Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085272 | Spine fin heat exchanger and method and apparatus for producing same | — | 1992-02-04 |
| 4542568 | Apparatus for forming spine fin heat exchanger tubes | Herbert J. Venables, III | 1985-09-24 |
| 4438808 | Heat exchanger tube | Herbert J. Venables, III | 1984-03-27 |
| 4381592 | Method of producing helically wound spine fin heat exchanger | Herbert J. Venables, III | 1983-05-03 |