Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11572967 | Apparatus and method for lined pipe welding | Encho Yakovchev, Johannes Straub, Roderick Sweeting, Rowan Paton | 2023-02-07 |
| 9255452 | Flush fitting pipe lining system | Oscar Zapata | 2016-02-09 |