| Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975) |
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| 11/27/1984 | CA1178678A1 Bidirectional, interactive fire detection system |
| 11/21/1984 | EP0126036A1 Inflammable gas detection apparatus with predetermined intervention |
| 11/21/1984 | EP0125485A1 Signal suppression circuit for optical smoke detectors |
| 11/20/1984 | CA1178373A1 Combustible gas detector system |
| 11/13/1984 | CA1177932A1 Fire or explosion detection |
| 11/06/1984 | US4481506 Photoelectric smoke sensor |
| 10/30/1984 | US4480252 Gas detector |
| 10/24/1984 | EP0122489A1 Function test means of photoelectric smoke detector |
| 10/24/1984 | EP0122433A1 Residential fire alarm system |
| 10/24/1984 | EP0122432A1 Photoelectric smoke detector equipped with smoke detecting function test means |
| 10/16/1984 | US4477798 Fire Alarm control system |
| 10/11/1984 | WO1984003976A1 Fire sensor apparatus |
| 10/10/1984 | EP0120881A1 Diffused radiation smoke detector. |
| 10/09/1984 | US4475390 Smoke detector |
| 09/28/1984 | EP0077327A4 Alarm device. |
| 09/26/1984 | EP0119264A1 Discriminating fire sensor with thermal override capability. |
| 09/18/1984 | US4472715 Dual spectrum fire sensor with discriminator |
| 09/11/1984 | US4471346 Smoke detector |
| 09/11/1984 | US4471221 Infra-red flame detector |
| 09/11/1984 | CA1174321A1 Fiber optics security system |
| 09/04/1984 | US4470047 Bidirectional, interactive fire detection system |
| 09/04/1984 | US4469953 Combination ionization and photoelectric smoke detector |
| 09/04/1984 | US4469944 Optical discriminating fire sensor |
| 08/29/1984 | EP0117162A1 Method for the detection of a heat source particularly of a forest fire in a controlled zone, and system for the application of this method |
| 08/29/1984 | EP0116647A1 Fire alarm system |
| 08/21/1984 | CA1173130A1 Fire alarm employing a shape memory alloy in a temperature sensitive element |
| 08/07/1984 | US4464653 Combustible gas detection system |
| 08/07/1984 | US4464651 Home security and garage door operator system |
| 08/07/1984 | US4464575 Test device for an optical infra red detector |
| 08/07/1984 | US4464339 Gas sensor elements and methods of manufacturing them |
| 07/31/1984 | US4463260 Flame detector |
| 07/25/1984 | EP0015991B1 Methods and apparatus for detecting an incipient fire condition |
| 07/19/1984 | WO1984002790A1 Photoelectric smoke detector and utilization thereof |
| 07/18/1984 | EP0113461A2 Functional test means of light scattering type smoke detector |
| 07/11/1984 | EP0113046A2 Heat detector |
| 07/10/1984 | US4459583 Alarm system |
| 07/10/1984 | US4459484 Radiation detector for a flame alarm |
| 07/10/1984 | CA1170741A1 Fire and explosion detection and suppression |
| 07/10/1984 | CA1170437A1 Method of manufacturing a combustibles sensor |
| 07/04/1984 | EP0112492A2 Alarm and control system for semiconductor manufacturing plants |
| 07/04/1984 | EP0112491A2 Alarm and control system for semiconductor manufacturing plants |
| 07/04/1984 | EP0112490A2 Alarm and control system for semiconductor manufacturing plants |
| 07/03/1984 | US4458239 Fire extinguishing apparatus |
| 06/26/1984 | US4456907 Ionization type smoke detector with test circuit |
| 06/26/1984 | CA1169938A1 Alarm system having plural diverse detection means |
| 06/20/1984 | EP0111156A1 Adapter for automatic fire alarm boxes and adapter with a fire alarm holder to be mounted on fire alarm sockets already installed |
| 06/20/1984 | EP0111012A1 Ionization type of smoke sensor |
| 06/19/1984 | US4455553 Smoke detector of the ionization type |
