German Patents
- Continuous Sand recycling During Sewer Flushing
- Rehabilitation System Main Sewer
- Rehabilitation System Main Sewer II
- Rehabilitation and Inspections Systems
- Lateral Connection Rehabilitation
European Patents
- Lateral Rehabilitation II
- Lateral rehabilitation III
- Rehabilitation Main Sewer
- Sand recycling During Sewer Flushing
US Patents
- Lateral Rehabilitation
- Main Sewer Rehabilitation