| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Denmark | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Ireland | 2 | |
| #5 | Canada | 1 | |
| #6 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Consumer goods | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Sound-producing devices | |
| #3 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Anderson Michael | 5 |
| #2 | Mitchell Peter John | 3 |
| #3 | Judd Frederick | 2 |
| #4 | Mitchell Peter | 2 |
| #5 | Watkins Anthony | 2 |
| #6 | Watkins Antony John | 1 |
| #7 | Clegg Trevor E | 1 |
| #8 | Mitchell P J | 1 |
| #9 | Clegg Trevor Edwin | 1 |
| #10 | Watkins A J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0156474A1 | Vigilant fire alarm system | |
| GB8318158D0 | Intelligence fire alarm systems | |
| IE830095L | Electrically driven alarm bell | |
| DK188082A | Mechanically activated signaling device | |
| IE820986L | Signalling apparatus for electrical fire alarms | |
| GB2118350A | Alarm bell |