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 | Joel G. Feldstein | 1991-08-13 |
| 5022148 | Method for explosively welding a sleeve into a heat exchanger tube | Joel G. Feldstein | 1991-06-11 |
| 4782206 | Method and apparatus for controlling weld bead shape to eliminate microfissure defects when shape melting austenitic materials | Paul S. Ayres, David P. Edmonds, Dennis D. Hartwig, Charles M. Weber | 1988-11-01 |
| 4672832 | Method and apparatus for tube expansion | — | 1987-06-16 |
| 4583672 | Explosive welding device | Henry Quarles Bibb, III, Louis E. Stark | 1986-04-22 |