Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740920 | Jigging screen device with pneumatic valve control | — | 1998-04-21 |
| 4832835 | Air pillow in the air chambers of a bottom pulsed jigging machine | Werner Strauss, Werner Hasse, Karl-Heinz Weiffen | 1989-05-23 |