| Patents for C21D 1 - General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering (27,435) |
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| 02/21/2006 | CA2376988C Metal gasket and method of manufacture |
| 02/16/2006 | WO2006015749A1 Method for the heat treatment of workpieces made of steel or cast iron |
| 02/16/2006 | US20060032555 Anti-rust treatment using KLEIN™ gas flame |
| 02/16/2006 | DE202005019952U1 Kiln for the heat treatment of tubular structures, used to take heat away from circuit boards, has a lower sealing surface to prevent leakage of process gas |
| 02/15/2006 | EP1625899A1 Apparatus and method for forming a beam into a three-dimensional shape |
| 02/15/2006 | EP1625240A1 Quenching fluid composition |
| 02/15/2006 | EP1335034B1 Low-carbon steel sheet for mask of tension type cathode ray tube with bridge and mask and cathode ray tube |
| 02/15/2006 | CN2758274Y Vertical pipe vacuum furnace |
| 02/15/2006 | CN2758273Y Heat insulating chamber having material tray lifting and side discharging device |
| 02/15/2006 | CN2758272Y High pressure gas quenching material shelf |
| 02/15/2006 | CN1735714A Method for controlling the microstructure of a laser metal formed hard layer |
| 02/15/2006 | CN1735699A Surface hardened stainless steel with improved wear resistance and low static friction properties |
| 02/15/2006 | CN1735698A Surface modified precipitation hardened stainless steel |
| 02/15/2006 | CN1733945A Quantized quenching apparatus in metal heat treatment and the quantized quenching method using same |
| 02/15/2006 | CN1242236C Means and method for heating |
| 02/15/2006 | CN1242076C Quenching equipment and quench method |
| 02/09/2006 | WO2006013055A1 Method for the heat treatment of workpieces made from steel |
| 02/09/2006 | US20060027163 Apparatus for cooling a strip of sheet metal |
| 02/08/2006 | EP1624078A1 Apparatus for cooling sheet metal strip |
| 02/08/2006 | EP1624077A2 Process and apparatus for hardening cylindrical bearing locations on a shaft |
| 02/08/2006 | EP0911418B1 Method and apparatus for heat treating by means of gas jet stream |
| 02/08/2006 | CN2756641Y Pressurizing device for quenching room |
| 02/08/2006 | CN1732280A Fe-cr-si based non-oriented electromagnetic steel sheet and process for producing the same |
| 02/08/2006 | CN1732056A Method for increasing a fatigue strength of a metallic component, which is provided with at least one cavity, while subjecting it to a cyclic inner pressure load |
| 02/08/2006 | CN1730879A Mechanical and electronic combined lock |
| 02/08/2006 | CN1730677A Small-sized multipurpose single-chamber vacuum water quenching oven |
| 02/08/2006 | CN1730676A Laser solid state phase change hardening process of high speed briquette press punch disk |
| 02/08/2006 | CN1240875C Oil removing device for cleaning pipes that are present in the form of coils |
| 02/08/2006 | CN1240855C Apparatus and method for measuring medium flow velocity in industrial quenching bath |
| 02/08/2006 | CN1240854C cooling quenching method of high pressure gas circulated by aerosol |
| 02/08/2006 | CN1240853C Laser mfortifying method and system for fortifying trace and distribution controllable material surface |
| 02/07/2006 | US6994916 Friction stir grain refinement of structural members |
| 02/02/2006 | WO2006011540A1 Device for improving residual stress of piping |
| 02/02/2006 | WO2006011539A1 Device for improving residual stress in piping |
| 02/02/2006 | US20060022387 Heat treatment apparatus |
| 02/02/2006 | US20060021679 induction hardened gears; improved seizure resistance of its tooth flanks; temper hardness of HRC 50 or more at 300 degrees C; steel of C, V, Cr,Ti, Zr, Nb, Ta and Hf; cementite disperses in a martensite parent phase formed by quench hardening induction heating and cooling; pitting resistance |
| 02/01/2006 | EP1620197A1 Method and device for inhibiting contamination of a workpiece |
| 02/01/2006 | CN1727501A Continuous motion laser shock peening |
| 02/01/2006 | CN1239717C Controlled cooling equipment of immersion and spray quenching combined quench-hardening |
| 01/31/2006 | US6991687 Vacuum carburizing with napthene hydrocarbons |
| 01/31/2006 | CA2370291C Methods of forming steel |
| 01/26/2006 | US20060016525 Method for under-pressure carburizing of steel workpieces |
| 01/26/2006 | US20060016524 Annealing system for ammunition casings using induction heating |
| 01/26/2006 | US20060016517 Grain refinement of alloys using magnetic field processing |
| 01/26/2006 | US20060016516 applying a magnetic field a solution of ferromagnetic molecular frame components to assemble a ferromagnetic frame andintroducing monomers that self-assemble within the ferromagnetic frame to form a well-organized, anisotropic polymers |
| 01/25/2006 | EP1198603A4 Free-machining steels containing tin, antimony, and/or arsenic |
| 01/25/2006 | EP1096029B1 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof |
| 01/25/2006 | CN1726293A Catenary type furnace |
| 01/24/2006 | US6989063 Device for tempering rolled stock of great length |
| 01/19/2006 | WO2006006696A1 Quenched formed article having high strength and being excellent in corrosion resistance and method for production thereof |
| 01/19/2006 | US20060011446 Roller conveyor roller, especially for the transport of furnace-heated metallic strip material |
