| 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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| 03/21/1995 | US5398547 Apparatus for measuring ice distribution profiles |
| 03/21/1995 | CA1334858C Security and alarm system |
| 02/28/1995 | US5393978 Infrared detectors having front and rear fields of view |
| 02/22/1995 | EP0639289A1 Surveillance and alarm device for room spaces |
| 02/15/1995 | EP0420836B1 Improved monitoring methodology |
| 11/30/1994 | EP0596076A4 Travel convenience and security device. |
| 11/30/1994 | EP0396590B1 Procedure and device for protection against disasters and pollution |
| 11/02/1994 | EP0621972A1 Alarm sensor |
| 11/02/1994 | CN1094550A Remote-control target automatic tracking device |
| 10/19/1994 | CN2179989Y Multi function alarm |
| 10/18/1994 | US5357441 Moisture content measuring apparatus and method |
| 10/05/1994 | EP0617823A1 A system and method for automatically controlling a space |
| 10/05/1994 | EP0617822A1 System and method for controlling conditions in a space. |
| 09/15/1994 | WO1994020819A1 Method of and apparatus for measuring ice distribution profiles |
| 09/15/1994 | CA2158030A1 Method of and apparatus for measuring ice distribution profiles |
| 09/06/1994 | US5345223 Snow sensor |
| 08/03/1994 | EP0472668B1 Process for determining the condition of a road surface |
| 07/21/1994 | WO1994015818A1 Automotive security system with discrimination between tampering and attack |
| 05/17/1994 | US5313202 Method of and apparatus for detection of ice accretion |
| 05/11/1994 | EP0596076A1 Travel convenience and security device |
| 05/03/1994 | US5309146 Room occupancy indicator means and method |
| 05/03/1994 | US5309145 Travel convenience and security device |
| 05/03/1994 | CA1329248C Control system for industrial plant |
| 04/28/1994 | WO1994009463A1 System for detecting ice on metal surface |
| 04/21/1994 | DE4300896C1 Road surface characteristics evaluation system - uses reflection of IR beam directed onto road surface at Brewster angle. |
| 04/21/1994 | DE4235104A1 Road condition detecting unit identifying state of road surface lying before moving motor vehicle - uses two adjustable light transmitting and receiving systems at different angles of elevation and supplying evaluation circuit correlating receiver signals |
| 04/20/1994 | CN1085675A Alarming system attachable to closed-circuit television network |
| 03/17/1994 | WO1994006035A1 Snow sensor |
| 03/17/1994 | CA2143298A1 Snow sensor |
| 02/01/1994 | US5283549 Infrared sentry with voiced radio dispatched alarms |
| 01/05/1994 | CN2152256Y Portable alarm for environment comprehensive inspection |
| 12/15/1993 | CN1079556A Travel convenience and security device |
| 12/09/1993 | DE4235809C1 Vehicle sensor system for detecting surface water on road - uses base-plate with acceleration sensor at rear detecting impact of surface water thrown up by adjacent vehicle wheel |
| 12/02/1993 | DE4217710A1 Continuous detection of slippery winter road surfaces - determining and comparing driving parameters and boundary conditions for motor car |
| 11/11/1993 | WO1993022755A1 Surveillance and alarm device for room spaces |
| 11/11/1993 | WO1993022752A1 Travel convenience and security device |
| 11/11/1993 | CA2112680A1 Travel convenience and security device |
| 10/27/1993 | EP0490990A4 Vehicular monitoring system |
| 10/06/1993 | EP0563174A1 Ice detector |
| 09/08/1993 | EP0559270A1 Access system for managing a set of geographically distributed premises |
| 09/01/1993 | EP0374161B1 Ice detector probe |
| 08/25/1993 | CN2141103Y Multi-purpose five-functional message reporter for household |
| 08/18/1993 | CN1075369A System and method for controlling conditions in a space |
| 08/05/1993 | DE4202691A1 Measuring weather-dependent road conditions - comparing data from evaluated microwave reflection with stored reference data to determine state of road surface |
| 07/22/1993 | WO1993014479A1 Alarm sensor |
| 07/21/1993 | EP0551496A1 Integrated safety monitoring and alarm system |
