| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 16 | |
| #2 | Germany | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Electrical machinery and energy | |
| #3 | Digital networks | |
| #4 | Measurement | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoyle Roger William Leslie | 9 |
| #2 | Schofield Roy Alan | 6 |
| #3 | Best David | 2 |
| #4 | Howarth Barry | 1 |
| #5 | Harrison David Randolph | 1 |
| #6 | Wright Roger Mark | 1 |
| #7 | Hudson John | 1 |
| #8 | Simes James Edward | 1 |
| #9 | Hoyle Roger W L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9303689D0 | Lighting system | |
| GB9212381D0 | An intruder detector | |
| GB9118746D0 | Intruder detector | |
| GB9104338D0 | Electronic key | |
| GB9015928D0 | Apparatus for protection of an external alarm housing | |
| GB9010393D0 | Access control | |
| GB8905802D0 | Alarm signal processing means | |
| GB8904443D0 | A secure data communication system | |
| GB8904444D0 | Secure data communication system | |
| GB8819550D0 | Intrusion detection system |