Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827221 | Mill classifier | Winfried Ruhkamp | 2004-12-07 |
| 6113015 | Roller mill | — | 2000-09-05 |
| 6021968 | Roller mill | Armin Neises | 2000-02-08 |
| 5622321 | Mill classifier | Michael Keyssner, Reinhard Koschorek | 1997-04-22 |
| 5607111 | Method and apparatus for crushing material of different grain size | — | 1997-03-04 |
| 5531388 | Air-swept mill | Willy Lohle | 1996-07-02 |
| 5513812 | Grinding roller | — | 1996-05-07 |
| 5244157 | Air flow rolling mill | — | 1993-09-14 |
| 5114082 | Grinding surface of rolling mills | — | 1992-05-19 |
| 4432500 | Roll mill for milling coal | Ludwig Werner | 1984-02-21 |
| 4339086 | Grinding pan bearing arrangement and drive of a roller mill | — | 1982-07-13 |
| 4235385 | Roller mill with liquid-gas suspension | — | 1980-11-25 |
| 4218023 | Grinding pan bearing arrangement and drive of a roller mill | — | 1980-08-19 |