Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038994 | Apparatus for explosively welding a sleeve into a heat exchanger tube | David E. Merker | 1991-08-13 |
| 5022148 | Method for explosively welding a sleeve into a heat exchanger tube | David E. Merker | 1991-06-11 |
| 4739916 | Sleeve repair of degraded nuclear steam generator tubes | Paul S. Ayres, Louis E. Stark, Tzerong Fu | 1988-04-26 |
| 4592577 | Sleeve type repair of degraded nuclear steam generator tubes | Paul S. Ayres, Louis E. Stark, Tzerong Fu | 1986-06-03 |
| 4513903 | Method of repairing leaks in steam generator tubes | James E. Gutzwiller, Jr. | 1985-04-30 |