| 07/08/1993 | WO1993013507A1 A system and method for automatically controlling a space |
| 07/08/1993 | WO1993013506A1 System and method for controlling conditions in a space |
| 07/08/1993 | CA2126219A1 A system and method for automatically controlling a space |
| 07/08/1993 | CA2116864A1 System and method for controlling conditions in a space |
| 07/07/1993 | CN2137803Y Indoor safety monitoring device |
| 06/08/1993 | US5218206 Method for determining the condition of a roadway surface |
| 05/05/1993 | CN2132228Y Multifunction safety lamp with alarm |
| 04/27/1993 | US5206806 Smart skin ice detection and de-icing system |
| 04/21/1993 | CN1071228A Automatic starting circuit structure of automotive two-track telecontrol engine |
| 04/14/1993 | CN2129952Y Multifunction alarm device |
| 03/16/1993 | US5195046 Method and apparatus for structural integrity monitoring |
| 03/09/1993 | US5191791 Piezoelectric sensor |
| 02/25/1993 | DE4141446C1 Measuring thickness of layer of water, snow or ice - evaluating reflected EM radiation directed at inclined angle from above surface e.g. road |
| 02/24/1993 | CN2127507Y Safety programme control anti-theft alarm device |
| 02/23/1993 | US5187980 Detecting the adhesion of a solid material to a particular surface |
| 02/17/1993 | CN2127195Y Multi-functional omnibearing alarm |
| 02/16/1993 | CA1313702C Communication and energy control system for houses |
| 02/13/1993 | CA2075397A1 Fire protection system for rural unheated structures |
| 02/07/1993 | WO1993003465A1 Integrated safety monitoring and alarm system |
| 01/27/1993 | CN1068437A 移动监视装置 Mobile monitoring device |
| 01/20/1993 | CN1068206A Alarm device with vibration and temperature indications |
| 01/19/1993 | US5181010 Automotive security system with discrimination between tampering and attack |
| 01/13/1993 | EP0522200A2 Mobile monitoring device |
| 12/16/1992 | CN2125167U Breakdown alarm for fishing vessel diesel engine |
| 12/16/1992 | CN2125166U Multifunctional electronic safety alarm |
| 12/10/1992 | WO1992022046A1 Infrared sentry with voiced radio dispatched alarms |
| 11/24/1992 | US5165465 Room control system |
| 10/21/1992 | EP0494226A4 Adaptive ice detector circuit |
| 10/21/1992 | CN2119692U Multifunctional intelligent alarm with electronic clock |
| 10/20/1992 | US5157378 For use with a firefighter's breathing system |
| 09/16/1992 | CN2116256U Multifunctional alarm |
| 08/26/1992 | CN2114196U Micropower electronic alarm |
| 08/20/1992 | WO1992014225A1 Remote setting of alarm systems |
| 08/18/1992 | US5140135 Adaptive ice detector circuit |
| 07/22/1992 | CN2110900U Alarm for mixing water or low-level of diesel oil |
| 07/15/1992 | EP0494226A1 Adaptive ice detector circuit. |
| 07/09/1992 | WO1992011616A1 Ice detector |
| 07/01/1992 | CN2108969U Multifunctional alarm |
| 06/24/1992 | EP0490990A1 Vehicular monitoring system. |
| 06/13/1992 | CA2032018A1 Alarm system |
| 05/05/1992 | CA1300246C Ice detector probe |
| 04/28/1992 | CA1299660C Tag for use with personnel monitoring system |
| 04/22/1992 | EP0481315A2 Procedure and device to detect the presence of snow and ice |
| 04/02/1992 | DE4029615A1 Road condition data detection appts. - has sensors in block consisting of two hollow cylinders with sealing o-rings at joint and embedded in road surface |
| 03/31/1992 | US5101191 Electrical and communication system capable of providing uninterruptable power in a house |
| 03/18/1992 | CN2099350U Methane/oxygen alarm |
| 03/17/1992 | US5095754 Apparatus and method for detection of icing onset and ice thickness |
| 03/10/1992 | CA1297085C Luminous horizontal roadway markings |
| 03/04/1992 | EP0472668A1 Process for determining the condition of a road surface. |
| 01/15/1992 | CN2093421U Urine-wetting and door bell dual-purpose alarm device |
| 12/31/1991 | US5077547 Non contact programming for transmitter module |
| 12/24/1991 | US5074137 Programmable atmospheric stabilizer |
| 12/24/1991 | CA1293549C Ice detector circuit |
| 12/18/1991 | CN2091010U Multifunctional alarm |