Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11883764 | Sludge withdrawal mechanism for wasting and returning settled sludge from secondary clarifier with granular sludge | Donald J. Thiel, Jeffrey P Germait, Allen Lepak | 2024-01-30 |