Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6994037 | Rabble arm for a furnace | Patrick Hutmacher, Serge Streitz, Emile Lonardi, Edgar Kraemer | 2006-02-07 |
| 6832564 | Method of operating a multiple hearth furnace | Patrick Hutmacher, Pascal Ferretti, Emile Lonardi | 2004-12-21 |