Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10377079 | Method for producing a liner hose for lining pipes and apparatus for carrying out the method | Peter Duttenhöfer, Timo Singler | 2019-08-13 |
| 8978708 | Tubular liner for the rehabilitation of defective sewers with an integral longitudinal pull strap and reinforcing layer | Philipp Bergmann, Peter Duttenhoefer | 2015-03-17 |