Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779944 | Clamping device for aligning and clamping two pipe ends | — | 2004-08-24 |
| 5217156 | Device for hindgas coverage in tube welding | — | 1993-06-08 |
| 5126526 | Device for hindgas coverage in tube welding | — | 1992-06-30 |
| 4956537 | Method for hindgas coverage in arc welding and hindgas device for carrying-out the method | — | 1990-09-11 |