and hardening the teeth by fluidized current heating |
| 07/11/2001 | EP1114199A1 Steel for making a ball bearing part |
| 07/11/2001 | EP1114196A1 Method and device for cleaning metallic surfaces |
| 07/11/2001 | CN1068232C Fire detecting and counteracting method in sealing device at inlet/outlet of compartment of continuous heat treatment furnace or like for metallic strip |
| 07/10/2001 | US6259076 Method for hardening camshafts and linear inductor for the implementation of said method |
| 07/10/2001 | US6258496 Stretched mask for color picture tube |
| 07/10/2001 | US6258185 Forming metallic glass; converting portion of glass to crystalline steel material having nanocrystalline scale grain size; transforming portion of crystalline steel material to metallic glass |
| 07/05/2001 | WO2001048437A1 Method and apparatus for the destruction of suspected terrorist weapons by detonation in a contained environment |
| 07/05/2001 | WO2001048258A1 Bar or wire product for use in cold forging and method for producing the same |
| 07/05/2001 | WO2001048257A1 Bar or wire product for use in cold forging and method for producing the same |