Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366127 | Electric tong with onboard hydraulic power unit | Frank Wern, Bjoern Thiemann, Michael Wiedecke | 2025-07-22 |
| 11162308 | Tubular handling apparatus | Igor STANKOVIC, Martin Helms, Michael Schindel, Christian KIESS | 2021-11-02 |
| 10787869 | Electric tong with onboard hydraulic power unit | Frank Wern, Bjoern Thiemann, Michael Wiedecke | 2020-09-29 |
| 8752636 | Tubular handling apparatus | Martin Liess, John D. Hooker, II, Reinhard Grosch, Andreas Carlsson | 2014-06-17 |
| 8365834 | Tubular handling apparatus | Martin Liess, John D. Hooker, II, Reinhard Grosch, Andreas Carlsson | 2013-02-05 |