| Patents for B23K 23 - Alumino-thermic welding (500) |
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| 03/09/2004 | US6703578 Exothermic reactions and methods |
| 02/26/2004 | WO2004016385A1 Crucible cover for aluminothermic reaction |
| 01/29/2004 | WO2004010548A1 Mould insert |
| 01/15/2004 | WO2003064095A3 Welding apparatus and method |
| 01/08/2004 | US20040003907 Welding apparatus and method |
| 11/25/2003 | CA2213903C Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region |
| 11/13/2003 | US20030209591 Deposit metal welding method |
| 11/04/2003 | US6640873 Exothermic weld mold assembly |
| 09/25/2003 | US20030178168 Exothermic welding mold conversion plug |
| 08/14/2003 | US20030150347 Exothermic reactions and methods |
| 08/07/2003 | WO2003064095A2 Welding apparatus and method |
| 06/26/2003 | US20030116693 Device for the alumino-thermic welding of two ends of a rail |
| 05/21/2003 | CN1108894C Disposable transportable reaction crucible for a metallothermic welding portion |
| 04/29/2003 | US6553911 Exothermic reactions and methods |
| 04/10/2003 | WO2003028944A1 Welded steel/aluminum electrical connection and method |
| 03/19/2003 | CN1403224A Forging process of Artistic door and window |
| 02/12/2003 | CN1396036A 焊接装置和方法 Welding apparatus and method |
| 01/23/2003 | WO2003006198A1 Thermite torch cutting nozzle |
| 01/15/2003 | EP1274533A1 Device for aluminothermic welding of two ends of a rail |
| 01/09/2003 | US20030006538 Thermite torch cutting nozzle |
| 01/09/2003 | US20030006272 Welding apparatus and method |
| 01/08/2003 | EP1273381A1 Welding apparatus and method for forming electrical connections |
| 01/06/2003 | CA2390386A1 Welding apparatus and method |
| 12/18/2002 | CN1385275A Depositing metal welding method |
| 11/26/2002 | US6484792 Single use transportable reaction crucible for a metallothermic welding portion |
| 10/30/2002 | CN1376555A Detonator for exothermic flux |
| 10/02/2002 | CN1371781A Heat releasing welding flux |
| 09/18/2002 | CN1369353A Exothermic welding mould assembly |
| 09/05/2002 | DE10108597A1 Igniting thermite mixture involves electrically igniting ignition element having closed container sleeve filled with ignition mixture, and subjecting to slight pressure and corresponding hot flame and/or hot gas |
| 08/14/2002 | EP1231012A1 Exothermic weld mold assembly |
| 08/08/2002 | US20020104953 Exothermic weld mold assembly |
| 05/07/2002 | US6382496 Welding handle clamp |
| 01/27/2002 | CA2314795A1 Welding handle clamp |
| 11/13/2001 | US6316125 Producing molten weld aluminum-copper alloy from exothermic reaction mixture of reducing agent, metal compound and at least two filler metals; released heat of reaction melts and alloys filler metals |
| 10/25/2001 | WO2001078936A1 Device for aluminothermic welding of two ends of a rail |
| 08/29/2001 | CN1310652A Disposable transportable reaction crucible for a metallothermic welding portion |
| 08/08/2001 | EP1121221A1 Method for aluminothermic joint welding of two rails separated by a gap and casting mold for implementing said method |
| 07/18/2001 | EP1115529A1 Method and device for thermite welding at large water depths |
| 05/23/2001 | EP1100646A1 Disposable transportable reaction crucible for a metallothermic welding portion |
| 05/08/2001 | US6227282 Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region |
| 12/21/2000 | WO2000077305A1 Method for welding the ends of rails |
| 12/21/2000 | WO2000076713A1 Device for pre-drying the welding area of a welding die |
| 12/21/2000 | WO2000076712A1 Device for pre-drying the welding area of a welding die |
| 12/21/2000 | WO2000076711A1 Reaction crucible for carrying out metal-thermal reactions |
| 11/28/2000 | US6152349 Welding mold and preheating device intended to cooperate with the welding mold |
| 10/17/2000 | US6131801 Method and device for thermite welding at large water depths |
| 10/03/2000 | US6125913 Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region |
| 06/06/2000 | CA2018890C Thermite welding apparatus with crucible and crucible cover used in the process |
| 05/17/2000 | EP0873449B1 Welding mold and preheating device intended to cooperate with the welding mold |
| 05/04/2000 | DE19849454A1 Verfahren zur aluminothermischen Verbindungsschweißung zweier auf Lücke verlegter Schienen und Gießform zur Durchführung des Verfahrens A process for aluminothermic joint weld laid on two rails gap and casting mold for performing the method |
