| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Australia | 1 | |
| #3 | Belgium | 1 | |
| #4 | Germany | 1 | |
| #5 | France | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Machine tools | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Cleaning | |
| #2 | Pipes | |
| #3 | Testing of structures | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Geophysics | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Casey Ernest Daniel | 2 |
| #2 | Sole Lloyd H | 1 |
| #3 | Casey Ernest D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8614311D0 | Magnetic pigs | |
| GB8612348D0 | Pipeline monitoring equipment | |
| GB8425088D0 | Pipeline monitoring equipment | |
| GB1423132A | Pipeline pigs batch separators and the like | |
| GB1397542A | Travellers for use in pipelines | |
| US3673629A | Magnetic pipeline pigs |