| Patents for G08B 17 - Fire alarms; Alarms responsive to explosion (10,975) |
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| 09/07/1990 | WO1990010282A1 Method and apparatus for detecting airborne allergen particulates |
| 09/06/1990 | CA2010378A1 Toy with a smoke detector |
| 09/05/1990 | CN2061716U Gas alarm |
| 09/04/1990 | US4954816 Decorative smoke detector construction |
| 08/29/1990 | EP0384209A2 Method for the operation of an ionization smoke detector, and ionization smoke detector |
| 08/29/1990 | CN2061311U Fully automatic fire alarm |
| 08/29/1990 | CN2061310U 自锁型多功能火灾探测报警器 Self-locking multi-functional fire detection alarm |
| 08/23/1990 | DE3904949A1 Alarm device |
| 08/14/1990 | US4949077 Portable unit with smoke alarm, clock radio, compass, retractable table, and lamp |
| 08/14/1990 | CA1272780A1 Duct smoke detector |
| 08/09/1990 | WO1990009012A1 Fire alarm |
| 08/08/1990 | EP0381018A2 Fire alarm system and method for operating the same |
| 08/08/1990 | EP0381017A2 Power supply device in fire alarm systems |
| 08/08/1990 | CN1044437A Ground transducer and mfg. method thereof |
| 07/31/1990 | CA1272262A1 Combined smoke and gas detection apparatus |
| 07/26/1990 | WO1990008370A1 Fire alarm |
| 07/04/1990 | CN2059006U Gas alarming device |
| 06/28/1990 | WO1990007169A1 Ionization-type combustion gas detector |
| 06/27/1990 | EP0374237A1 Radiation detector system. |
| 06/27/1990 | EP0222014B1 Fire sensor cross-correlator circuit and method |
| 06/26/1990 | US4937562 Moisture-proof ionization smoke detector |
| 06/19/1990 | US4935952 Alarm-responsive apparatus and method |
| 06/14/1990 | WO1990006567A1 Fire alarm |
| 06/13/1990 | CA2005282A1 Ionization gaz detector |
| 06/06/1990 | EP0371761A2 Warning light system |
| 05/30/1990 | EP0370763A1 High temperature resistant flame detector |
| 05/30/1990 | CN2057771U Flammable gas alarm |
| 05/29/1990 | US4930095 Output correction system for analog sensor |
| 05/29/1990 | US4929093 Fire detector having a protective cover |
| 05/22/1990 | CA1269458A1 Fire sensor statistical discriminator |
| 05/09/1990 | EP0367486A2 Fire alarm system |
| 05/09/1990 | CN2057013U Gas alarm |
| 05/02/1990 | EP0366298A2 Recognition and processing of wave forms |
| 05/01/1990 | US4922230 Fire discriminating apparatus |
| 04/25/1990 | EP0365372A1 Address and programme centre of an alarm station with a number of fire detectors |
| 04/25/1990 | EP0365047A2 Optical air pollution or smoke detection apparatus |
| 04/19/1990 | WO1990004241A1 Fire alarm apparatus |
| 04/18/1990 | EP0364364A1 Method and system for the detection of forest fires in particular |
| 04/18/1990 | EP0364298A2 Heat sensing apparatus and method |
| 04/13/1990 | CA2000611A1 Heat sensing apparatus and method |
| 04/13/1990 | CA2000585A1 Method of and system for detecting in particular forest fires |
| 04/11/1990 | EP0362985A1 Improved address setting means for fire detectors |
| 04/11/1990 | EP0233245B1 Fire sensor statistical discriminator |
| 04/11/1990 | CN2055963U Alarm controller for combustible gas leakage |
| 04/10/1990 | US4916437 Gas monitoring system with leak detection and flow cutoff |
| 04/10/1990 | US4916436 Overheated stove pipe alarm |
| 04/10/1990 | CA1267735A1 Ionization type-smoke detector |
| 04/10/1990 | CA1267708A1 Fire detector |
| 04/04/1990 | EP0361973A2 Illumitated fire escape route |
| 04/04/1990 | CN2055620U Electronic temp. sensing detector |
| 04/03/1990 | US4914425 Highly sensitive smoke detector |