| 01/19/2006 | US20060011274 Method for producing steel with retained austenite |
| 01/18/2006 | EP1616969A1 Method and device for induction heat treatment of parts with rotational symmetry |
| 01/18/2006 | CN2752269Y Heat recovery type continuous isothermal annealing furnace |
| 01/18/2006 | CN1721669A Pulley for an engine |
| 01/18/2006 | CN1721558A Carburizing and quenching process for cold extrusion steel |
| 01/12/2006 | WO2005100618A3 Forged or stamped average or small size mechanical part |
| 01/12/2006 | US20060008193 Rolling part and power transmission part |
| 01/12/2006 | DE10210952A1 Vorrichtung zur Behandlung von metallischen Werkstücken mit Kühlgas A device for treatment of metallic workpieces with cooling gas |
| 01/11/2006 | EP1614761A1 Steel material with excellent rolling fatigue life and method of producing the same |
| 01/11/2006 | EP1613783A2 Method for the thermomechanical treatment of steel |
| 01/11/2006 | EP1613449A2 Method for producing helical springs or stabilisers |
| 01/11/2006 | CN1718777A Automatic continuous copper foil annealing system |
| 01/11/2006 | CN1718776A Cage type furnace convection plate |
| 01/11/2006 | CN1718775A Low temperature quencing heat treatment technology of high speed steel saw blade |
| 01/11/2006 | CN1718774A Deep cooling treatment method of high speed steel tool |
| 01/11/2006 | CN1718773A Manufacturing technology of ultra high strength oil pumping rod |
| 01/11/2006 | CN1718772A Technological method for eliminating engine valve disk terminal conical face fensile stress and its equipment |
| 01/11/2006 | CN1718771A Prehardening treatment method of NAK80 mould steel |
| 01/11/2006 | CN1718768A Bainite auctile iron isothermal quenching technology |
| 01/11/2006 | CN1718767A Work piece sealing transfer device of vertical heating treatment production line |
| 01/11/2006 | CN1718766A Pit heating furnace cover for implementing sealing state work piece transfer |
| 01/11/2006 | CN1236078C Heating method of preventing high-carbon steel blank or steel ingot from decarbonizing |
| 01/11/2006 | CN1236077C High-strength bolt excellent in delayed fracture resistance characteristics and its steel product |
| 01/05/2006 | US20060000526 Martensitic stainless steel in annealed state; continuous processed groove is formed by thermal energy in a longitudinal direction at a splitting portion of steel strip for razor blades on one edge side of strip, and continuous changed structure area is formed in longitudinal direction on opposite edge |
| 01/05/2006 | DE10361739B4 Verfahren zum Bearbeiten von Kurbelwellenradien A method for processing crank radii |
| 01/05/2006 | DE102004037067B3 Verfahren zur Wärmebehandlung von Werkstücken aus Stahl A method for heat treatment of steel workpieces |
| 01/05/2006 | DE102004007071B4 Verfahren zur Herstellung eines Bauteils durch Umformen einer Platine und Vorrichtung zur Durchführung des Verfahrens A method for producing a component by shaping a blank and a device for carrying out the method |
| 01/04/2006 | EP1613133A2 Atmospheric plasma method for treating sheet electricity conducting materials and device therefor |
| 01/04/2006 | EP1611260A2 Method and apparatus for strengthening of powder metal gears by ausforming |
| 01/04/2006 | EP1332650B1 Atmospheric plasma method for treating sheet electricity conducting materials and device therefor |
| 01/04/2006 | EP1195447B1 Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production |
| 01/04/2006 | EP0864662B1 Casting material for thixocasting, method for preparing partially solidified casting material for thixocasting, thixo-casting method, iron-base cast, and method for heat-treating iron-base cast |
| 01/04/2006 | CN1715426A Method for elimilating shell processing stress |
| 01/04/2006 | CN1234886C Thermal treatment method of metal tube and said thermal treatment apparatus |
| 01/04/2006 | CN1234885C Ferromagnetic amorphous metallic alloy and annealing method |
| 01/04/2006 | CN1234884C Method and equipment for making thin wire |
| 01/04/2006 | CN1234883C Isothermal spheroidizing and annealing technique for 4Cr5MoVSi steel |
| 01/04/2006 | CN1234882C Strong magnetic field quick complete annealing process for medium carbon low alloy structure steel |
| 01/04/2006 | CN1234881C Method and apparatus for thermally treating metal long rod |
| 01/03/2006 | US6982120 Constant velocity plunging joints for automobiles; porous surface layer of burnt iron nitrides, nonmetallic connecting zone of iron nitrides; diffusion matrix zone of nitrogen crystals/nitrides precipitate; steel bottom core; wear resistance |
| 12/29/2005 | WO2005123970A1 A process and device for hardening metal parts |
| 12/28/2005 | EP1609948A2 Integrally bladed rotor airfoil fabrication and repair techniques |
| 12/28/2005 | EP1434891B1 Heat treatment method |
| 12/28/2005 | CN1714165A Weldable steel building component and method for making same |
| 12/28/2005 | CN1714161A Method for making an abrasion resistant steel plate and plate obtained |
| 12/28/2005 | CN1714160A Method for making an abrasion resistant steel plate and plate obtained |
| 12/28/2005 | CN1714159A Method for making an abrasion resistant steel plate and plate obtained |
| 12/27/2005 | US6978852 Rock drill product and method |
| 12/22/2005 | WO2005121386A2 Integrated metal processing facility |