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Class Information
Number: 340/578
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Flame > By radiant energy
Description: Subject matter wherein the presence of a flame is detected by radiation emitted therefrom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7541938 |
Optical flame detection system and method |
Jun. 2, 2009 |
| 7521662 |
Portable handheld artificial light detector |
Apr. 21, 2009 |
| 7504956 |
System and method for pest detection |
Mar. 17, 2009 |
| 7492269 |
Self diagonostic flame ignitor |
Feb. 17, 2009 |
| 7489136 |
Apparatus and method of detecting radiation |
Feb. 10, 2009 |
| 7456749 |
Apparatus for detecting a fire by IR image processing |
Nov. 25, 2008 |
| 7382140 |
Method and device for flame monitoring |
Jun. 3, 2008 |
| 7365648 |
Fire alarm |
Apr. 29, 2008 |
| 7337156 |
Method for detecting and combating forest and surface fires |
Feb. 26, 2008 |
| 7327269 |
Flame sensor for a burner |
Feb. 5, 2008 |
| 7327273 |
Fluid monitoring device |
Feb. 5, 2008 |
| 7289032 |
Intelligent flame scanner |
Oct. 30, 2007 |
| 7256818 |
Detecting fire using cameras |
Aug. 14, 2007 |
| 7202794 |
Flame detection system |
Apr. 10, 2007 |
| 7154400 |
Fire detection method |
Dec. 26, 2006 |
| 7119697 |
Hydrogen fire detection system & method |
Oct. 10, 2006 |
| 7091869 |
Optoacoustic measuring arrangement and use thereof |
Aug. 15, 2006 |
| 7088253 |
Flame detector, method and fuel valve control |
Aug. 8, 2006 |
| 7068166 |
Break-in detection system |
Jun. 27, 2006 |
| 7048068 |
Fire extinguishing system for large structures |
May. 23, 2006 |
| RE39081 |
Localized automatic fire extinguishing apparatus |
May. 2, 2006 |
| 7009497 |
Method of distinguishing the presence of a single versus multiple persons |
Mar. 7, 2006 |
| 7009521 |
Power supply and interconnect detector system |
Mar. 7, 2006 |
| 7002478 |
Smoke and flame detection |
Feb. 21, 2006 |
| 6975235 |
Temperature warning system for a fireplace |
Dec. 13, 2005 |
| 6956485 |
Fire detection algorithm |
Oct. 18, 2005 |
| 6937743 |
Process and device for detecting fires based on image analysis |
Aug. 30, 2005 |
| 6914535 |
Light scattering type smoke sensor |
Jul. 5, 2005 |
| 6828913 |
Scattered light smoke alarm |
Dec. 7, 2004 |
| 6801133 |
Electrical wiring monitoring system |
Oct. 5, 2004 |
| 6788208 |
Method for controlling stationary fire-extinguishing systems |
Sep. 7, 2004 |
| 6753776 |
Presence sensing system and method |
Jun. 22, 2004 |
| 6737977 |
Fire detector unit |
May. 18, 2004 |
| 6732810 |
Detector system for detecting glowing particles |
May. 11, 2004 |
| 6700495 |
Flame monitor for an oil- and gas-operated burner |
Mar. 2, 2004 |
| 6700496 |
Flame and spark detector, automatic fire alarm and methods related thereto |
Mar. 2, 2004 |
| 6696958 |
Method of detecting a fire by IR image processing |
Feb. 24, 2004 |
| 6680671 |
Fire detection device |
Jan. 20, 2004 |
| 6652266 |
Flame sensor and method of using same |
Nov. 25, 2003 |
| 6642846 |
Infrared intrusion detector and method |
Nov. 4, 2003 |
| 6545608 |
Smoking rules enforcement apparatus |
Apr. 8, 2003 |
| 6515283 |
Fire detector with modulation index measurement |
Feb. 4, 2003 |
| 6515589 |
Scattering light smoke alarm |
Feb. 4, 2003 |
| 6501383 |
Method and device for monitoring a flame |
Dec. 31, 2002 |
| 6476722 |
Thermographic system to check and prevent fires in a vehicle |
Nov. 5, 2002 |
| 6404342 |
Flame detector using filtering of ultraviolet radiation flicker |
Jun. 11, 2002 |
| 6373393 |
Flame detection device and flame detection |
Apr. 16, 2002 |
| 6362743 |
Smoke alarm with dual sensing technologies and dual power sources |
Mar. 26, 2002 |
| 6356199 |
Diagnostic ionic flame monitor |
Mar. 12, 2002 |
| RE37493 |
Localized automatic fire extinguishing apparatus |
Jan. 1, 2002 |
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