Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052609 | Device for the centering and clamping of pipe workpieces | — | 1991-10-01 |
| 4867368 | Apparatus for centering and clamping pipe workpieces to be welded to one another | — | 1989-09-19 |
| 4804813 | Welding device for a cylindrical tube | — | 1989-02-14 |
| 4712720 | Device for mutually centering and clamping two pipe bodies to be welded to one another | — | 1987-12-15 |