Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8517290 | Installation and process for the milling-drying and storage of brown coal | — | 2013-08-27 |
| 8052077 | Method for preparing a carbon siccative for producing electrodes | Thore Möller | 2011-11-08 |
| 7316258 | Method for production of hollow bodies and grinding bodies so produced | — | 2008-01-08 |