| 03/28/1990 | EP0360126A2 Operation method for an optical smoke detector and smoke detector for carrying out the method |
| 03/28/1990 | EP0116647B1 Fire alarm system |
| 03/20/1990 | US4909329 Fire supervising system and extinguishing target determining system |
| 03/14/1990 | CN1040448A Multifunctional household gas alarm |
| 03/06/1990 | US4906978 Optical smoke detector |
| 03/06/1990 | US4905344 Heat actuated link |
| 02/27/1990 | US4904988 Toy with a smoke detector |
| 02/22/1990 | WO1990001759A1 Smoke detector with voice alert |
| 02/22/1990 | DE3925180A1 Fire-extinguishing system - uses carbon-di:oxide extinguishers and gives people adequate advanced warning that extinguishers are about to trigger |
| 02/22/1990 | DE3828007A1 Electrical/electronic temperature monitoring with a remote alarm |
| 02/13/1990 | US4901059 Overheat warning for wood stoves |
| 02/08/1990 | WO1990001201A1 Warning device |
| 02/07/1990 | EP0353244A1 Explosives detection system for an aircraft |
| 01/30/1990 | US4897634 Scattered-light smoke detector with a shielding structure of detector circuits |
| 01/30/1990 | US4896526 Continuous monitoring of a gas mixture |
| 01/24/1990 | CN2051519U Temp.-responsive type fire detector |
| 01/23/1990 | US4896145 Fixture for mounting a lampholder and fire detector |
| 01/23/1990 | US4896141 Fire and overheat detection |
| 01/17/1990 | EP0351050A1 Ultrasonic temperature sensors, and ultrasonic waveguide connectors for use therewith |
| 01/17/1990 | CN2051370U Linear temp. sensing fire detector |
| 01/10/1990 | EP0350440A1 Pressure surveillance device for a temperature detector |
| 01/10/1990 | CN2050991U Electronic gas monitor and alarm of miner's lamp |
| 01/09/1990 | US4893324 Portable fire detection system |
| 01/03/1990 | EP0349403A2 Smoke detector with an integrated address circuit |
| 12/28/1989 | WO1989012807A1 Radiation detector system |
| 12/26/1989 | US4889994 Detection of electromagnetic radiation |
| 12/21/1989 | DE3819411A1 Method and device for monitoring and securing large surface areas having materials stored distributed on the surface |
| 12/13/1989 | EP0346152A2 Smoke detector devices and detector circuit |
| 12/13/1989 | EP0345798A1 Fire alarm system |
| 12/12/1989 | US4887073 Ceiling mounted fire detector assembly |
| 12/06/1989 | CN2049003U Alarm for fire of textile dust room |
| 12/05/1989 | CA1263767A1 Electrical detector of particles, used as a fire detector |
| 11/30/1989 | DE3817607A1 Method for triggering UV-sensitive receiving elements |
| 11/29/1989 | EP0343235A1 Real time adaptive round discrimination fire sensor |
| 11/29/1989 | CN1037605A Mass inertia alarm for fire accident |
| 11/28/1989 | US4884222 Fire alarm system |
| 11/21/1989 | US4882573 Apparatus and method for detecting the presence of a burner flame |
| 11/15/1989 | EP0140502B1 Improvements relating to smoke detection apparatus |
| 11/14/1989 | US4881060 Fire alarm system |
| 11/08/1989 | EP0341022A2 Room monitoring and control system |
| 10/26/1989 | DE3812416A1 Safety power interruption |
| 10/25/1989 | EP0338218A1 Early fire detection method |
| 10/18/1989 | CN2046247U Checking searching probe of fuel gas alarm |
| 10/18/1989 | CN2046246U Glass fibre fire alarm |
| 10/11/1989 | CN2045869U Automatic surveying, alarming and fire-extinguishing device for fire in room |
| 10/05/1989 | WO1989009392A1 Fluid pollution monitor |
| 10/05/1989 | DE3909084A1 Rauchdetektor Smoke detector |
| 10/03/1989 | US4871999 Fire alarm system, sensor and method |
| 09/26/1989 | US4870394 Smoke detector with improved testing |