| 7642790 |
Systems and methods for testing conductive members employing electromagnetic back scattering |
Charles A. Frost |
2010-01-05 |
| 7196529 |
Systems and methods for testing conductive members employing electromagnetic back scattering |
Charles A. Frost |
2007-03-27 |
| 6472883 |
Detection of surface anomalies in elongate conductive members by pulse propagation analysis |
— |
2002-10-29 |
| 6298732 |
Method of detecting corrosion in pipelines and the like by comparative pulse propagation analysis |
— |
2001-10-09 |
| 6194902 |
Pipe testing apparatus and method using electrical or electromagnetic pulses transmitted into the pipe |
John Kuo |
2001-02-27 |
| 6072316 |
Detection of surface anomalies in elongate conductive members by pulse propagation analysis |
— |
2000-06-06 |
| 6065348 |
Method of detecting corrosion in pipelines and the like by comparative pulse propagation analysis |
— |
2000-05-23 |
| 5719503 |
Detection of surface anomalies in elongate conductive members by pulse propagation analysis |
— |
1998-02-17 |
| 5270661 |
Method of detecting a conductor anomaly by applying pulses along the conductor in opposite directions |
— |
1993-12-14 |
| 5243294 |
Methods of and apparatus for detecting the character and location of anomalies along a conductive member using pulse propagation |
— |
1993-09-07 |
| 5189374 |
Method for pulse propagation analysis of a well casing or the like by transmitted pulse interaction |
— |
1993-02-23 |
| 4970467 |
Apparatus and method for pulse propagation analysis of a pipeline or the like |
— |
1990-11-13 |