Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011450 | Active bottomhole pressure control with liner drilling and completion systems | Gerald Heisig, Detlef Hahn, Volker Krueger, Peter Aronstam, Harald Grimmer +2 more | 2011-09-06 |
| 7987901 | Electrical control for a downhole system | Otto N. Fanini, Matthias Moeller, Karsten Fuhst | 2011-08-02 |
| 7983113 | Method and apparatus for downlink communication using dynamic threshold values for detecting transmitted signals | Thomas Kelch, Joachim Treviranus, Henning Doerge, Marc Kurella | 2011-07-19 |