| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Water treatment | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shepherd Jr John K | 3 |
| #2 | Foreman Iii William F | 3 |
| #3 | Boyd Carmichael | 3 |
| #4 | Foreman William | 3 |
| #5 | Carolan Adrian F | 3 |
| #6 | Dew Jr William Frederick | 2 |
| #7 | Dew William Frederick | 2 |
| #8 | Boyd Howard Carmichael | 2 |
| #9 | Foreman Iii William Frederick | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA3014589A1 | Improved methods for cleaning filtration system media | |
| US7416669B1 | Biological nutrient removal process and process control system for same | |
| US2004140256A1 | High rate filtration system |