Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9176108 | Method and device for measuring corrosion metal loss | Hegeon Kwun | 2015-11-03 |
| 7913562 | Flexible plate magnetostrictive sensor probe for guided-wave inspection of structures | Hegeon Kwun, Albert J. Parvin | 2011-03-29 |
| 7683611 | Pipeline inspection using variable-diameter remote-field eddy current technology | Gary L. Burkhardt, Alfred E. Crouch, Albert J. Parvin, Todd Goyen, Richard Franklin Tennis | 2010-03-23 |
| 7610791 | Time-gain control method and system for long-range guided-wave inspection and monitoring | Hegeon Kwun | 2009-11-03 |
| 6836735 | Method and system for injecting virtual flaw signals into a nondestructive test system | Gary L. Burkhardt, Jay L. Fisher | 2004-12-28 |
| 5892162 | Apparatus and method for inspection of pipes and tubes using guided wave probe | Robert L. Spinks, Jr., Joseph W. Brophy | 1999-04-06 |
| H1793 | Thermal transient test system | Keith S. Pickens | 1999-04-06 |
| 4322831 | Programmed digital secondary clock | — | 1982-03-30 |