WELLDYNAMICS, 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 3363
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 476
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS248
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186
 
  
 
H04H BROADCAST COMMUNICATION 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9500072 Position sensor for well toolsMay 11, 12Nov 22, 16[G01B, E21B]
9464507 Casing valves system for selective well stimulation and controlOct 11, 13Oct 11, 16[E21B]
9033054 Metal to metal seal for downhole toolsAug 03, 06May 19, 15[E21B, F16J]
8894070 Energized composite metal to metal sealJan 30, 09Nov 25, 14[E21B, F16J]
8196656 Position sensor for well toolsSep 08, 08Jun 12, 12[E21B]
8157016 Fluid metering device and method for well toolFeb 23, 09Apr 17, 12[E21B]
8090227 Purging of fiber optic conduits in subterranean wellsDec 18, 08Jan 03, 12[G02B, E21B, G01V]
7950461 Screened valve system for selective well stimulation and controlNov 21, 08May 31, 11[E21B]
7926581 Well tool having enhanced packing element assemblyMar 12, 08Apr 19, 11[E21B]
7861788 Casing valves system for selective well stimulation and controlJan 18, 08Jan 04, 11[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0051,269 BYPASS OF DAMAGED LINES IN SUBTERRANEAN WELLSAbandonedAug 19, 09Mar 04, 10[E21B]
2008/0169,610 METAL TO METAL SEAL FOR DOWNHOLE TOOLSAbandonedJan 07, 08Jul 17, 08[F16J]
2004/0031,319 Horizontal wellbore pressure measurementAbandonedAug 05, 03Feb 19, 04[E21B]
2003/0066,649 Single well combination oil production/water dump flood apparatus and methodsAbandonedAug 13, 02Apr 10, 03[E21B]
6093262 Corrosion resistant solenoid valveExpiredJun 23, 98Jul 25, 00[H01F]
6056327 High pressure hydraulic line connectorExpiredJun 23, 98May 02, 00[F16L]
5730217 Vacuum insulated converter for extending the life span of electronic componentsExpiredJun 21, 96Mar 24, 98[E21B]
5720342 Integrated converter for extending the life span of electronic componentsExpiredJun 21, 96Feb 24, 98[F25B, E21B]
5666050 Downhole magnetic position sensorExpiredNov 20, 95Sep 09, 97[G01B, E21B]
5647435 Containment of downhole electronic systemsExpiredSep 25, 95Jul 15, 97[E21B]
5547028 Downhole system for extending the life span of electronic componentsExpiredSep 12, 94Aug 20, 96[E21B]
5163321 Borehole pressure and temperature measurement systemExpiredSep 27, 90Nov 17, 92[E21B]
4976142 Borehole pressure and temperature measurement systemExpiredOct 17, 89Dec 11, 90[E21B]

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