BP

Bernd-Georg Pietras

WE Weatherford/Lamb: 64 patents #2 of 852Top 1%
SL Shell Research Limited: 2 patents #22 of 163Top 15%
WG Weatherford Oil Tool Gmbh: 1 patents #2 of 5Top 40%
Overall (All Time): #30,355 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 1–25 of 69 patents

Patent #TitleCo-InventorsDate
8863822 Control line running system Doyle Fredric Boutwell, Jr., Karsten Heidecke, Kevin Wood 2014-10-21
8776898 Apparatus and methods for wedge lock prevention Martin Liess 2014-07-15
8708055 Apparatus and methods for wedge lock prevention Martin Liess 2014-04-29
8496280 Remotely operated single joint elevator 2013-07-30
8485269 Control line running system Doyle Frederic Boutwell, Jr., Karsten Heidecke, Kevin Wood 2013-07-16
8485067 Tubular joint detection system Martin Liess 2013-07-16
8359951 Wrenching tong Andreas Carlsson, Jorg Erich Schulze-Beckinhausen 2013-01-29
8356675 Apparatus and methods for tubular makeup interlock Egill Abrahamsen 2013-01-22
8281856 Torque sub for use with top drive Michael Jahn, Karsten Heidecke 2012-10-09
8281877 Method and apparatus for drilling with casing David Shahin, Jeff Habetz, David M. Haugen, Gary Thompson, Jimmy L. Hollingsworth +1 more 2012-10-09
8215687 Remotely operated single joint elevator Kevin Wood, Karsten Heidecke, John D. Hooker, II, Martin Helms, Martin Liess 2012-07-10
8191641 Control line running system Doyle Frederic Boutwell, Jr., Karsten Heidecke, Kevin Wood 2012-06-05
8132626 Methods and apparatus for connecting tubulars using a top drive 2012-03-13
8079796 Apparatus for delivering a tubular to a wellbore 2011-12-20
8047283 Torque sub for use with top drive Michael Jahn, Karsten Heidecke 2011-11-01
7967073 Control line running system Doyle Frederic Boutwell, Jr., Karsten Heidecke, Kevin Wood 2011-06-28
7921750 Power tong frames 2011-04-12
7874352 Apparatus for gripping a tubular on a drilling rig Albert C. Odell, II, Richard L. Giroux, Tuong Thanh Le, Gary Thompson, Karsten Heidecke +3 more 2011-01-25
7861618 Wrenching tong Andreas Carlsson, Jorg Erich Schulze-Beckinhausen 2011-01-04
7757759 Torque sub for use with top drive Michael Jahn, Karsten Heidecke 2010-07-20
7707914 Apparatus and methods for connecting tubulars Martin Liess 2010-05-04
7669662 Casing feeder 2010-03-02
7665531 Apparatus for facilitating the connection of tubulars using a top drive 2010-02-23
7617866 Methods and apparatus for connecting tubulars using a top drive 2009-11-17
7552775 Tailing in and stabbing device and method 2009-06-30