| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | Canada | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Norway | 2 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Layered products | |
| #3 | Structural elements | |
| #4 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cheetham John Oldroyd | 9 |
| #2 | Cheetham John O | 5 |
| Publication | Filing date | Title |
|---|---|---|
| WO2009075587A1 | Drainage system and method for installation of drainage system | |
| CA2643336A1 | Profiled watertight building sheet and method for production of same | |
| EP1966446A1 | Water tight foundation wall sheet with a filter cloth | |
| AU1322097A | Waterproof membrane |