Issued Patents All Time
Showing 1–5 of 5 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 |
| 10443761 | Method and device for trenchless pipe laying | Diana Rennkamp | 2019-10-15 |
| 10364611 | Drill head for expanding a pilot bore in order to create a borehole | Tobias GERHARDT | 2019-07-30 |
| 10081992 | Device for conveying away drillings | Tobias GERHARDT | 2018-09-25 |