| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | Hong Kong | 5 | |
| #3 | United States | 5 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Australia | 1 | |
| #6 | Japan | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Testing of structures |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roy Keith John | 17 |
| #2 | Williams Andrew John | 6 |
| #3 | Smith Brynley Dean | 3 |
| #4 | Brown Ian Jesse | 3 |
| #5 | Smith Brynley D | 1 |
| #6 | Roy Keith J | 1 |
| #7 | Keith John Roy | 1 |
| #8 | Williams Andrew J | 1 |
| #9 | Brown Ian J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0015588D0 | A leak detection apparatus and method | |
| GB0000097D0 | Determining the position of a signal from a pipe | |
| JP2000310399A | Detection of leakage of pipe | |
| GB0116254D0 | Detecting leaks in pipes | |
| GB9623370D0 | Leak locating in oil-filled cables | |
| GB9619789D0 | Leak noise correlator |