XACT DOWNHOLE TELEMETRY INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1383
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 1268
 
  
 
G10K SOUND-PRODUCING DEVICES 134
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0017,704 RANGE POSITIONING TOOL FOR USE WITHIN A CASING OR LINER STRINGFeb 28, 14Jan 21, 16[E21B, G01V]
2007/0257,809 Acoustic telemetry system optimizationApr 11, 07Nov 08, 07[G01V]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9797241 Acoustic transmitter for transmitting a signal through a downhole mediumFeb 07, 14Oct 24, 17[B06B, E21B]
9458711 Downhole low rate linear repeater relay network timing system and methodDec 02, 13Oct 04, 16[E21B, G01V]
9458712 Acoustic telemetry stacked-ring wave delay isolator system and methodMar 17, 15Oct 04, 16[G10K, E21B, G01V]
8982667 Acoustic telemetry stacked-ring wave delay isolator system and methodFeb 12, 10Mar 17, 15[E21B, G01V]
8922387 Tapered thread EM gap sub self-aligning means and methodApr 14, 11Dec 30, 14[E21B, G01V]
8823543 Telemetry wave detection apparatus and methodMar 11, 11Sep 02, 14[G01V]
8437220 Parallel-path acoustic telemetry isolation system and methodFeb 01, 10May 07, 13[E21B]
8393412 System and method for accurate wellbore placementFeb 11, 10Mar 12, 13[E21B]
8270251 Acoustic isolatorDec 22, 09Sep 18, 12[E21B]
8115651 Drill string telemetry methods and apparatusApr 11, 08Feb 14, 12[G01V]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0266,769 NETWORK TELEMETRY SYSTEM AND METHODAbandonedMar 17, 14Sep 18, 14[E21B]
2014/0112,100 AIR HAMMER OPTIMIZATION USING ACOUSTIC TELEMETRYAbandonedDec 30, 13Apr 24, 14[E21B]
2011/0141,852 AIR HAMMER OPTIMIZATION USING ACOUSTIC TELEMETRYAbandonedJun 14, 10Jun 16, 11[E21B]
2011/0069,583 APPARATUS AND METHOD FOR ACOUSTIC TELEMETRY MEASUREMENT OF WELL BORE FORMATION DEBRIS ACCUMULATIONAbandonedSep 21, 10Mar 24, 11[E21B]
2010/0135,117 Downhole Timing Recovery and Signal DetectionAbandonedNov 16, 09Jun 03, 10[E21B]
2007/0153,629 Acoustic isolatorAbandonedDec 01, 06Jul 05, 07[G01V]

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