| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Sewers | |
| #3 | Unspecified technologies | |
| #4 | Earth drilling | |
| #5 | Cutting | |
| #6 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rice Nigel | 11 |
| Publication | Filing date | Title |
|---|---|---|
| GB9507003D0 | Sewer re-lining | |
| GB8907746D0 | Improvements in or relating to relining of sewers | |
| WO8904435A1 | Improvements in or relating to the re-lining of sewers | |
| AU7463687A | Lining an existing pipeline with an expandable tubular member | |
| GB8607382D0 | Lining pipes | |
| GB8409989D0 | Sewer relining | |
| GB8409988D0 | Sewer relining |