Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957698 | Downhole activatable annular seal assembly | Harald Grimmer, Sven Krueger | 2005-10-25 |
| 6913095 | Closed loop drilling assembly with electronics outside a non-rotating sleeve | — | 2005-07-05 |
| 6907944 | Apparatus and method for minimizing wear and wear related measurement error in a logging-while-drilling tool | Matthew Sale, Cornelis Huiszoon, Phillip Lawrence Kurkoski, Harald Grimmer | 2005-06-21 |
| 6891481 | Resonant acoustic transmitter apparatus and method for signal transmission | Vladimir Dubinsky | 2005-05-10 |
| 6837314 | Sub apparatus with exchangeable modules and associated method | Wolfgang E. Herberg, Gunnar Bothmann, Matthias Meister, Sven Krueger | 2005-01-04 |