Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |