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NAWE's commitment to developing new and innovative technologies for engineered wetlands has led to the company contributing to a number of United States patents including several patents on Forced Bed Aeration™ wetland treatment reactors and a patent on Absorption Field Reclamation and Maintenance. We also have license agreements for tidal flow and greenhouse-based treatment system designs.
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 US 6,200,469 B1 | System for removing pollutants from water (aerated subsurface flow wetland)
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US 6,406,627 B1 | System for removing pollutants from water (aerated subsurface flow wetland) |
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US 6,652,743 B2 | System for removing pollutants from water (vertical flow wetland) |
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US 6,576,130 B2 | Absorption field reclamation and maintenance system
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US 6,811,700 | Integrated hydroponic and fixed-film wastewater treatment system and associated methods. |
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US 6,830,688 | Integrated hydroponic and wetland wastewater treatment systems and associated methods. |
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US 6,881,338 | Integrated tidal wastewater treatment system and method |
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US 6,863,816 | Tidal vertical flow wastewater treatment system and method. |
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US 6,896,805 | Tidal vertical flow wastewater treatment system and method. |
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US 7,029,586 | Flood and drain wastewater treatment system and associated methods |
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CA 2,372,331 | System and method for removing pollutants from water (Canadian patent for vertical flow wetland application) |
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