Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551386 | Oxygen separation device | — | 2003-04-22 |
| 6402476 | Turbine blade and a method for its production | Hans-Peter Bossmann, Otto Bernhardi, Hans Joachim Schmutzler, Harald Reiss, Raiko Milanovic +2 more | 2002-06-11 |
| 5809056 | Vitrification furnace with a gas light seal | Helge Jansen, Christian Wieckert | 1998-09-15 |
| 5709919 | Thermal insulation | Axel Kranzmann | 1998-01-20 |
| 5605645 | Furnace heater surrounded by a ceramic tube and fastened with a ceramic flange | Anke Brandstadter-Springer, Hans Ammon, Fritz Hegewaldt | 1997-02-25 |
| 4800143 | High-temperature storage battery | Friedrich Harbach, Reinhard Knodler, Rudolf Krapf, Stefan Mennicke | 1989-01-24 |
| 4419418 | Individual rechargeable electric cell | Reinhard Knodler, Friedrich Harbach | 1983-12-06 |