Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9636712 | Device for sifting granular material | Harald Guenter, Thomas Hanstein, Eggert DE WELDIGE | 2017-05-02 |
| 7854406 | Air separator for comminuted materials | — | 2010-12-21 |
| 7776150 | Process and apparatus for handling synthetic gypsum | Claus Bech | 2010-08-17 |
| 4846666 | Method and burner for burning fuel | Hans Bilawa | 1989-07-11 |
| 4797091 | Method and apparatus for utilizing the heat energy of domestic and commercial refuse | — | 1989-01-10 |