Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462433 | Device for blowing preheated air into a shaft furnace | Pierre Mailliet | 1995-10-31 |
| 5209657 | Device for injecting preheated air into a shaft furnace and process of manufacturing ball-and-socket joints | Pierre Mailliet | 1993-05-11 |
| 5119743 | Device for injecting preheated air into a shaft furnace | Pierre Mailliet | 1992-06-09 |