Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400576 | Method for introducing a borehole into the soil and soil drilling device and use thereof | — | 2019-09-03 |
| 8016049 | Method and apparatus for installing a borehole heat exchanger in the earth | Dieter Wurm | 2011-09-13 |
| 7963723 | Overdrilling apparatus | Dieter Wurm, Udo Harer | 2011-06-21 |
| 7056065 | Device and method for changing lines | — | 2006-06-06 |
| 6772134 | Control means for a horizontal boring tool | Andreas Jacubasch, Helge-Björn Kuntze | 2004-08-03 |
| 6419029 | Drilling tool magazine | Günther Dörfler, Alexander Steck, Michael Keller, Norbert Cottone, Uwe Bräuning | 2002-07-16 |
| 6325164 | Device and method for creating bore-hole branches | — | 2001-12-04 |
| 5816748 | Method for sealing off ground sites | Klaus Kleiser, Jorg Ganger, Klaus-Dieter Bilkenroth, Ortwin Caldonazzi, Herbert Baier +2 more | 1998-10-06 |
| 5755285 | Method for decontaminating soil containing harmful substances and boring head for carrying out the method | — | 1998-05-26 |
| 5597045 | Process and tool for laying underground collector mains for liquids and gases | Ingo Sass, Klaus Kleiser, Jorg Ganger | 1997-01-28 |