Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12201989 | Method of and system for operating a vertical grinding mill | Kellson Takenaka Menezes, Marlon Fábio Marques Lino, Mauro Rossi, Ricardo Coutinho | 2025-01-21 |
| 9518307 | Method for the production of a refractory filter | Friedhelm Demey, Renate Jahre, Hans Riethmann, Antonio Cassara, Raphael Neto +3 more | 2016-12-13 |
| 8802003 | Method for the production of a refractory filter | Friedhelm Demey, Renate Jahre, Hans Riethmann, Antonio Cassara, Raphael Neto +3 more | 2014-08-12 |