Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6732448 | Device for preparing transformers | — | 2004-05-11 |
| 6108927 | Method and equipment for heating parts comprising hygroscopic, electric insulation | — | 2000-08-29 |
| 4708190 | Treating metals and/or metallic compounds | Robert Hack | 1987-11-24 |
| 4424633 | Apparatus for heating and drying articles | Karl-Heinz Bernhardt | 1984-01-10 |
| 4423766 | Vacuum condensation apparatus | Karl-Heinz Bernhardt | 1984-01-03 |