Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4633935 | Method for the cooling of hot gaseous solids suspensions of titanium dioxide | Achim Hartmann | 1987-01-06 |
| 4569387 | Device for the cooling of hot gaseous solids suspensions | Achim Hartmann | 1986-02-11 |