| 9051810 |
Frac valve with ported sleeve |
Christopher Cuffe, Keith B. Willhelm |
2015-06-09 |
| 8757265 |
Frac valve |
Christopher Cuffe |
2014-06-24 |
| 8434936 |
Method for performing ultrasonic testing |
James Norman Barshinger, Ying Fan |
2013-05-07 |
| 7586252 |
Phosphor screen and imaging assembly |
Clifford Bueno, Steven Jude Duclos, David M. Hoffman |
2009-09-08 |
| 7506546 |
Digital log amplifier for ultrasonic testing |
Klaus-Peter Busch, Scott Allen Herbster |
2009-03-24 |
| 7389692 |
Digital log amplifier for ultrasonic testing |
Klaus-Peter Busch, Scott Allen Herbster |
2008-06-24 |
| 6016700 |
Signal processing apparatus for ultrasonic flaw detection system |
— |
2000-01-25 |
| 5596508 |
High resolution measurement of a thickness using ultrasound |
— |
1997-01-21 |
| 5511425 |
Flaw detector incorporating DGS |
Wolf-Dietrich Kleinert, Theodore L. Ballenger, Alan D. Weiner, Mark Howard Feydo |
1996-04-30 |
