| 1995 |
Extending the product range by mobile cable operated trash rack cleaning systems. |
| 1995 |
Construction of the first trash rack cleaner with more than 14 m cleaning width. |
| 1995 |
Construction of the first hydraulic screening systems for waste water processing plants. |
| 1997 |
Construction of the first hydraulic counter-flow screening system for waste water processing plants. |
| 1999 |
Construction of the first hydraulic trash rack cleaner with 16 m cleaning depth. |
| 2000 |
Construction of the HYTEC CSO screen. |
| 2001 |
Patent application for the ROTEC screen. |
