Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861200 | Apparatus for pneumatically conveying bulk material | Norbert Eberhard, Hans Hoppe | 1989-08-29 |
| 4194845 | Method and apparatus for mixing loose material | Wolfgang Krambrock | 1980-03-25 |