AMERICAN FIRE PREVENTION BUREA has a total of 13 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, control and machines are CQR SECURITY COMPONENTS LTD, ASSOCIATED FIRE ALARMS LTD and MULTISAFE AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 3 | |
#3 | United Kingdom | 2 | |
#4 | France | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Control | |
#3 | Machines | |
#4 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Electric switches | |
#2 | Alarm systems | |
#3 | Locks | |
#4 | Unspecified technologies | |
#5 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Derby John H | 9 |
#2 | Collings Thomas G | 2 |
#3 | George Leach Henry | 1 |
#4 | Clayton Ernest S | 1 |
#5 | Bowden Joseph E | 1 |
Publication | Filing date | Title |
---|---|---|
US2516964A | Thermostatic circuit controlling device | |
US2174969A | Release box | |
US1868136A | Temperature responsive device | |
US1863836A | Relay | |
GB309481A | Temperature-responsive circuit controlling device | |
US1536192A | Self-supervised electric system | |
US1536191A | Electric-signal wiring system | |
GB123058A | Improvements in Thermostatic Electric Circuit Controlling Devices. | |
US1347735A | Electric-circuit thermostat | |
CA294914A | Thermostatic circuit controlling device | |
CA301402A | High-low gravity tank alarm float | |
CA315205A | Temperature responsive device |