| Patents for B23K 23 - Alumino-thermic welding (500) |
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| 02/25/2009 | CN101372073A Aluminothermy overlaying welding and rolling technique |
| 02/25/2009 | CN101372068A Faster welding method for armored vehicle aluminium alloy part for emergency in battlefield |
| 01/21/2009 | EP1472037B1 Welding apparatus |
| 01/21/2009 | CN101347868A Aluminothermy welding method of aluminium alloy |
| 01/15/2009 | DE102007032067A1 Vorrichtung und Verfahren zur CO2 Reinigung beim Schweißen von Metallen Apparatus and method for cleaning CO2 welding of metals |
| 01/07/2009 | CN100448591C Welding device and method |
| 12/16/2008 | CA2385126C Deposited metal welding method |
| 11/26/2008 | CN201154413Y Disposable crucible for aluminothermy welding of steel rail |
| 11/11/2008 | US7448527 Self-welding fastener |
| 10/29/2008 | CN201140319Y Disposal crucible |
| 09/25/2008 | WO2008113653A1 Device for igniting an alumino-thermal composition, crucible containing same and related methods |
| 09/25/2008 | CA2680000A1 Device for igniting an alumino-thermal composition, crucible containing same and related methods |
| 09/03/2008 | CN201109005Y Sand mould for steel rail aluminothermic welding |
| 08/27/2008 | CN201105359Y Remote-control electrical heating exothermal fusion welding initiation device |
| 08/27/2008 | CN101249585A Electrified welding method of aluminum cell cathode steel bar |
| 08/05/2008 | CA2399210C Welding superalloy articles |
| 07/09/2008 | CN101215813A Method for laying ballastless track long steel rail |
| 07/03/2008 | WO2008077957A1 Crucible for melting a thermit material having a glass or metal layer; thermit welding device with such crucible |
| 07/02/2008 | CN100398248C Welding apparatus |
| 06/04/2008 | CN201067829Y Flameless heat liberation welding die |
| 04/03/2008 | WO2008037714A1 Cable with lug for thermite welding, the lug having a stepped portion |
| 03/19/2008 | EP1412122A4 Thermite torch cutting nozzle |
| 03/19/2008 | CN101143412A Hot melt welding agent |
| 03/19/2008 | CN100375660C Cover for alumino thermic reaction crucible |
| 02/07/2008 | WO2008014982A1 Thermite welding tool, crucible and thermite welding methods |
| 02/07/2008 | WO2008014980A1 Thermite welding lug |
| 01/24/2008 | US20080019767 Structural Component Connection |
| 01/02/2008 | CN101098768A Structural component connection |
| 12/13/2007 | DE10200179B4 Verfahren zur Errichtung von Stahlrohrtürmen für Windenergieanlagen Method for the construction of tubular steel towers for wind turbines |
| 12/05/2007 | EP1862250A1 Mould for thermit welding of railway tracks in which at least one is worn, the mould presenting parts protected by compressible material and non protected machinable parts |
| 12/05/2007 | CN200984678Y Mould for soldering aluminium electrolytic cell cathode steel rod with thermite |
| 12/05/2007 | CN101081458A Mould for thermit welding of railway tracks in which at least one is worn |
| 11/29/2007 | CA2589641A1 Mould for the aluminothermic welding of rail tracks, at least one of which is worn out |
| 10/31/2007 | EP1472037A4 Welding apparatus and method |
| 10/31/2007 | DE19980928B4 Transportabler Reaktionstiegel, für eine metallothermische Schweißportion zum einmaligen Gebrauch Portable reaction crucible for a metallothermal welding portion for single use |
| 10/10/2007 | CN101052484A Method for manufacturing tensile material and cutting tools using thereof |
| 09/25/2007 | CA2422656C Exothermic welding mold conversion plug |
| 09/05/2007 | EP1827729A1 Method for production of expanded material and cutting device for the same |
| 08/22/2007 | EP1819475A1 Structural component connection |
| 07/18/2007 | CN1326654C Welding method |
| 07/11/2007 | CN2920508Y 袖珍式焊笔 Welding pen pocket |
| 07/10/2007 | US7240717 Multiple ignition source exothermic reaction mold device |
| 06/19/2007 | US7231957 System and method for termination of a wire rope |
| 06/19/2007 | US7231956 Method for making a termination for a wire rope for mining equipment |
| 05/31/2007 | US20070119562 System and method for termination of a wire rope |
| 05/17/2007 | US20070107869 Multiple ignition source exothermic reaction mold device |
| 04/24/2007 | US7208096 Method of cleaving GaN/sapphire for forming laser mirror facets |
