| 8037949 |
Pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Herman M. Kamphorst, Hans Joachim Dietrich Böttger +1 more |
2011-10-18 |
| 7753138 |
Pipe running tool having internal gripper |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Herman M. Kamphorst, 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, Herman M. Kamphorst, Hans Joachim Dietrich Böttger +3 more |
2010-04-20 |
| 7591304 |
Pipe running tool having wireless telemetry |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Herman M. Kamphorst, 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, Herman M. Kamphorst, Hans Joachim Dietrich Böttger +3 more |
2009-03-31 |
| 7100698 |
Make-up control system for tubulars |
John Kracik |
2006-09-05 |
| 7096977 |
Pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Herman M. Kamphorst, Dieter Boettger +1 more |
2006-08-29 |
| 6938709 |
Pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem, Herman M. Kamphorst, Dieter Boettger +1 more |
2005-09-06 |
| 6845814 |
Pipe-gripping structure having load rings |
David Mason, Albert Patrick Jozef Maria de Pont, Anton Krijnen, Cornelis Wilhelmus Jacobus de Laat |
2005-01-25 |
| 6691801 |
Load compensator for a pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem |
2004-02-17 |
| 6637526 |
Offset elevator for a pipe running tool and a method of using a pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem |
2003-10-28 |
| 6443241 |
Pipe running tool |
Daniel Juhasz, George I. Boyadjieff, Brian L. Eidem |
2002-09-03 |