OPTASENSE HOLDINGS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES 206
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 18187
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 1466
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 1347
 
  
 
E21B EARTH OR ROCK DRILLING 1185
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 9197
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR760
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 554
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 573
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 551

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0292,862 Fibre Optic Cable with Tuned Transverse SensitivityOct 08, 15Oct 12, 17[G01H, G01K, G01L, G02B, G01D]
2016/0369,607 Downhole SurveillanceMar 31, 15Dec 22, 16[E21B]
2014/0069,173 Integrity Monitoring of ConduitsMay 04, 12Mar 13, 14[G01M]
2012/0280,117 Fibre Optic Distributed SensingApr 06, 12Nov 08, 12[G01J, G02B]
2011/0149,688 Conduit MonitoringAug 20, 09Jun 23, 11[G01S]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909903 Apparatus for deriving measurement signals from fibre optic distributed sensorsApr 06, 12Mar 06, 18[G01J, G01D]
9828849 Flow monitoring using fibre optic distributed acoustic sensorsSep 28, 12Nov 28, 17[E21B, G01F]
9816853 Fibre optic cable for acoustic/seismic sensingOct 25, 13Nov 14, 17[G01H, G01L, G01D, G01V]
9797239 Monitoring flow conditions downwellFeb 25, 13Oct 24, 17[E21B]
9778097 Location and monitoring of undersea cablesDec 20, 12Oct 03, 17[G01H, G10K, G02B, H02G, G01V]
9759824 Seismic monitoringDec 19, 12Sep 12, 17[G01H, G01V]
9746393 Fibre optic sensingJun 27, 13Aug 29, 17[G01M, G01N, G01D]
9739645 Fibre optic distributed sensingNov 11, 10Aug 22, 17[G01J, G02B, G01D]
9689254 Well monitoring by means of distributed sensing meansAug 03, 15Jun 27, 17[G01H, E21B, G01V]
9677956 Optic fibres and fibre optic sensingNov 11, 10Jun 13, 17[G01H, G01L, G01N, G02B, G01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0000,415 Detecting Train SeparationAbandonedFeb 01, 13Jan 01, 15[B61L, G01H, G01N]
2014/0362,668 Indicating LocationsAbandonedFeb 01, 13Dec 11, 14[G01S]
2014/0204,368 Fibre Optic Distributed SensorAbandonedAug 24, 12Jul 24, 14[G01M]
2014/0036,628 Subsurface Monitoring Using Distributed Acoustic SensorsAbandonedMar 16, 12Feb 06, 14[G01V]
2013/0319,121 Distributed Acoustic SensingAbandonedFeb 27, 12Dec 05, 13[G01H]
2013/0242,698 Seismic Surveying Using Fiber Optic TechnologyAbandonedNov 29, 11Sep 19, 13[G01V]
2013/0139,600 Gunfire DetectionAbandonedAug 15, 11Jun 06, 13[G01H]
2012/0063,267 Well Monitoring by Means of Distributed Sensing MeansAbandonedMay 27, 10Mar 15, 12[E21B]
2008/0232,748 Fibre-Optic Package and Method of Making the SameAbandonedOct 03, 06Sep 25, 08[G02B]

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