Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7617603 | Method for inspection and repair | David Wayne Gandy, Greg Frederick, Rich Tilley | 2009-11-17 |
| 7591410 | Methods for extending the life of alloy steel welded joints by elimination and reduction of the HAZ | David Wayne Gandy, Ramaswamy Viswanathan | 2009-09-22 |
| 7562807 | Weld filler for welding dissimilar alloy steels and method of using same | David Wayne Gandy, Ramaswamy Viswanathan, William Newell | 2009-07-21 |
| 7547859 | Method for repairing heat recovery steam generator tube-to-header damage | David Wayne Gandy, Greg Frederick | 2009-06-16 |
| 7371988 | Methods for extending the life of alloy steel welded joints by elimination and reduction of the HAZ | David Wayne Gandy, Ramaswamy Viswanathan | 2008-05-13 |
| 6596957 | Method and apparatus and prefabricated replacement tube for localized waterwall repair | David Wayne Gandy, James W. Hales, William Newell, Gregory J. Frederick, Richard M. Tilley | 2003-07-22 |