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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11/12/1985 | CA1196707A1 Security-ensuring apparatus having an operational guidance function |
11/05/1985 | US4551713 Pet door mat alarm |
10/30/1985 | EP0159742A1 Means for determining the state of lubrication in surfaces lubricated by a lubricant and rolling or sliding with respect to one another |
10/23/1985 | EP0158817A1 Interconnection part for a warning device |
10/15/1985 | US4547778 Method and apparatus for automatic distress call signal transmission |
10/15/1985 | US4547771 Vibration sensor |
10/15/1985 | US4547768 Toilet reservoir fill alarm |
10/08/1985 | US4546346 Sewer line backup detection, alarm and detention apparatus |
10/08/1985 | US4546344 Temperature compensated alarm system |
10/01/1985 | CA1194583A1 Gas detector |
09/24/1985 | US4543569 Vehicular alarm triggering system |
09/24/1985 | CA1194133A1 Electronic apparatus with audible annunciator and alarm lamp |
09/18/1985 | EP0155032A1 Monitoring device |
09/17/1985 | US4542284 Electrical appliance with delayed warning alarm |
09/10/1985 | US4540979 Grip-responsive operator alertness monitor |
09/10/1985 | US4540976 Circuit arrangement for a buoyant alarm device |
09/10/1985 | CA1193352A1 Acoustic monitoring method and device for industrial installations |
09/03/1985 | US4539560 Bed departure detection system |
08/27/1985 | US4538249 Ultrasonic doppler fish detector |
08/27/1985 | US4538142 For use in the disciplinary technique known as "time-out" |
08/27/1985 | US4538141 Water detection subassembly and method of forming same, for computer processing centers |
08/27/1985 | US4537287 Apparatus for detecting abnormality in the cage of an elevator |
08/20/1985 | US4536756 Pressure indicator and alarm |
08/20/1985 | US4536755 Apparatus for detecting unauthorized egress by patient from position of confinement |
08/20/1985 | US4536749 Security-ensuring apparatus having an operational guidance function |
08/13/1985 | US4535324 Remote activated alarm triggering device |
08/13/1985 | US4534634 Erroneous release preventing device for camera |
08/06/1985 | US4533908 Warning means for a safety valve of a hydraulic power unit and a hydraulic power unit having the same |
08/06/1985 | US4533907 Swimming pool alarm |
07/23/1985 | US4531117 Variable frequency RF electronic surveillance system |
07/23/1985 | US4531115 Remote alarm system |
07/16/1985 | US4529975 Separate overload detecting and warning system for hydraulic jack |
07/16/1985 | US4529974 Fluid leakage detecting apparatus |
07/16/1985 | US4529962 Portable door signal |
07/10/1985 | EP0147539A2 System and method for detecting and warning of drowsy driving of a vehicle |
07/10/1985 | EP0041952B1 Danger detection device with detector |
07/09/1985 | US4528563 Rearward obstruction sensing system for automotive vehicle |
07/09/1985 | US4528558 Door-open alarm device for a refrigerating appliance |
07/09/1985 | US4527504 Safety device to quickly locate a drowning victim |
07/09/1985 | CA1190302A1 Apparatus for detecting cracked grain of unhulled rice or hulled rice |
07/01/1985 | EP0137781A4 Engine parameter monitoring system. |
06/18/1985 | US4524243 Personal alarm system |
06/18/1985 | CA1189162A1 Driver alarm |
06/12/1985 | EP0144160A2 Movement sensor |
06/11/1985 | US4523187 Alarm system for electric fences |
06/11/1985 | US4523178 Wireless alarm system in conjunction with at least one vehicle |
06/04/1985 | US4520748 Differential-vacuum alarm device |
05/28/1985 | US4520351 Passive personal alarm device |
05/28/1985 | US4520350 Mail box with remote indicator |
