Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045009 | Rotary valve | Walter Beirle, Kurt Pfeifer | 2000-04-04 |
| 5381933 | Rotary feeder for granulated bulk material | Walter Beirle | 1995-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045009 | Rotary valve | Walter Beirle, Kurt Pfeifer | 2000-04-04 |
| 5381933 | Rotary feeder for granulated bulk material | Walter Beirle | 1995-01-17 |