- US11644144utility2023Pig Launch and Recovery Apparatus and Pig Therefor0 cites
- US11560696utility2023Water Main Flushing with High Pressure Jetting0 cites
- US11555296utility2023Water Main Flushing with High Pressure Jetting and Directional Control0 cites
- US11542177utility2023Water Main Recirculating System with Filter By-pass and Isolation and Method of Using Same0 cites