Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11560762 | Elevator locking system apparatus and methods | Frederik Stoldt, Andre Vierke | 2023-01-24 |
| 10801275 | Elevator system for supporting a tubular member | Frederik Stoldt | 2020-10-13 |
| 9976365 | Apparatus to support a tubular member | Andre Vierke, Frederik Stoldt | 2018-05-22 |