Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637498 | Method for biological cleaning of a contaminated gas flow | Robertus Diks, Christianus Petrus Maria van Lith | 1997-06-10 |
| 4961857 | Throttling device and method for feeding gas dissolved in liquid under high pressure into liquid under low pressure | Johannes Gerardus Wijers | 1990-10-09 |
| 4806148 | Apparatus for biological treatment of waste gases | — | 1989-02-21 |
| 4662900 | Method for biological treatment of waste gases | — | 1987-05-05 |