Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490909 | Travelling pipe cutter | Horst Kwech | 1985-01-01 |
| 4483106 | Weld sander | Ingval Johansson | 1984-11-20 |
| 4411178 | Pipe end preparation machine | Horst Kwech | 1983-10-25 |
| 4318391 | Pile-cutting machine and method of cutting multi-sided piles | Horst Kwech | 1982-03-09 |