Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9376873 | Handling device for drill rods and so-called top drive having such a handling device | Heiko Schmidt, Gerhard Groβe Veldmann | 2016-06-28 |
| 6857483 | Drilling device and method for drilling a well | Thorsten Dirks | 2005-02-22 |