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