| 04/13/2000 | WO2000020156A1 Method for aluminothermic joint welding of two rails separated by a gap and casting mold for implementing said method |
| 12/02/1999 | WO1999061194A1 Disposable transportable reaction crucible for a metallothermic welding portion |
| 11/25/1999 | DE19822851A1 Transportable reaction crucible for metallothermic welding material for once-only use |
| 10/28/1999 | DE19819706C1 Mold for intermediate rail section |
| 10/12/1999 | US5964963 Self-reactive bonding particles selected from the group consisting of gold, cadmium, copper, zinc, tin, lead, silver, silicon, chromium, cobalt, antimony, bismuth, aluminum, iron, magnesium, nitrogen, carbon, and boron; welding, soldering |
| 10/06/1999 | EP0947284A1 Aluminum welding process and composition for use in same |
| 09/21/1999 | US5954261 For joining cable |
| 08/31/1999 | US5944914 Fine particles |
| 06/30/1999 | EP0925866A2 Mold used in an intermediate cast welding of two rail ends |
| 05/11/1999 | US5902498 Methods of joining metal components and resulting articles particularly automotive torque converter assemblies |
| 12/22/1998 | US5850962 Casting mold for fusion welding of two workpieces |
| 11/04/1998 | EP0875330A1 Exothermic reactions and methods |
| 11/03/1998 | US5829510 Exothermic welding crucible and method |
| 10/28/1998 | EP0873449A1 Welding mold and preheating device intended to cooperate with the welding mold |
| 10/14/1998 | EP0870569A1 Welding apparatus and method |
| 10/14/1998 | EP0870568A1 Strip welder and method |
| 09/22/1998 | CA2104086C Metallothermal reaction mixture |
| 06/10/1998 | EP0846522A2 Alumino-thermic mixture |
| 06/04/1998 | CA2222840A1 Aluminothermic mixture |
| 05/19/1998 | US5753006 Method for the aluminothermal production of molten steel |
| 04/16/1998 | DE19650207C1 Aluminothermic mix especially for rail welding |
| 04/16/1998 | DE19635173C1 Casting mould for rail welding comprising a binder and quartz |
| 04/08/1998 | EP0777550A4 Nanoscale particles, and uses for same |
| 03/26/1998 | DE19637283A1 Verfahren zum aluminothermischen Zwischengußschweißen von Schienen mit Auflegierung des Stahlgusses im Schienenkopfbereich A method of aluminothermic Zwischengußschweißen of rails with alloying steel casting in the rail head area |
| 03/12/1998 | DE19702410C1 Reaction crucible for alumino thermal welding |
| 02/10/1998 | US5715886 Single use welding mold and method |
| 12/04/1997 | DE19648369C1 Alumino:thermal mixture for welding rails |
| 11/26/1997 | EP0808684A2 Mould for the intermediate cast welding of two workpieces |
| 11/11/1997 | CA2204928A1 Method for heat treatment of a rail joint which is produced by fusion welding, and a burner arrangement which is intended for use in such a method |
| 10/22/1997 | EP0802015A2 Exothermic welding crucible and method |
| 10/22/1997 | EP0802014A2 Single use welding mold and method |
| 10/22/1997 | EP0802013A1 Welding mold and method |
| 10/16/1997 | WO1997037806A1 Method and device for thermite welding at large water depths |
| 08/26/1997 | US5660317 Exothermic welding jig, molds therefor and method |
| 08/05/1997 | US5653279 Apparatus and method for forming electrical connections |
| 07/17/1997 | WO1997025479A1 Welding mold and preheating device intended to cooperate with the welding mold |
| 07/15/1997 | US5647425 For lap welding a conductor to a vertical bar or rod |
| 06/25/1997 | EP0780189A1 Process for the aluminothermic production of a steel melt |
| 06/23/1997 | CA2193159A1 Method for the aluminothermal production of molten steel |
| 06/11/1997 | EP0777550A2 Nanoscale particles, and uses for same |
| 05/28/1997 | DE19619171C1 Method of heat treatment of welded connections of rail tracks |
| 05/28/1997 | DE19615020C1 Starting reaction of finely divided thermal alumino mixture |
| 12/10/1996 | US5582228 Exothermic welding crucible and method |
| 10/15/1996 | US5565117 Method of resistance-welding workpieces of metal and resistance-welded weldment of metal |
| 07/09/1996 | US5533662 Exothermic welding apparatus |
| 07/02/1996 | US5531259 Method for intermediate cast type welding of finely pearlitized rails |
| 06/12/1996 | CN1031983C Igniting agent for copper conducting wire thermal agent welding |
| 05/14/1996 | US5515904 Apparatus and process for aluminothermic welding |
| 03/28/1996 | WO1996006700A3 Nanoscale particles, and uses for same |
| 03/07/1996 | WO1996006700A2 Nanoscale particles, and uses for same |