Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498752 | Digester cover left-in-place ballast ring | Douglas N. Muller, Thomas Mangione | 2022-11-15 |
| 11453602 | Wastewater cleaning system and process | Argun Olcayto Erdogan, Nathan Antonneau | 2022-09-27 |
| 10683162 | Digester cover left-in-place ballast ring | Douglas N. Muller, Thomas Mangione | 2020-06-16 |