| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Argentina | 2 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | Canada | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | Japan | 2 | |
| #8 | Poland | 2 | |
| #9 | Singapore | 2 | |
| #10 | Taiwan | 2 | |
| #11 | Ireland | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Unspecified technologies | |
| #3 | Hydraulic engineering | |
| #4 | Solid waste disposal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clarey Mark | 10 |
| #2 | Fuller John M | 9 |
| #3 | Mathews Donald | 9 |
| #4 | Carriker Richard W | 9 |
| #5 | Simpson Martin J | 3 |
| #6 | Simpson William J | 3 |
| #7 | Donarudo Mashiyuuzu | 1 |
| #8 | Maaku Kurarei | 1 |
| #9 | Carriker Richard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5589257A | Low permeability geosynthetic clay liner and method of manufacture thereof | |
| US5584609A | Geosynthetic clay liner and method of manufacture |