Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11970915 | Spider load indicator | Martin Liess | 2024-04-30 |
| 10822893 | Apparatus and methods for tong operation | Ditmar Clasen, Bjoern Thiemann | 2020-11-03 |
| 10472906 | Apparatus and methods for tong operation | Ditmar Clasen, Bjoern Thiemann | 2019-11-12 |
| 10337264 | Movable tong assembly | Jan Rothe, Bjoern Thiemann, Martin Liess | 2019-07-02 |