Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662994 | Jig for welding pipe ends | — | 2003-12-16 |
| 5944247 | Protective device for seam being welded | — | 1999-08-31 |
| 5235152 | Device for flooding a weld seam between two pipes to be welded with gas | — | 1993-08-10 |
| 5001868 | Apparatus for grinding a point on a tungsten electrode | Andreas Hornung | 1991-03-26 |
| 4918280 | Clamping sleeve for burner electrodes, especially for tig burners | — | 1990-04-17 |