Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9546549 | Ventilation system for tunnel section or covered road | — | 2017-01-17 |
| 8360163 | Fire-extinguishing system in an air filter system and method therefor | — | 2013-01-29 |
| 7964027 | System for extracting vapor and particulates from a flow of a liquid and an air stream | Nicolaas Van Velsen, Lili Louise Doude Van Troostwijk | 2011-06-21 |