Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › G08B 17 - Fire alarms; Alarms responsive to explosion
Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975)
12/1998
12/15/1998US5850182 Dual wavelength fire detection method and apparatus
12/08/1998US5847653 Electric panel heat alarm with a thermally non-conductive mounting arrangement
12/03/1998WO1998054565A1 Light projection device for a photoelectric smoke sensor
12/03/1998DE19715811A1 Refuse bunker for e.g. incinerator
12/02/1998EP0881610A2 Alarm systems
12/02/1998EP0880767A1 Method and device for de-icing an intake aperture
12/02/1998EP0880766A1 Method of monitoring air flow in a fire-detection device and fire-detection device for carrying out the method
12/02/1998EP0880765A1 Method and device for detecting incipient fires
12/02/1998EP0880764A1 Multi-signature fire detector
12/02/1998EP0772855B1 Fire detection device with disruptive parameter correction
12/02/1998EP0772852B1 Improvements relating to optical smoke detectors
12/02/1998CN1200488A Electronic self-locating system and method
11/1998
11/25/1998EP0880118A2 Optical smoke detector
11/25/1998EP0880117A2 Building security system
11/24/1998US5841534 Apparatus for determining the density, size or size distribution of particles
11/19/1998CA2237671A1 Electronic self-locating system and method
11/18/1998EP0877996A2 Device for the production of an alarm and for surveillance of an area
11/18/1998EP0877995A1 Method for dynamically adjusting fire detection criteria
11/17/1998US5838242 Fire detection system using modulation ratiometrics
11/11/1998EP0877347A2 Fire alarm systems
11/11/1998EP0877345A2 Smoke sensor and monitor control system
11/04/1998CN2296546Y Integrated flame monitor
11/04/1998CN1198238A Smoke alarm
11/04/1998CN1198237A Smoke alarm
11/04/1998CN1198236A Smoke warning device
11/03/1998US5832187 Fire detection systems and methods
11/03/1998US5831537 Electrical current saving combined smoke and fire detector
11/03/1998US5831526 Atmospheric hazard detector network
11/03/1998US5831524 System and method for dynamic adjustment of filtering in an alarm system
11/03/1998US5830412 Sensor device, and disaster prevention system and electronic equipment each having sensor device incorporated therein
10/1998
10/29/1998DE19715812A1 Refuse bunker installation with fire alarm
10/28/1998EP0874340A2 Low profile ionization chamber
10/28/1998CN2296007Y Digital speech methane alarm
10/21/1998EP0679280B1 Escape route indication system
10/20/1998CA2097113C Sensitivity measuring apparatus for use with a fire detector
10/13/1998US5821866 Self-diagnosing smoke detector assembly
10/13/1998US5821865 Christmas ornament hazard detector
10/07/1998CN2293866Y Ultraviolet tube explosiveproof probe
10/06/1998US5818326 Early fire detection using temperature and smoke sensing
09/1998
09/30/1998EP0458925B1 Infrared sensor suitable for fire fighting applications
09/30/1998CN2293093Y Multifunctional infrared sensing controller
09/30/1998CN1194421A Fire alarm method and device using gas sensor
09/30/1998CN1194420A System and method for determining fire by defferent type fire sensor
09/30/1998CN1040046C 火灾报警系统 Fire Alarm System
09/29/1998US5815075 Fire dector including a non-volatile memory
09/23/1998EP0865646A1 Method for analyzing the signals of a danger alarm system and danger alarm system for implementing said method
09/23/1998CN2292219Y Pre-alarm recorder for boiler pressure container
09/23/1998CN1193545A High intellect automatically scanning positioning and alarming fire extinguisher
09/23/1998CN1039945C Setting device for fire alarm system
09/22/1998US5811811 Environment monitor
09/17/1998CA2283179A1 Switch cabinet with a fire extinguishing system
09/16/1998EP0865013A2 Fire detection method and fire detection apparatus
09/15/1998US5808556 Smoke/fire detector
09/15/1998US5808541 Hazard detection, warning, and response system
09/08/1998US5804825 Fire detector having wide-range sensitivity
09/01/1998US5801633 Combination smoke, carbon monoxide, and hydrocarbon detector
08/1998
08/26/1998CN1191361A Photodetector with coated reflector
08/25/1998US5798701 Self-adjusting smoke detector with self-diagnostic capabilities
08/25/1998US5798700 False alarm resistant fire detector with improved performance
08/13/1998WO1998026387A3 Fire and smoke detection and control system
08/11/1998US5793295 Detection apparatus and method
08/11/1998US5793293 Temperature sensing system for over-heat detection
08/05/1998EP0856827A1 Photodetector with coated reflector
08/04/1998CA2228335A1 Photodetector with coated reflector
07/1998
07/28/1998US5786756 Method and system for the prevention of false alarms in a fire alarm system
07/22/1998CN1039262C Fire receiver in fire alarm system
07/22/1998CN1039261C Failure detector for warning device
07/15/1998EP0853237A1 Sensors using detector arrays
07/15/1998EP0852779A2 Biosensor system for measuring levels of organic trace components produced by smouldering fires
07/15/1998CN1039170C Early stage fire detecting apparatus
07/14/1998US5781291 Ambient condition detector
07/09/1998WO1998029846A1 Multi-sensor detection system
07/07/1998US5777548 Fire monitoring apparatus and computer readable medium recorded with fire monitoring program
07/07/1998CA2226098A1 Dual wavelength fire detection method and apparatus
07/01/1998CN1186232A Aspirated detector
06/1998
06/30/1998US5774038 Safety monitor
06/30/1998US5773826 Flame detector and protective cover with wide spectrum characteristics
06/18/1998WO1998026387A2 Fire and smoke detection and control system
06/16/1998US5767776 Fire detector
06/16/1998US5766029 Connector for attaching and mounting an electrical device on a wall or ceiling
06/10/1998CN1184298A Smoke detectors
06/10/1998CN1184252A 携带式气体警示装置 Portable gas warning device
06/09/1998US5764149 Enhanced capabilities of smoke detectors
06/09/1998US5764142 Fire alarm system with smoke particle discrimination
06/03/1998CN1038622C Fire-alarm system for early detection of fire
05/1998
05/27/1998CN1182928A Ionization smog monitor
05/26/1998US5755250 Manifold and valve assembly for a smoke/pollution detection system
05/19/1998US5754103 Transmission line-monitoring apparatus for use in a fire alarm system
05/13/1998EP0772851B1 Fire detector comprising an analog sensor
05/13/1998EP0756703B1 Device for measuring light scatter by particles
05/13/1998CN1038368C Smoke type fire detector
05/12/1998US5751422 In-situ particle detection utilizing optical coupling
05/12/1998US5751218 Smoke detector housing for improved smoke collection
05/12/1998US5751216 Projected beam-type smoke detector and receiving unit
05/12/1998US5751215 Fire finding apparatus
05/12/1998US5751210 Synchronized video/audio alarm system
05/12/1998US5751209 System for the early detection of fires
05/07/1998DE19645321A1 Gas sensor arrangement
05/06/1998EP0772850B1 Fire detector with a non-volatile memory
05/06/1998CN2281016Y Ac./d.c. fire detecting alarm
1 ... 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 ... 110