| Patents for G08B 21 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for (34,716) |
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| 03/23/1988 | CN87209481U Nursing warner for fluid infusion |
| 03/23/1988 | CN87208503U Multifunctional baby's diaper warner |
| 03/23/1988 | CN87203647U Braking liquid level warner of hydraulic brake system |
| 03/22/1988 | CA1234417A1 System for alerting a pilot of a dangerous flight profile during low level maneuvering |
| 03/16/1988 | EP0259881A2 Switching apparatus |
| 03/16/1988 | CN87203682U Warning brotective device of bakage current |
| 03/09/1988 | EP0258316A1 Personal alarm transmitter |
| 03/08/1988 | US4730184 Neighborhood audio-visual alarm system |
| 03/02/1988 | CN87200411U Measuring furnace-bottom thickness warning device |
| 03/01/1988 | US4728943 Means for determining the state of lubrication in surfaces lubricated by a lubricant and rolling or sliding with respect to one another |
| 03/01/1988 | US4728939 Steering wheel steering aid |
| 02/24/1988 | CN87202012U Displacement type acoustooptic infusion warning device |
| 02/23/1988 | US4727447 Safety system and method |
| 02/23/1988 | CA1233078A1 Occupancy marker |
| 02/17/1988 | CN87203136U Warner for water leakage |
| 02/16/1988 | US4725824 Doze prevention system |
| 02/16/1988 | US4725823 System for transporting valuable documents |
| 02/16/1988 | CA1232943A1 Remote indication low battery voltage enunciator method and apparatus |
| 02/11/1988 | WO1988001050A1 Flow rate threshold sensor |
| 02/09/1988 | US4724428 Thermocouple jacket monitor |
| 01/28/1988 | WO1988000749A1 Ground proximity warning system terrain classification system |
| 01/28/1988 | WO1988000748A1 Ground proximity warning system for an excessive descent rate over undulating terrain |
| 01/28/1988 | WO1988000745A1 Detection system |
| 01/26/1988 | US4721950 Fluid detector |
| 01/26/1988 | US4721948 Wallet with missing-card reminder |
| 01/26/1988 | US4721946 Door control device with alarm switch |
| 01/21/1988 | DE3624139A1 Circuit arrangement for activating a load using a microprocessor |
| 01/20/1988 | CN87200771U Extra-high voltage near-elecricity alarm |
| 01/13/1988 | EP0252692A2 Thermocouple jacket monitor |
| 01/13/1988 | CN87207530U Heart disease emergency treatment and alarm box |
| 01/13/1988 | CN87206063U Photoelectric color compariting alarm for water hardness of boiler |
| 01/12/1988 | US4719454 Personal alarm |
| 01/12/1988 | US4719453 Card carrier having an alarm |
| 01/05/1988 | US4717909 Indicator system for a door with sliding bolt lock |
| 12/31/1987 | CN87203765U Electronic posture correcting device for reading and writing |
| 12/29/1987 | US4716469 Circuit for eyesight protection in a television set |
| 12/29/1987 | US4716402 Modular personal security device |
| 12/22/1987 | US4714915 Portable electrostatic field safety monitor |
| 12/22/1987 | US4714914 Liquid immersion alarm |
| 12/17/1987 | DE3619590A1 Warning device to prevent forgetting of door keys |
| 12/16/1987 | EP0249296A2 Device for determination of formation of ice |
| 12/16/1987 | EP0248828A1 Calling system for co-ordinated interventions |
| 12/15/1987 | US4713653 For warning that an exposed member carrying high voltage is live |
| 12/12/1987 | CN86206576U 瓦斯检测器 Gas Detector |
| 12/09/1987 | EP0248732A1 Measuring process for the values of at least one parameter varying in time in a repetitive manner with monitoring thresholds of varying values |
| 12/08/1987 | US4712097 Automatic measuring/alarm apparatus for measuring radioactive concentration or the like |
