Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666945 | Preparation of an end of a thermoplastics tube manufactured by spirally winding a hollow profile | Gunnar Blomqvist, Stefan Slotte | 2003-12-23 |
| 6322653 | Method for joining spiral wound pipes | Gunnar Blomqvist, Stefan Slotte | 2001-11-27 |