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| US6221297 | 27. Sept. 1999 | 24. Apr. 2001 | ABB Power T&D Company Inc. | Method of manufacturing a transformer coil with a disposable wrap and band mold and integrated winding mandrel |
| US6223421 | 27. Sept. 1999 | 1. Mai 2001 | ABB Power T&D Company Inc. | Method of manufacturing a transformer coil with a disposable mandrel and mold |
| US6531082 | 5. Aug. 1999 | 11. März 2003 | Alstom Power | Method for impregnating conductor bars for the stator winding of an electrical machine |
| US6764291 | 14. Juni 2002 | 20. Juli 2004 | Alstom | Device for impregnating conductor bars for the stator winding of an electrical machine |
