Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521978 | Heat exchanger for thermally treating a pulverulent material | — | 1985-06-11 |
| 4427377 | Installation for the dry manufacture of cement | Francis Dambrine | 1984-01-24 |
| 4392890 | Cement clinker production | Jean-Pierre Henin | 1983-07-12 |