| 02/21/2007 | CN1915571A Method for welding body of pump for anti leak of compressor |
| 02/07/2007 | CN1910497A System and method for optimizing character marking performance |
| 02/07/2007 | CN1298487C Depositing metal welding method |
| 10/25/2006 | CN2829965Y Aluminum welded joint protector of steel rail |
| 09/26/2006 | US7111391 Method and apparatus for lifting a truss from a truss assembly table |
| 08/08/2006 | CA2369646C Exothermic weld mold assembly |
| 06/08/2006 | WO2006060313A1 Structural component connection |
| 06/08/2006 | WO2006060023A1 System and method for termination of a wire rope |
| 05/17/2006 | CN1772960A Method for thermite welding aluminium electrolytic cell cathode steel bar |
| 04/06/2006 | WO2006034522A1 Method for production of expanded material and cutting device for the same |
| 04/06/2006 | CA2582234A1 Method for production of expanded material and cutting device for the same |
| 04/05/2006 | CN1248819C Exothermic welding mould assembly |
| 03/16/2006 | US20060054626 Crucible cover for aluminothermic reaction |
| 02/07/2006 | US6994244 Exothermic welding |
| 01/10/2006 | CA2235904C Exothermic reactions and methods |
| 11/17/2005 | US20050252949 Method and device for welding rails with heat treated head using separate alloy additives |
| 10/26/2005 | CN1688521A Heat-producing material and device |
| 10/26/2005 | CN1688407A Cover for alumino thermic reaction crucible |
| 10/20/2005 | US20050230076 System and method for termination of a wire rope |
| 10/20/2005 | US20050230075 Method for making a termination for a wire rope for mining equipment |
| 10/13/2005 | US20050224562 Apparatus and method for forming a weld joint having improved physical properties |
| 09/08/2005 | DE10247751B4 Verfahren und Vorrichtung zum Verschweißen kopfgehärteter Schienen Method and apparatus for welding head-hardened rails |
| 07/13/2005 | CN1638911A Welding apparatus and method |
| 06/15/2005 | EP1541723A2 Welding method |
| 06/15/2005 | EP1539656A2 Heat-producing material and device |
| 06/01/2005 | EP1534459A1 Crucible cover for aluminothermic reaction |
| 05/26/2005 | US20050109818 Welding method |
| 05/25/2005 | CN1618560A Welding method |
| 04/21/2005 | CA2542006A1 Methods of controlling multilayer foil ignition |
| 03/17/2005 | WO2004061374A3 Heat-producing material and device |
| 01/19/2005 | EP1100646B1 Disposable transportable reaction crucible for a metallothermic welding portion |
| 01/12/2005 | CN1184405C Forging process of Artistic door and window |
| 12/28/2004 | US6835910 Welding apparatus and method |
| 12/15/2004 | CN1179816C Detonator for exothermic flux |
| 12/01/2004 | CN1177669C Heat releasing welding flux |
| 11/11/2004 | US20040222274 Exothermic welding |
| 11/03/2004 | EP1472037A2 Welding apparatus and method |
| 10/20/2004 | CN2650359Y Hang-by-feet laser instrument |
| 10/19/2004 | US6805832 Thermite torch cutting nozzle |
| 10/19/2004 | US6805276 Deposit metal welding method |
| 09/21/2004 | US6793003 Exothermic welding mold conversion plug |
| 09/14/2004 | US6789724 Welding apparatus and method |
| 08/17/2004 | US6776386 Lid for exothermic reaction welding mold |
| 08/05/2004 | DE202004007297U1 Filter for placing on a reaction crucible for carrying out thermite welding comprises a sleeve and a lining for exerting a filtering function |
| 07/22/2004 | WO2004061374A2 Heat-producing material and device |
| 07/22/2004 | CA2498674A1 Heat-producing material and device |
| 05/27/2004 | WO2004016385B1 Crucible cover for aluminothermic reaction |
| 05/20/2004 | US20040093984 Increasing the surface area of the ferrous oxide particles where the individual particles had a prism-like shape |
| 04/29/2004 | WO2004035254A1 Method and device for welding rails with heat treated head using separate alloy additives |
| 04/28/2004 | EP1412122A1 Thermite torch cutting nozzle |
| 04/22/2004 | DE10247751A1 Mold to weld rails, with hardened heads, has an insert over the rail with a center opening, to direct molten steel flows through the side channels and with separation between the insert and mold cover |
| 04/13/2004 | CA2214054C Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region |
| 03/11/2004 | US20040048058 Heat-producing material and device |