| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Venting or aerating devices | |
| #3 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Enston Robert Peter | 7 |
| #2 | Robert Peter Enston | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB202012710D0 | Improvements in pipeline networks | |
| GB201702987D0 | Pipeline apparatus with releasably lockable device | |
| GB201414304D0 | Apparatus and method for retrieving components from a pipeline under pressure | |
| AU2013298286A1 | Improved pipeline apparatus |