Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487591 | Carriage for a displacement hammer for positioning the displacement hammer in a launch pit, drilling system with a displacement hammer and a carriage for positioning the displacement hammer in a launch pit and a method for positioning a displacement hammer in a launch pit | Philipp Schumacher | 2019-11-26 |
| 10480246 | Percussion boring device | Franz-Josef Puttmann, Gerhard Balve | 2019-11-19 |
| 10227834 | Drive of an earth drilling device, earth drilling device, and a method for driving an earth drilling device | Sebastian Fischer, Christian Loher | 2019-03-12 |