| Patents for G08B 19 - Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow (2,746) |
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| 08/09/2000 | CN2391254Y Myopia prevention alarm |
| 08/08/2000 | US6100807 Rack protection monitor |
| 08/04/2000 | CA2260733A1 Method and apparatus for detecting a road pavement surface condition |
| 07/12/2000 | CN2387247Y Temp. controlled electronic sensing warning anti-theft door |
| 06/28/2000 | CN1053980C Wireless cluster language IR alarm system |
| 06/20/2000 | US6078269 Battery-powered, RF-interconnected detector sensor system |
| 06/20/2000 | CA2199036C Portable alarm system |
| 05/31/2000 | EP1004105A2 Method for improved operability in control systems |
| 05/30/2000 | US6069565 System for detecting ice or snow on surface which specularly reflects light |
| 05/25/2000 | WO2000022588B1 Improvements in and relating to electrical accessories |
| 05/24/2000 | EP0815546A4 Imminent icing condition enunciator |
| 05/02/2000 | US6057769 Intelligent alarm system with snow sensor |
| 04/20/2000 | WO2000022588A1 Improvements in and relating to electrical accessories |
| 04/18/2000 | US6052056 Substance detection system and method |
| 04/11/2000 | US6049273 Cordless remote alarm transmission apparatus |
| 04/05/2000 | CN2372734Y Electronic intelligent protector for baby |
| 03/28/2000 | CA2067121C Vehicular monitoring system |
| 03/22/2000 | CN2370489Y Household alarm |
| 03/01/2000 | EP0723693B1 Device for indicating ice formation |
| 03/01/2000 | CN2366909Y Human body interaction type multi-function apparatus for correcting student sitting position when reading or writing |
| 03/01/2000 | CN1049994C 移动监视装置 Mobile monitoring device |
| 02/24/2000 | DE19837050A1 Flüssigkeitsmeldeeinrichtung Liquid sensing device |
| 02/23/2000 | EP0981121A2 Fluiddetector |
| 02/23/2000 | CN2365724Y Sleeping monitoring alarmer for child |
| 02/22/2000 | CA2147462C System for detecting ice on metal surface |
| 02/16/2000 | CN1244696A Household safety and first-aid system and technology |
| 01/27/2000 | DE19934171A1 Ambient condition detector filtering apparatus for distributed fire alarm systems |
| 01/12/2000 | EP0970457A1 Device and method for detecting snow and ice |
| 01/11/2000 | US6014084 Electronic self-locating system and method |
| 01/05/2000 | CN2357378Y Multifunctional alarm |
| 12/30/1999 | DE19828751A1 Verfahren zum Schutz von an ein Autoradio angeschlossenen Komponenten Method for protecting components connected to a car radio |
| 12/30/1999 | DE19828332A1 Remote diagnosis or data input module for door or window |
| 12/29/1999 | EP0967120A2 Device for protecting components connected to a car radio |
| 12/15/1999 | CN1238506A Automatic alarm for landslide or earthquake |
| 11/04/1999 | WO1999056261A1 Programmable temperature sensor for security system |
| 10/20/1999 | CN2344821Y Reconnaissance warning device |
| 10/13/1999 | EP0850467A4 Self-locating remote monitoring systems |
| 10/13/1999 | CN2343636Y Multifunctional baby-nursing alarm |
| 10/05/1999 | US5962853 Process for determining the surface state of highways in particular, and device for carrying out this process |
| 09/29/1999 | CN2341208Y Alarm for electric power generator set of air conditioning trains |
| 09/22/1999 | CN1045228C Omnibearing anti-theft fireproof safety device |
| 09/16/1999 | DE19810692A1 Contactless measurement of films of ice or moisture on road |
| 08/11/1999 | CN2333043Y Indoor safety alarm |
| 08/05/1999 | CA2318804A1 Aircraft ice detection and de-icing using lasers |
| 07/28/1999 | CN2331038Y Warning device for use on range |
| 07/22/1999 | WO1999036891A1 Improvement to smoke alarms |
| 07/22/1999 | CA2317406A1 Improvement to smoke alarms |
| 07/14/1999 | CN2329050Y Multifunction transponder for water electricity and gas three meters and warning data collection |
| 06/30/1999 | CN2327026Y 报警器 Alarm |
| 06/23/1999 | CN2325830Y House theft-proof monitoring device |
