Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118454 | Tunnel boring device and system for the hydraulic removal of cuttings, and system for producing a stable fluid pressure for a boring fluid in the region of a cutting disk of the tunnel boring device | Tobias GERHARDT | 2021-09-14 |
| 10941624 | Drill string element | Tobias GERHARDT, Tobias Engel | 2021-03-09 |