Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366128 | Automated wellbore equipment feeding system | Joerg Lehr | 2016-06-14 |
| 9308600 | Arc guiding, gripping and sealing device for a magnetically impelled butt welding rig | Thomas Hassel, Aret Varahram, Florian Baer, Sven Mitulla, Joerg Lehr +3 more | 2016-04-12 |