| 8650694 |
Speed regulated pipeline pig |
Rick D. Pruett, Robert F. Strong, Charles Culver Gidden Cooper, Scott Douglas Nelson, Mark Russell Henault |
2014-02-18 |
| 8378667 |
System and method for detecting the passage of an object in pipeline including shielded magnetometer and a microcontroller with adaptive thresholding detection means |
Stephen J. Miska, William J. Rankin, Matthew W. Logan, Mark G. Register, Philip M. Maltby +1 more |
2013-02-19 |
| 8316500 |
Bidirectional bristle pig with sliding collar |
Joseph Alan Morton |
2012-11-27 |
| 8251238 |
Two-piece closure device |
Dennis R. Smith, Graham Christopher Stilwell, Charles Culver Gidden Cooper, Gregory Allen Langley, Scott Douglas Nelson |
2012-08-28 |
| 8151483 |
Progressive dewatering and inhibitor dispersal rolling pig |
Charles Culver Gidden Cooper, Mark Russell Henault, Robert F. Strong |
2012-04-10 |
| 8052801 |
Pipeline pig launch pin and retraction system |
Robert F. Strong, Charles Culver Gidden Cooper, Scott Douglas Nelson, Mark Russell Henault |
2011-11-08 |
| 7546847 |
Locking plug for closing the sidewall of a pipe |
Phillip K. Morrison, Mark Morgan, Tony R. Garrison |
2009-06-16 |
| 7475591 |
Methods and systems for hydrostatic testing a pipeline |
Wade Buckley, Larry D. Payne, Kim R. Stover |
2009-01-13 |
| 7311114 |
Cross-line plugging system |
Phillip K. Morrison, Mark Morgan, Tony R. Garrison |
2007-12-25 |
| 7281543 |
Apparatus, systems and methods for plugging a high temperature pipe |
Charles D. Calkins, Tony R. Garrison, Gary Goins, Phillip K. Morrison, Gregory L. Puckett +3 more |
2007-10-16 |
| 5531250 |
Device for plugging the interior of a pipe |
David Blevins, Gene R. Ralls, Bill D. Andrew, Buddy A. Wilson, Coy D. Osburn |
1996-07-02 |