Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7235178 | Process and assembly for the treatment of waste water on ships | Holger Hamann | 2007-06-26 |
| 7198713 | Installation for the removal and the deactivation of organisms in the ballast water | Holger Hamann | 2007-04-03 |