| 12/08/1987 | US4712093 Audible audio level indicator |
| 12/05/1987 | CN86205197U 简易地震报警器 Easy earthquake alarm |
| 12/03/1987 | DE3619856A1 Emergency call system |
| 12/02/1987 | CN87202682U Warning device for testing electricity |
| 12/01/1987 | US4710755 Alarm for milk cooler |
| 12/01/1987 | US4710628 Fault detecting apparatus |
| 11/25/1987 | CN87204137U Alarming and slurry-injecting device for earth fall |
| 11/19/1987 | EP0246085A2 Surveillance systems |
| 11/12/1987 | DE3615775A1 Bite-indicating process and device and application of the process |
| 11/11/1987 | EP0245178A1 Surveillance method to anticipate the triggering of an alarm |
| 11/11/1987 | CN86205095U Alarm device for steel cable overloading |
| 11/11/1987 | CN86201966U Fire accidentally stop alarm gas stove |
| 11/11/1987 | CN86201211U Automatic alarm device for thin layer and paper chromatography |
| 11/10/1987 | US4706073 Circuit breaker panels with alarm system |
| 11/10/1987 | US4706071 Warning apparatus against the coverlet out of position |
| 11/10/1987 | US4706063 Pressure-biased, temperature sensor |
| 11/05/1987 | WO1987006748A1 Remote monitoring and alarm system |
| 10/31/1987 | CN86210976U Alarm for medical infusion |
| 10/31/1987 | CN86208755U Negative pressure alarm for intravenous infusion |
| 10/22/1987 | WO1987006294A1 Alarm device |
| 10/21/1987 | EP0242099A2 Anti-theft and locating system |
| 10/20/1987 | US4701751 Pool alarm system |
| 10/14/1987 | CN87200413U Gas-alarming-self controlling ventilating device |
| 10/13/1987 | US4700180 Apparatus to indicate when a patient has evacuated a bed |
| 10/06/1987 | US4698623 Overload detection apparatus |
| 10/06/1987 | US4698621 Circuit breaker panels with alarm system |
| 09/30/1987 | CN87202898U Protecting and alarming devices of cooling water interruption |
| 09/29/1987 | US4697174 Ball actuated alarm device |
| 09/29/1987 | US4697173 Load sensing alarm condition monitor |
| 09/22/1987 | US4695829 Temperature level indicating device and method of making the same |
| 09/22/1987 | US4695822 Overheat warning and prevention system for outboard engines |
| 09/15/1987 | US4694284 Abduction-preventing collar |
| 09/15/1987 | US4694281 Visual alarm apparatus |
| 09/12/1987 | CN86210099U Dynamic (or static) state changed warner |
| 09/09/1987 | EP0235141A1 Ultraviolet radiation monitoring device. |
| 09/08/1987 | US4692752 Moisture detector |
| 09/08/1987 | US4692751 To be placed on a sill of an open window |
| 09/08/1987 | US4692749 Wearable alarm |
| 09/08/1987 | US4692748 Apparatus for deterring thumbsucking |
| 09/08/1987 | US4692745 Credit card alarm |
| 09/03/1987 | DE3605633A1 Apparatus for catching early and isolating water damage on a flat roof and method of fitting the apparatus |
| 09/02/1987 | EP0235103A2 A system for transporting valuable documents |
| 09/01/1987 | US4691195 Self-contained refrigerator open door indicator |
| 08/27/1987 | WO1987005137A1 Personal alarm transmitter |
| 08/26/1987 | CN86210439U Dual limits pressure alarm |
| 08/26/1987 | CN86209286U Leakage alarm |
| 08/25/1987 | US4689611 Alarm and communication system for water skiers |
| 08/25/1987 | CA1226035A1 Circuit breaker panels with alarm system |
| 08/19/1987 | EP0233077A2 A packaging container |
| 08/19/1987 | EP0232947A2 Method and apparatus for signaling attempted suicide |
| 08/18/1987 | US4688244 Integrated cargo security system |
| 08/18/1987 | US4688028 Audible low-fuel alarm for propane fuel tank |
| 08/18/1987 | US4688025 Movement sensor |
| 08/18/1987 | US4688023 Container having child safety device and alarm |