Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626220 | Bucket conveyor | Otto E. Rieger, Hans Dalferth, Zvonimir Bogdan | 1997-05-06 |
| 4842127 | Chain conveyor | — | 1989-06-27 |
| 4320620 | Arrangement for fastening a structural part to a round steel chain | Werner Rieger, Horst Elsasser, Alfred Bittlingmaier, Hans Dalferth | 1982-03-23 |