Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046492 | Power transformer/inductor | Udo Fromm, Par Holmberg, Gunnar Kylander, Li Ming, Mats Leijon | 2006-05-16 |
| 6970063 | Power transformer/inductor | Udo Fromm, Par Holmberg, Gunnar Kylander, Li Ming, Mats Leijon | 2005-11-29 |
| 6175294 | Transformer with superconducting windings | — | 2001-01-16 |
| 5850054 | Division of current between different strands of a superconducting winding | Dietrich Bonmann | 1998-12-15 |
| 5720173 | Gas-cooled bushing in cryotanks for superconducting applications | Dietrich Bonmann | 1998-02-24 |
| 5689223 | Superconducting coil | Anton Demarmels, Friedrich Konig, Jakob Rhyner, Jose Maria Rivera | 1997-11-18 |
| 5568114 | Winding support body for transformers/reactors with superconductors | Thomas Fogelberg, Uno Gafvert | 1996-10-22 |
| 4197515 | Synchronous filter | Karl O. U. Gafvert | 1980-04-08 |