| 06/16/1999 | EP0766815A4 Ice and liquid detector |
| 06/08/1999 | US5910771 For breathing apparatus |
| 05/12/1999 | CN2318671Y Health-care device for help student study |
| 05/11/1999 | CA2176097C Multi-sensor detection system |
| 05/06/1999 | WO1999009532A3 Method for improved operability in control systems |
| 05/04/1999 | US5900820 System and method for detection of frazil ice on underwater grating |
| 04/07/1999 | EP0857341A4 Self-locating remote monitoring systems |
| 04/07/1999 | EP0639289B1 Surveillance and alarm device for room spaces |
| 04/01/1999 | WO1999016034A1 Substance detection system and method |
| 03/31/1999 | CN2312490Y Multi-functional alarming device |
| 03/18/1999 | WO1999013295A1 Method and device for generating a signal according to a liquid film on a surface |
| 03/17/1999 | EP0902252A1 Method and apparatus for forming a signal in dependence of a liquid film on a surface |
| 02/25/1999 | WO1999009532A2 Method for improved operability in control systems |
| 02/23/1999 | US5874672 Apparatus and method for determining the existence of ice or water on a surface from the capacitance between electrodes on said surface |
| 02/10/1999 | CN2307319Y Liquid-gas double phase indicating alarm device |
| 02/10/1999 | CN2306750Y Multifunctional monitor for baby |
| 01/27/1999 | CN2305716Y Warning device for safety door |
| 01/07/1999 | EP0811155B1 Process for determining the surface state of highways in particular, and device for carrying out this process |
| 01/05/1999 | CA2109719C Hot water boiler system |
| 12/22/1998 | US5852243 Method and apparatus for detecting a road pavement surface condition |
| 12/15/1998 | US5850284 Apparatus for detecting a polarization altering substance on a surface |
| 12/09/1998 | CN2300146Y Multi-functional warning device |
| 12/02/1998 | CN1200488A Electronic self-locating system and method |
| 11/25/1998 | EP0880117A2 Building security system |
| 11/25/1998 | CN2298562Y Household multifunction automatic alarm device |
| 11/24/1998 | US5841538 Apparatus for detecting a polarization altering substance on a surface |
| 11/19/1998 | CA2237671A1 Electronic self-locating system and method |
| 11/17/1998 | US5838239 System for detecting ice or snow on surface which specularly reflects light |
| 11/04/1998 | CN1197971A Trace displaying safety system |
| 10/28/1998 | CN2296046Y Automatic safety alarm controller against inflammable and toxic gases |
| 10/28/1998 | CN1197258A Two Defence areas alarm controller |
| 10/06/1998 | US5818339 Method and apparatus for detecting ice and packed snow |
| 09/24/1998 | WO1998041958A1 Device and method for detecting snow and ice |
| 09/23/1998 | CN1193785A Alarm controller for bus addressing system |
| 09/11/1998 | WO1998039754A1 Ice detection method and apparatus for an aircraft |
| 09/03/1998 | DE19717143C1 Diagnostic system for motor vehicle braking system has diagnostic unit |
| 09/02/1998 | EP0862306A2 Device for contactless transmission of DTMF signals |
| 09/02/1998 | EP0862305A2 Device for contactless transmission of DTMF signals |
| 09/02/1998 | CN2290086Y Courtyard type accident alarm for livestock |
| 09/02/1998 | CN1192017A IC card entrance guard controller |
| 09/01/1998 | US5801647 Method and apparatus for measuring road surface conditions |
| 08/27/1998 | DE19711371C1 Einrichtung und Verfahren zur Schnee- und Eismeldung Apparatus and method for snow and Eismeldung |
| 08/18/1998 | US5796344 For determining icing conditions of a surface |
| 08/18/1998 | US5796106 Detector for detecting the presence of liquids or solids |
| 08/12/1998 | EP0857341A1 Self-locating remote monitoring systems |
| 07/21/1998 | US5783993 Electronically programmable gauge |
| 07/09/1998 | WO1998012068A3 Portable alarm system |
| 07/07/1998 | US5777551 Portable alarm system |
| 07/01/1998 | EP0850467A2 Self-locating remote monitoring systems |
| 06/30/1998 | US5773972 Transition detection circuit for detecting transitions in the state of an object of detection |