| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Machines | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Unspecified technologies | |
| #3 | Separation | |
| #4 | Mixing | |
| #5 | Climate change mitigation in wastewater treatment | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Graves Jan D | 18 |
| Publication | Filing date | Title |
|---|---|---|
| US6878281B2 | Wastewater management system | |
| US6077484A | Tablet feeder for water and/or wastewater | |
| US5569376A | Flow augmenting devices for a wastewater treatment plant | |
| CA2085176A1 | Wastewater treatment mechanism | |
| US5207896A | Wastewater treatment mechanism | |
| US4608157A | Wastewater treatment plant | |
| US4505813A | Wastewater treatment plant |