Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138697 | Hydrodynamic apparatus for cleaning channels and for monitoring channels | Hans Lutze | 2000-10-31 |
| 6089243 | Hydrodynamic tool for cleaning pipes and channels | Hans Lutze | 2000-07-18 |
| 5992432 | Hydrodynamic nozzle for cleaning pipes and channels | Hans Lutze | 1999-11-30 |