Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |