| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Australia | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Canada | 2 | |
| #5 | Denmark | 2 | |
| #6 | Spain | 2 | |
| #7 | United States | 2 | |
| #8 | Brazil | 1 | |
| #9 | Finland | 1 | |
| #10 | Hong Kong | 1 | |
| #11 | Norway | 1 | |
| #12 | New Zealand | 1 | |
| #13 | Singapore | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Measurement | |
| #3 | Control | |
| #4 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Radio navigation | |
| #2 | Data recognition and presentation | |
| #3 | Alarm systems | |
| #4 | Antennas | |
| #5 | Registering devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Creswick Martin | 10 |
| #2 | Wood David Harold | 8 |
| #3 | Jordan Gary Victor | 4 |
| #4 | Curtis Stephen Philip | 4 |
| #5 | Hook Christopher Derek | 3 |
| #6 | Jordan Gary V | 2 |
| #7 | Curtis Stephen P | 2 |
| #8 | Denne Phillip Raymond Michael | 2 |
| #9 | Wood David H | 2 |
| #10 | Denne Philip Raymond Michael | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4679046A | Transponder systems | |
| GB8408538D0 | Transmitter-responder systems | |
| ZA8209121B | Transmitter/responder systems | |
| GB2112607A | Transmitter/responder systems |