| Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975) |
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| 07/13/1993 | US5227640 Apparatus for detecting a flame using weighted time intervals |
| 07/13/1993 | US5227632 Optical radiation detector with wide field-of-view |
| 07/08/1993 | WO1993013504A1 Escape route indication system |
| 07/08/1993 | WO1993013401A1 Multi-channel gas sample chamber |
| 07/08/1993 | CA2127106A1 Multi-channel gas sample chamber |
| 07/07/1993 | EP0549888A1 Fire detector |
| 07/06/1993 | US5225810 Fire detector for discriminating smoke and flame based on optically measured distance |
| 06/30/1993 | EP0535102A4 Gaseous fluid aspirator or pump |
| 06/30/1993 | CN1073768A 甲烷传感器 Methane sensor |
| 06/29/1993 | US5222389 Multi-channel gas sample chamber |
| 06/10/1993 | WO1993011524A1 Fire escape system |
| 06/09/1993 | EP0544956A1 Fire detector circuitry |
| 06/08/1993 | US5218347 Apparatus for detecting hazardous gases |
| 06/08/1993 | US5218345 Apparatus for wide-area fire detection |
| 05/27/1993 | DE4138242A1 Portable photometric device for rapid gas analysis during fires - has number of channels for simultaneous determn. of light intensity in number of wavelength regions, display elements, etc. |
| 05/26/1993 | WO1993011418A1 Improved gas sample chamber |
| 05/26/1993 | CN2134565Y Automatic close device of acoustooptic alarm for gas leakage |
| 05/26/1993 | CN1072479A Automatic closing and alarm controller for leakage of harmful gas |
| 05/18/1993 | US5212470 Supervised fire alarm system |
| 05/11/1993 | US5210523 Fire detection system |
| 04/29/1993 | WO1993008550A1 Fire detector and a method of detecting a fire |
| 04/29/1993 | WO1993008461A1 Improvements relating to a sampling chamber for a pollution detector |
| 04/18/1993 | WO1993008549A1 Fire-detecting device |
| 04/13/1993 | CA1316234C Fire detecting system |
| 04/07/1993 | EP0535102A1 Gaseous fluid aspirator or pump. |
| 04/01/1993 | WO1993006575A1 Night light |
| 04/01/1993 | WO1993006462A1 Smoke and particle detector |
| 03/30/1993 | US5198801 Low amperage dual sensing fire detector |
| 03/24/1993 | EP0233294B1 Frame assembly of a photoelectric smoke sensor |
| 03/23/1993 | US5196830 Apparatus for supervising objects with regard to overheating |
| 03/17/1993 | CN1020085C Ground transaucer and mfg. method thereof |
| 03/10/1993 | EP0530723A1 Optical smoke detector with active monitoring |
| 03/10/1993 | CN1020055C Simple fire detector |
| 03/09/1993 | US5191855 Battery missing indicator |
| 03/07/1993 | CA2077707A1 Optical smoke detector with active self-monitoring |
| 03/03/1993 | EP0530012A1 Heat-detector cable installations and cables for use in them |
| 02/24/1993 | EP0528377A2 Preprocessor for detection of punctiform sources in infrared scenarios |
| 02/23/1993 | US5189631 Smoke density monitor system |
| 02/23/1993 | US5189399 Method of operating an ionization smoke alarm and ionization smoke alarm |
| 02/23/1993 | US5189398 Flame detecting and alarming system with ultraviolet sensor |
| 02/22/1993 | CA2076567A1 Preprocessor for detection of punctiform sources in infrared scenarios |
| 02/18/1993 | DE4127004A1 Early fire detection arrangement - contains combination of sensors, microprocessor-controlled signal evaluation unit, fuzzy logic or neural network to avoid false alarms |
| 02/16/1993 | US5186653 Smoke alarm remote disconnect |
| 02/13/1993 | CA2075397A1 Fire protection system for rural unheated structures |
| 02/10/1993 | EP0526898A1 Threshold determination apparatus and method |
| 02/09/1993 | US5185594 Temperature sensing cable device and method of making same |
| 02/08/1993 | CA2075260A1 Threshold determination apparatus and method |
| 01/27/1993 | CN1068437A 移动监视装置 Mobile monitoring device |
| 01/26/1993 | US5182542 Smoke alarm and air cleaning device |
| 01/21/1993 | WO1993001572A1 Smoke alarm and air cleaning device |
| 01/14/1993 | DE4221833A1 Early stage fire detector using heat imaging - achieved by gp. of pyroelectric type elements suspended from ceiling |
| 01/13/1993 | EP0522200A2 Mobile monitoring device |
