Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521117 | Arrangement for mixing a gas into a main flow of a second gas | Johannes H. W. Ouwerkerk, Wouter B. Lucieer | 1985-06-04 |
| 4390346 | Apparatus for mixing at least one additional gas into a main flow of gas | Johannes H. W. Ouwerkerk | 1983-06-28 |