Detector Electronics Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 886
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 4202
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 375
 
  
 
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS220
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
F16M FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS134
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0023,402 ULTRAVIOLET LIGHT FLAME DETECTORSep 26, 14Jan 26, 17[G08B, G01J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9506804 Open path gas detectorJan 10, 14Nov 29, 16[G01J, G01N]
9476543 Alignment swivel and methodOct 29, 13Oct 25, 16[F16M, E04G]
7726177 Environmental hazard sensorMar 06, 07Jun 01, 10[G01N]
7155029 Method and apparatus of detecting fire by flame imagingMay 10, 02Dec 26, 06[G06K]
7119697 Hydrogen fire detection system & methodAug 06, 04Oct 10, 06[G08B]
5995008 Fire detection method and apparatus using overlapping spectral bandsMay 07, 97Nov 30, 99[G08B]
5850182 Dual wavelength fire detection method and apparatusJan 07, 97Dec 15, 98[G08B]
5810307 Explosion-proof swivel mounting bracketAug 21, 96Sep 22, 98[E04G]
5804825 Fire detector having wide-range sensitivityMay 07, 97Sep 08, 98[G08B]
5510772 Flame detection method and apparatusAug 05, 93Apr 23, 96[G08B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0147,080 Method & apparatus for open path gas detectionAbandonedFeb 05, 03Aug 07, 03[G01N]
5077550 Burner flame sensing system and methodExpiredSep 19, 90Dec 31, 91[G08B]
5006710 Recognition and processing of waveformsExpiredOct 12, 89Apr 09, 91[G01J]
4826316 Radiation detection apparatusExpiredMay 29, 87May 02, 89[G01N]
4820931 Wet bench flame and droplet detectorExpiredMar 01, 88Apr 11, 89[G08B, G01V]
4742248 Random signal isolation circuitExpiredJun 25, 87May 03, 88[H03K]
4644290 Metal detector audio amplifierExpiredFeb 14, 86Feb 17, 87[H03F, G01V]
4594559 Metal detector audio amplifierExpiredSep 12, 83Jun 10, 86[H03F, G01V]
4581536 Radiation detection tube having spurious radiation shieldExpiredMar 04, 83Apr 08, 86[H01J]
4560585 Poison resistant combustible gas sensorExpiredDec 23, 83Dec 24, 85[B05D]
4547673 Smoke and flame detectorExpiredJan 10, 83Oct 15, 85[H05B]
4529881 Flame detector with test lamp and adjustable field of viewExpiredMar 02, 82Jul 16, 85[G08B, G01J]
4462319 Method and apparatus for safely controlling explosions in black liquor recovery boilersExpiredOct 27, 82Jul 31, 84[F23G, A62C]
4405234 Radiation detection apparatus having refractive light checking featureExpiredAug 03, 81Sep 20, 83[G01N]
4233504 Apparatus for detecting the passage of glowing embersExpiredAug 03, 78Nov 11, 80[H01J]

Top Inventors for This Owner

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