| 01/06/1993 | CA2072857A1 Disaster preventing detection apparatus with thermal image detecting means |
| 01/05/1993 | US5177461 Warning light system for use with a smoke detector |
| 12/23/1992 | WO1992022812A1 Method and device for measuring the smoke concentration in air |
| 12/22/1992 | US5173683 Apparatus and method for multiplexing multiple data and analog values in a peripheral device |
| 12/15/1992 | US5172099 Self monitoring fire detection system |
| 12/15/1992 | US5172096 Threshold determination apparatus and method |
| 12/09/1992 | CN2124473U Optical fibre type co detecting and alarm device |
| 12/01/1992 | US5168262 Fire alarm system |
| 11/25/1992 | CN2123102U Automatic fire-extinguishing and alarm device for easily firing stockings |
| 11/19/1992 | DE4115808A1 Heated tin oxide semiconductor sensor for combustible or toxic gases - has circuit fitted in two=piece installation housing with contact being made by pins on underside of circuit inserted into socket holes of multi-connector |
| 11/17/1992 | US5164604 Multiport particle detection apparatus utilizing a plenum having a plurality of spatically separate channels in fluid combination |
| 11/17/1992 | US5163332 For transmitting radiation |
| 11/14/1992 | CA2042411A1 Prevention 2000 |
| 11/12/1992 | WO1992019955A1 Smoke detector apparatus |
| 11/10/1992 | US5162658 Thermal detection arrangement having a plurality of optical filter devices |
| 11/08/1992 | CA2041986A1 Color graphics terminal for monitoring an alarm system |
| 11/04/1992 | EP0511582A1 Device for detecting atmospheric impurities |
| 11/04/1992 | EP0460066A4 Method and apparatus for detecting airborne allergen particulates |
| 11/03/1992 | US5160916 Ionization type smoke sensor |
| 11/03/1992 | US5160842 Infrared fire-perimeter mapping |
| 11/03/1992 | US5160294 Spacer rack for smoke detection |
| 10/30/1992 | CA2067287A1 Device for detecting atmospheric impurities |
| 10/27/1992 | US5159315 Communication system with environmental condition detection capability |
| 10/27/1992 | US5159200 Detector for sensing hot spots and fires in a region |
| 10/15/1992 | DE4140351A1 Light sensitive smoke detector for building or house - increases triggering threshold when ambient light is present using series resistors and light-sensitive element |
| 10/14/1992 | EP0508832A1 Methods and apparatus for temperature sensing |
| 10/07/1992 | EP0231390B1 Assembly for mounting light-emitting element and light-receiving element in photoelectric smoke sensor |
| 10/06/1992 | US5153722 Fire detection system |
| 10/06/1992 | US5153567 Alarm kit apparatus |
| 10/06/1992 | US5153563 Fire sensing system, process for sensing fire and environment monitor |
| 10/06/1992 | US5153520 Identifying and quantifying the presence of alpha radiation and specific gaseous molecules present in air samples |
| 10/01/1992 | DE4209448A1 Fotoelektrischer rauchanzeiger Photoelectric smoke Gazette |
| 09/30/1992 | EP0505399A1 Control system for fire alarm installations with peripheral fire protection devices and a central fire alarm system |
| 09/30/1992 | CN2117637U Gas alarm |
| 09/29/1992 | US5151683 Power supply control device in fire alarm system |
| 09/23/1992 | CN2116858U Circuit device of fume and oil exhauster |
| 09/22/1992 | US5149038 Mounting device for smoke alarm |
| 09/16/1992 | EP0503971A1 Pneumatic pressure detector |
| 09/09/1992 | WO1992015973A1 Early warning reactive gas detection system |
| 09/08/1992 | US5146209 Self-contained apparatus for emergency lighting incorporating alarm systems for fire, gas and the like |
| 09/02/1992 | EP0501253A1 Apparatus for detecting fires in a wide area, particularly forest fires |
| 09/01/1992 | US5144125 Fiber optic based fire detection and tracking system |
| 08/25/1992 | CA1306778C Remote switching device for smoke detector |
| 08/20/1992 | WO1992014223A1 Detector with indicator light |
| 08/20/1992 | WO1992014128A1 Temperature sensor |
| 08/11/1992 | US5138562 Environmental protection system useful for the fire detection and suppression |
| 08/11/1992 | US5138302 Photoelectric, scattered light smoke detector |
| 08/05/1992 | CN2111997U Temp sensitive fire alarm glass window |