| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 2 | |
| #3 | Australia | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Ireland | 1 | |
| #7 | Norway | 1 | |
| #8 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Basic materials chemistry | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clem Arthur James | 5 |
| #2 | Clem Arthur J | 3 |
| #3 | Clarey Mark | 1 |
| #4 | Carriker Richard W | 1 |
| #5 | Clem Arthur George | 1 |
| #6 | Simpson William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5529438A | Geosynthetic clay liner with modified edges for improved sealing | |
| US4927297A | Leak prevention structure, method and apparatus | |
| US4501788A | Waterproofing soil | |
| CA1187748A | Waterproofing soil |