2021
|
P/S
|
Fire and smoke detection apparatus, devices and instruments; fire and smoke detecting installatio... |
2020
|
Invention
|
Fire or smoke detector. A smoke or fire detector is described for mounting on a ceiling. A first ... |
|
Invention
|
Optical smoke detector. A smoke detector has a light sensor and a light source and operates on th... |
2019
|
Invention
|
Relay protection. A relay protection device is disclosed for use with a magnetic latching relay, ... |
2016
|
Invention
|
Smoke detector |
|
P/S
|
Fire and smoke detection apparatus, devices and instruments, namely, fire and smoke detectors; fi... |
2015
|
Invention
|
Conical light absorber for smoke detector. A smoke detector having a light source for generating ... |
|
Invention
|
Conical light absorber for smoke detector. A smoke detector comprising a light source for generat... |
2013
|
Invention
|
Wired data communications network. A wired data communications network for use in a building for ... |
2012
|
P/S
|
Fire and smoke detection apparatus, devices and instruments;
fire and smoke detecting installati... |
|
P/S
|
Fire and smoke detecting installations, namely fire and smoke detectors and parts and fittings th... |
|
P/S
|
Electrical and electronic apparatus and instruments for detecting fire, heat, smoke and toxic and... |
2010
|
Invention
|
Signal and devices for wired networks.
A signal for use on a wired network interconnecting elect... |
|
Invention
|
Fire and/or smoke detector |
2009
|
Invention
|
Signal and devices for wired networks. A signal for use on a wired network interconnecting electr... |
2008
|
Invention
|
Electrical terminal block and method of fixture. An electrical terminal block whose base has four... |
2007
|
Invention
|
Electrical terminal block |
|
P/S
|
fire protection safety apparatus and devices, namely, computerized and programmable monitoring in... |
2004
|
Invention
|
Smoke detector. A smoke detector has a light sensor positioned such that a light-receiving surfac... |
|
Invention
|
Hazard detector. A hazard detector has an electronic circuit with a start-up program for causing ... |
1999
|
Invention
|
Fire detection and alarm system with selective fire warning. A fire detection and alarm system ha... |
|
Invention
|
Mounting base for a removable head. A mounting base 3, for example, a bezel assembly, which can b... |
|
Invention
|
Detector removal signalling device. A signalling device applies a pulsating signal to supply line... |
|
Invention
|
Detecting device and an alarm system. A fire alarm system has detecting devices and alarm devices... |
|
Invention
|
Address setting means for fire detectors. A fire detector assembly comprises a base (1) and a sen... |