| 06/19/1984 | US4455487 Fire detection system with IR and UV ratio detector |
| 06/19/1984 | CA1169590A1 Ionization smoke detector |
| 06/19/1984 | CA1169589A1 Electrical controls for ionization smoke detector |
| 06/19/1984 | CA1169526A1 Forward scatter smoke detector |
| 06/19/1984 | CA1169522A1 Fire and explosion detection |
| 06/07/1984 | WO1984002215A1 Fire alarm and electrode device therefor |
| 06/05/1984 | US4453159 Self-monitoring heat tracing system |
| 05/23/1984 | EP0108801A1 Smoke detector of the ionization type |
| 05/08/1984 | CA1167133A1 Selective ultraviolet signal amplifier circuit |
| 05/01/1984 | US4445454 Temperature sensor |
| 04/26/1984 | WO1984001650A1 Diffused radiation smoke detector |
| 04/17/1984 | US4443793 Gas detection system |
| 04/17/1984 | US4443791 Self-compensating gas detection apparatus |
| 04/17/1984 | CA1165838A1 Home security and garage door operator system |
| 04/17/1984 | CA1165833A1 Broad spectrum charged electric field polar gas sensing and detection system |
| 04/12/1984 | WO1984001431A1 Combustible vapor detection system |
| 04/11/1984 | EP0105199A1 Radiation smoke alarm |
| 04/03/1984 | CA1164944A1 Gas sensor elements and methods of manufacturing them |
| 03/29/1984 | WO1984001232A1 Discriminating fire sensor with thermal override capability |
| 03/27/1984 | US4439683 Ionization smoke detector |
| 03/21/1984 | EP0103375A1 Alarm system |
| 03/20/1984 | US4438428 Multiple function personal security alarm |
| 03/13/1984 | US4437014 Smoke detection and disconnection apparatus |
| 03/07/1984 | EP0102229A1 Alarm system |
| 03/06/1984 | US4435700 Event detection and indication system |
| 02/21/1984 | US4433274 Home security and garage door operator system |
| 02/07/1984 | US4430646 Forward scatter smoke detector |
| 02/02/1984 | WO1984000429A1 Suspended particle detector |
| 02/01/1984 | EP0099776A1 Ionisation level detector of an electric arc controlled gaseous environment |
| 02/01/1984 | EP0099729A1 Suspended particle detector |
| 01/31/1984 | CA1161568A1 Discharging element energizing circuit for discharge- type fire alarm sensor unit |
| 01/10/1984 | CA1160311A1 Central station alarm reporting system |
| 01/05/1984 | WO1984000074A1 Device for detecting the ionisation level of a gas mixture controlled by electric arc |
| 01/04/1984 | EP0097189A1 Light extinction smoke detector. |
| 12/27/1983 | US4423411 Ionization type fire detector |
| 12/27/1983 | US4423326 Fire or explosion detection |
| 12/27/1983 | US4422859 Temperature and concnetration monitoring; automatic shutoff |
| 12/22/1983 | WO1983004450A1 Fire alarm facility |
| 12/22/1983 | WO1983004449A1 Ionization type of smoke sensor |
| 12/20/1983 | US4421984 Fire and explosion detection and suppression |
| 12/13/1983 | US4420840 Intrinsically safe photoelectric sensing |
| 12/13/1983 | US4420746 Self-calibrating smoke detector and method |
| 12/06/1983 | US4419658 Portable combination lamp, smoke detector and power failure alarm |
| 11/29/1983 | US4418338 Optical fibre U.V. and/or I.R. line fire detector |
| 11/24/1983 | WO1983004120A1 Smoke detector of the ionization type |
| 11/23/1983 | EP0094534A1 Smoke detector according to the radiation-extinction principle |
| 11/22/1983 | US4417217 Discharging element energizing circuit for discharge-type fire alarm sensor unit |
| 11/22/1983 | US4416911 Gas sensor elements and methods of manufacturing them |
| 11/15/1983 | US4415806 Radiation detector for a flame alarm |
| 11/08/1983 | US4414542 Two channel comparison-type fire or explosion detecting system |
| 11/02/1983 | EP0092859A2 Ion detector |
| 10/26/1983 | EP0092068A1 Gas and/or vapour alarm device |