Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775278 | Emptying device for silos | Gerhard Fischer | 1988-10-04 |
| 4773808 | Emptying device for silos with telescopic fall pipe arranged in the silos | Gerhard Fischer | 1988-09-27 |
| 4721425 | Apparatus for conveying bulk material in silos | — | 1988-01-26 |
| 4248339 | Gantry scraper | Gerhard Fischer | 1981-02-03 |