05/21/1985 | US4518963 Automatic indicator for tower lights |
05/21/1985 | US4518958 Capacitively coupled machine tool safety having a self-test network |
05/21/1985 | CA1187580A1 Method and apparatus for monitoring unburned particulate accumulation in the exhaust duct of a combustion system |
05/15/1985 | EP0141099A2 Warning device |
05/14/1985 | US4517557 Alarm housing for rodent control device |
05/14/1985 | US4517161 Detection of explosive hydrocarbons in aircraft |
05/08/1985 | EP0139698A1 Reminder alarm system |
05/07/1985 | CA1186745A1 Emergency communication device |
04/30/1985 | US4514722 Domestic automatic continuously monitoring soil moisture monitor/indicator |
04/30/1985 | US4514721 Multi-operation mode type of security-ensuring apparatus |
04/24/1985 | EP0137781A1 Engine parameter monitoring system |
04/17/1985 | EP0137247A2 Device for preventing overheating of a clutch |
04/16/1985 | CA1185691A1 Method and apparatus for automatic abnormal events monitor in operating plants |
04/09/1985 | US4510487 Pool alarm |
04/02/1985 | US4509040 Alarm system for preventing an automotive vehicle driver from dozing at the wheel |
03/27/1985 | EP0135350A1 Systems for transmitting light |
03/19/1985 | US4506218 Condition sensing arrangement for ac machines |
03/12/1985 | US4503800 Heat responsive alarm device |
03/05/1985 | US4502287 Refrigeration system alarm device |
02/26/1985 | US4502122 Method and apparatus for measuring vehicle driver's fatigue to give an alarm |
02/26/1985 | US4502044 Moisture alarm system |
02/19/1985 | CA1182881A1 Boundary plane warning system |
02/12/1985 | US4499456 Driver alert |
02/12/1985 | US4498330 Gas detecting and monitoring device |
01/29/1985 | US4496941 For supplying current to a load |
01/29/1985 | US4496940 Sensing and indicator system for detecting heating element failures |
01/17/1985 | WO1985000233A1 Electronic sound detecting unit for locating missing articles |
01/16/1985 | EP0131440A1 Variable frequency RF electronic surveillance system |
01/08/1985 | CA1180829A1 Lift control system |
01/03/1985 | WO1985000056A1 Structural deformation detecting apparatus |
12/18/1984 | US4489314 Golf club monitor |
12/18/1984 | US4489313 Signal direction determining system and directional loop antenna array therefor |
12/11/1984 | US4488269 Temperature surveillance systems |
12/11/1984 | US4488147 Battery jumper cable system |
12/06/1984 | WO1984004836A1 An anchoring alarm, especially for leisure boats |
12/05/1984 | EP0127258A2 Security control system for electrical equipment |
12/04/1984 | US4486744 For indicating gas flow through a conduit |
12/04/1984 | US4486743 Creosote buildup detector and annunciator |
11/27/1984 | US4485375 Grip-responsive dozing driver alarm |
11/20/1984 | US4484043 Switch apparatus responsive to pressure or distortion |
11/20/1984 | CA1178373A1 Combustible gas detector system |
11/06/1984 | US4481507 Abnormal condition warning apparatus for a sewing machine |
11/06/1984 | US4481504 Sound level alarm which ignores transient sounds |
10/30/1984 | US4480250 Credit card carrier with alarm |
10/23/1984 | US4479118 Power outage indicator |
10/23/1984 | US4479115 Fan speed and/or fan failure detector |
10/11/1984 | WO1984003975A1 Reminder alarm system |
10/11/1984 | WO1984003973A1 Self-annunciator |
10/10/1984 | EP0120991A2 Method of prewarning patients with climatically influenced diseases, for example epilepsy and cardiac infarct, and circuit arrangement therefor |
10/09/1984 | US4476461 Occupancy monitor |
10/09/1984 | US4475378 Process for interrogation of a detector of the concentration of combustible gas and an implementing device |