Patents
Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975)
05/1998
05/05/1998US5748072 Apparatus for fire protection
04/1998
04/29/1998EP0838795A1 Ambient condition detectors
04/29/1998EP0838794A1 Smoke detectors
04/29/1998CN1180213A Fire alarming system
04/28/1998US5745040 Outdoor alerting device for smoke alarms
04/28/1998CA2113974C Smoke alarm and air cleaning device
04/22/1998CN2279659Y Portable circulation cigarette box
04/16/1998WO1998015931A1 Method for analyzing the signals of a danger alarm system and danger alarm system for implementing said method
04/15/1998EP0836164A1 Ionization smoke detector
04/15/1998EP0658264B1 Smoke simulator for scattered light detectors, process for regulating their sensitivity to smoke and use of the simulator
04/15/1998CN2278975Y Double bus coding control module
04/08/1998EP0834845A1 Method for frequency analysis of a signal
04/08/1998EP0834209A1 Electric power distribution unit for buildings
04/07/1998US5736928 Pre-processor apparatus and method
04/02/1998WO1998007471A3 Hazard detection, warning, and response system
04/01/1998CN2277545Y 两用火灾报警器 Dual fire alarm
03/1998
03/31/1998US5734335 Forest surveillance and monitoring system for the early detection and reporting of forest fires
03/31/1998CA2167992C Networked fume hood monitoring system
03/25/1998CN1177158A Telephone net work automatic fire alarming system
03/24/1998US5731759 Combination flashlight, smoke detector and emergency alarm
03/11/1998CN2276181Y Domestic theft-proof fireproof pager alarm device
03/10/1998US5726633 Apparatus and method for discrimination of fire types
03/10/1998US5726632 Flame imaging system
03/10/1998US5726451 Scan type fire detecting apparatus
03/04/1998EP0826199A1 Electric air ionisation smoke detector
03/03/1998US5724023 Setting device for fire alarm system
02/1998
02/26/1998WO1998008205A1 Improvements relating to event detection and recordal
02/26/1998WO1998007471A2 Hazard detection, warning, and response system
02/26/1998CA2262464A1 Hazard detection, warning, and response system
02/25/1998EP0825575A1 Smoke detection system
02/17/1998US5719557 Photoelectric smoke detector
02/17/1998US5718513 Temperature-indicating device
02/17/1998CA2072157C Mobile monitoring device
02/10/1998CA2183999C Detector base
02/10/1998CA2047170C Infrared sensor suitable for fire fighting applications
02/05/1998WO1998005014A1 Improved fire detector
02/04/1998EP0822526A2 Fire detection system
02/03/1998US5715177 Terminal sensing device for a disaster prevention monitoring system
02/03/1998US5714938 Temperature protection device for air cooled electronics housing
01/1998
01/29/1998WO1998003948A1 Smoke alarm
01/29/1998WO1998003947A1 Smoke alarm
01/29/1998WO1998003946A1 Smoke warning device
01/28/1998EP0821333A1 Smoke detector
01/28/1998EP0821332A1 Smoke detector
01/28/1998EP0821331A1 Smoke detector
01/28/1998EP0821330A1 Smoke detector
01/21/1998EP0820045A2 Ionization type smoke detector
01/20/1998US5710541 Smoke/fire detector
01/14/1998EP0818766A1 Method for automatic detection of fires, particularly of forest fires
01/14/1998CN1037035C Smoke simulator for scattered light delectors, process, for regulating their sensitivity to smoke and use of the simulator
01/13/1998US5708414 Sensitivity fault indication technique implemented in smoke detector system with self-diagnostic capabilities
12/1997
12/30/1997US5703367 Human occupancy detection method and system for implementing the same
12/24/1997CN2271216Y Electronic fireproof detecter
12/17/1997EP0813178A1 Optical smoke detector
12/16/1997US5698846 Device and method for improved monitoring of clipping components within surge protection devices
12/10/1997EP0811400A1 Method and system for fire detection
12/10/1997CN2270251Y Ionic smoke concentration meter
12/09/1997US5696487 Audible fire alarm apparatus
12/03/1997EP0810568A2 Automatic fire detector
12/03/1997EP0715744B1 Method and apparatus for preventing false responses in optical detection devices
11/1997
11/25/1997US5691704 Practical and improved fire detector
11/25/1997US5691703 Multi-signature fire detector
11/25/1997US5691702 Sensor apparatus
11/23/1997CA2177086A1 Wall-mounted switch for residential 9-volt smoke detectors, and special connection with carrier
11/18/1997CA2094736C Fire detector
11/13/1997WO1997042488A1 A circuit for an optical scatter detector and method of controlling an optical scatter detector
11/13/1997WO1997042487A1 Filter integrity monitoring system
11/13/1997WO1997042486A1 The detection of airborne pollutants
11/13/1997WO1997042485A1 The detection of airborne pollutants
11/12/1997CN1164718A Monitoring apparatus
10/1997
10/21/1997US5680107 Temperature actuated spacing regulator and alarm
10/20/1997CA2174566A1 Wire securing arrangement
10/15/1997EP0800694A1 Fire detector identification
10/08/1997EP0800153A2 Smoke detecting apparatus and method
10/08/1997CN1161515A Automatic fire alarm
10/07/1997US5675246 Current flow indicator
10/01/1997EP0798683A2 Fire alarming system
09/1997
09/30/1997US5673027 Smoke detector, adjustment apparatus and test apparatus for such a smoke detector
09/30/1997US5673020 Early stage fire detecting apparatus
09/25/1997WO1997035433A1 A fire imaging system and method
09/25/1997WO1997035287A1 Electric air ionisation smoke detector
09/24/1997CN2263379Y Fire inductor
09/23/1997US5671159 Fire detecting apparatus
09/23/1997US5670948 Fire detector
09/23/1997US5670947 Light scattering smoke sensor
09/23/1997US5670946 Smoke detector sensitivity testing apparatus
09/23/1997US5670938 Fire alarm device
09/09/1997US5665924 Gas sampling point for smoke/pollution detection system
09/05/1997CA2167094A1 Double protection
09/04/1997WO1997032288A1 Process and system for flame detection
08/1997
08/27/1997EP0791817A1 In-situ particle detection utilizing optical coupling
08/27/1997CN2261049Y Smoke-adding detector special for detecting fire-disaster
08/27/1997CN2261048Y Heat-sensitive smoke-sensing compound fire-disaster alarm
08/27/1997CA2197634A1 In-situ particle detection utilizing optical coupling
08/21/1997WO1997030428A1 Method and device for de-icing an intake aperture
08/21/1997WO1997030427A1 Method and device for detecting incipient fires
08/21/1997WO1997030426A1 Method of monitoring air flow in a fire-detection device and fire-detection device for carrying out the method
08/21/1997CA2246330A1 Method and device for de-icing an intake aperture
08/19/1997US5659293 Fitting structure of address unit of fire sensor
08/19/1997US5659292 Apparatus including a fire sensor and a non-fire sensor
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