Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257877 | Kiln plant and method for manufacturing cement | — | 2001-07-10 |
| 5975891 | Method for reducing NO.sub.x emission from a kiln plant | — | 1999-11-02 |
| 5707444 | Method for controlling the temperature in a kiln | — | 1998-01-13 |
| 5614016 | Method and plant for manufacturing cement clinker | — | 1997-03-25 |