Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634949 | Percussion boring device and method for reversing a percussion boring device | Gerhard Balve | 2023-04-25 |
| 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 |
| 9581281 | Device for inserting a new pipe into an old pipe by means of a self-driven impact device | Christian Loher | 2017-02-28 |
| 9243456 | Earth drilling device | Franz-Josef Puttmann, Peter Grass, Meinolf Rameil | 2016-01-26 |
| 9206682 | Boring element for a ground boring device | Franz-Josef Puttmann, Peter Grass, Andreas Riekes, Frank Prutti | 2015-12-08 |
| 9151151 | Method for localizing a drilling device of an earth drilling apparatus | — | 2015-10-06 |
| 8240638 | Rod assembly driver | Franz-Josef Puttmann, Frank Prutti, Sebastian Leier | 2012-08-14 |
| 7717196 | Angle drilling device | Daniel Schmelter | 2010-05-18 |
| 7337859 | Method and device for drilling a channel | Andreas Riekes | 2008-03-04 |
| 7316280 | Method for producing earth boreholes | — | 2008-01-08 |
| 7182158 | Drilling device comprising a rotational drive | — | 2007-02-27 |
| 5954209 | Boring rod magazine | Dieter Wurm | 1999-09-21 |