Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776108 | Stationary cloth media filtration | Peter G. Baumann, David Smith, Eugen O. Bergmann | 2017-10-03 |
| 8387957 | Downflow mixers with gas injection devices and/or baffles | Kendra A. Copley | 2013-03-05 |
| 8329045 | Stationary cloth media filtration | Peter G. Baumann, David Smith, Eugen O. Bergmann | 2012-12-11 |
| 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 |
| 7419595 | Multiple barrier biological treatment process | Kenneth A. Mikkelson, Dennis M. Gleason, Edward W. Lang | 2008-09-02 |
| 7014763 | Multiple barrier biological treatment systems | Kenneth A. Mikkelson, Dennis M. Gleason, Edward W. Lang | 2006-03-21 |
| 6875357 | Process and apparatus for treatment of waste water | Kenneth A. Mikkelson | 2005-04-05 |
| 6858140 | Processes and devices for water and wastewater treatment, including stationary cloth media filtration | David Smith, Paul Anthony Hughes, Peter G. Baumann | 2005-02-22 |
| 6613222 | Apparatus for the treatment of waste water | Kenneth A. Mikkelson | 2003-09-02 |
| 6019898 | Weir assembly with movable baffle member | — | 2000-02-01 |