Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688496 | Dosing device for bulk materials | Harald Heinrici | 2004-02-10 |
| 6568567 | Bulk-solid metering system with laterally removable feed hopper | James J. McKenzie, Harald Heinrici, Joseph E. Deklotz | 2003-05-27 |