Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8461382 | Ionic liquids | Stefan Thomaier, Eva Maurer, Oliver Zech, Matthias Kellermeier, Regina Klein | 2013-06-11 |
| 5697167 | Method for drying a substance, in particular wood shavings | Cyrill Hammer | 1997-12-16 |
| 5271162 | Process for the emission-free drying of a substance in a drying drum | Armin Vonplon | 1993-12-21 |
| 4507542 | Impulse welding device for gas shielded arc welding | Theo Broeckels | 1985-03-26 |
| 4491759 | Piezoelectric vibration exciter, especially for destructive material testing | Walter Voigt | 1985-01-01 |