Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836580 | Transformer winding and production method thereof | Jean-Marc Scherrer, Jean-Paul Scherrer | 2010-11-23 |
| 7778532 | Device for heating grounds, in particular sports ground | Jean-Marc Scherrer, Jean-Paul Scherrer | 2010-08-17 |
| 4651412 | Electric transformer and method for the manufacture of the transformer | — | 1987-03-24 |
| 4639705 | Transformer with gapless core on support | — | 1987-01-27 |
| 4638554 | Method of constructing transformers using a transformer-coil winding wheel | — | 1987-01-27 |
| 4588971 | Electric transformer with annular coil forms | — | 1986-05-13 |
| 4542362 | Electrical transformers with improved insulation and coolant guiding | — | 1985-09-17 |