Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825940 | Automatic process and device for cleaning a heat exchanger for gaseous fluids | Paul Barroyer, Eric Piat, Leon Bouilliez | 1989-05-02 |
| 4676303 | Heat exchanger having removable exchange surfaces | Paul Barroyer, Claude Ladent, Jean P. Wicke | 1987-06-30 |