| 9784041 |
Drilling rig riser identification apparatus |
Nathan Kinert, Leon Ellison, Rheinhold Kammann, Manfred Worms, Guy L. McClung, III |
2017-10-10 |
| 9170089 |
System and method for measuring pipe |
Kevin D. Logan, Andres Rodriguez, Claudio Aguirre |
2015-10-27 |
| 8196472 |
Ultrasonic probe apparatus, system, and method for detecting flaws in a tubular |
Yanming Guo, Qingshan Yuan |
2012-06-12 |
| 8166823 |
Membrane-coupled ultrasonic probe system for detecting flaws in a tubular |
Yanming Guo, Kevin D. Logan, Qingshan Yuan |
2012-05-01 |
| 8016037 |
Drilling rigs with apparatus identification systems and methods |
Robert Bloom, Leon Ellison, Reinhold Kammann, Manfred Worms, Guy L. McClung, III |
2011-09-13 |
| 7958715 |
Chain with identification apparatus |
Nathan Kinert, Leon Ellison, Reinhold Kammann, Manfred Worms, Guy L. McClung, III |
2011-06-14 |
| 7946356 |
Systems and methods for monitored drilling |
William L. Koederitz, Michael Porche, Graham Watson, Aaron C. Cooke, Leon Ellison +3 more |
2011-05-24 |
| 7484625 |
Shale shakers and screens with identification apparatuses |
Eric Scott, Leon Ellison, Reinhold Kammann, Manfred Worms, Guy L. McClung, III |
2009-02-03 |
| 7159654 |
Apparatus identification systems and methods |
Leon P. Ellison, Reinhold Kammann, Manfred Worms, Guy L. McClung, III |
2007-01-09 |
| 6931748 |
Riser and tubular inspection systems |
Manfred Worms, Helmut Knapwost, Bernd Helmut Dobberstein, Reinhold Kammann, Matthias Janssen |
2005-08-23 |
| 6862099 |
Tubular ovality testing |
Manfred Worms, Helmut Knapwost, Bernd Helmut Dobberstein |
2005-03-01 |
| 6772636 |
Pipe flaw detector |
Gregory Michael Vaselakos |
2004-08-10 |
| 6748808 |
Flaw detection in tubular members |
Joseph Gregory Kemper, Antonio Manocchio |
2004-06-15 |
| 6745136 |
Pipe inspection systems and methods |
John E. Harris |
2004-06-01 |
| 6622561 |
Tubular member flaw detection |
Joseph Gregory Kemper, Antonio Manocchio |
2003-09-23 |
| 6578422 |
Ultrasonic detection of flaws in tubular members |
Joseph Gregory Kemper |
2003-06-17 |
| 5855513 |
Electronic matching and position game |
— |
1999-01-05 |
| 5672108 |
Electronic game with separate emitter |
Ralph F. Osterhout |
1997-09-30 |
| 5534775 |
Method and apparatus for noncontact magnetic particle stray magnetic flux testing of cylindrical members |
William W. Curtis, Jr., Roy C. Grubbs |
1996-07-09 |
| 5043663 |
Method and apparatus for detecting angular defects in a tubular member |
— |
1991-08-27 |
| 5030911 |
Method and apparatus for displaying defects in tubular members on a two-dimensional map in a variety of display modes |
— |
1991-07-09 |
| 4792756 |
Method and apparatus for measuring axially extending defects in ferromagnetic elements |
Marvin Milewits, James E. Bradfield |
1988-12-20 |
| 4710712 |
Method and apparatus for measuring defects in ferromagnetic elements |
James E. Bradfield, John E. Kahil, Mark S. Jaynes, Gordon L. Moake, Marvin Milewits +2 more |
1987-12-01 |
| 4636727 |
Method and apparatus for detecting the location of defects in tubular sections moving past a well head |
John E. Kahil, Marvin Milewits, James E. Bradfield |
1987-01-13 |
| 4629985 |
Method and apparatus for measuring defects in tubular members |
Stylianos Papadimitriou |
1986-12-16 |