Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247689 | Fire resistant ventilation duct and a method of manufacturing and installing such ventilation duct | Jürg Dieter Stefan Rödenberger, Markus Thoma | 2025-03-11 |
| 9388579 | Packing or transport unit having fibrous insulation elements | Herluf Nielsen | 2016-07-12 |
| 8276622 | Metal sheet ventilation/smoke duct section and manufacturing method thereof | Kenn Christensen, Lars Elmekilde Hansen | 2012-10-02 |