| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | Canada | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Basic materials chemistry | |
| #3 | Chemical engineering | |
| #4 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kerfoot William | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA2441259A1 | Environmental remediation method and apparatus | |
| EP1390303A1 | Environmental remediation method and apparatus | |
| EP1174197A2 | Groundwater and subsurface remediation |