Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993532 | Method of filtration using cloth media and self-aligning backwash assembly | Peter G. Baumann, David Smith, Eugen O. Bergmann | 2011-08-09 |
| 7892421 | Stationary cloth media filtration and self-aligning backwash assembly | Peter G. Baumann, David Smith, Eugen O. Bergmann | 2011-02-22 |
| 7871527 | Processes for water and wastewater treatment, including stationary cloth media filtration | David Smith, Paul Anthony Hughes, Peter G. Baumann | 2011-01-18 |