Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5984001 | Tapered split ring shell closure | — | 1999-11-16 |
| 5472047 | Mixed finned tube and bare tube heat exchanger tube bundle | — | 1995-12-05 |
| 5449037 | Heat exchanger tube spacer, separator, and support | — | 1995-09-12 |
| 4909548 | Compound-taper flange assembly | — | 1990-03-20 |
| 4861077 | Trapezoidal seal ring connection | — | 1989-08-29 |
| 4840409 | Swivel flow line connector | — | 1989-06-20 |
| 4840410 | Apparatus for making a swiveled flow line connection | — | 1989-06-20 |