| 8037949 |
Pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Hans van Rijzingen, Hans Joachim Dietrich Böttger +1 more |
2011-10-18 |
| 7753138 |
Pipe running tool having internal gripper |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Hans van Rijzingen, Hans Joachim Dietrich Böttger +3 more |
2010-07-13 |
| 7699121 |
Pipe running tool having a primary load path |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Hans van Rijzingen, Hans Joachim Dietrich Böttger +3 more |
2010-04-20 |
| 7591304 |
Pipe running tool having wireless telemetry |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Hans van Rijzingen, Hans Joachim Dietrich Böttger +2 more |
2009-09-22 |
| 7510006 |
Pipe running tool having a cement path |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Hans van Rijzingen, Hans Joachim Dietrich Böttger +3 more |
2009-03-31 |
| 7096977 |
Pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Hans van Rijzingen, Dieter Boettger +1 more |
2006-08-29 |
| 6938709 |
Pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Hans van Rijzingen, Dieter Boettger +1 more |
2005-09-06 |
| 6527493 |
Handling of tube sections in a rig for subsoil drilling |
Dietrich Böttger, Gustaaf Louis van Wechem |
2003-03-04 |