Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446470 | Enhanced magnetically impelled arc butt wielding (MIAB) technology | Aret Varahram, Detlev Benedict, Joerg Lehr, Friedrich-Wilhelm Bach | 2016-09-20 |
| 9308600 | Arc guiding, gripping and sealing device for a magnetically impelled butt welding rig | Aret Varahram, Florian Baer, Sven Mitulla, Joerg Lehr, Ludger Overmeyer +3 more | 2016-04-12 |