Stellarton Technologies 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 393
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8387710 Downhole fluid recirculation valve and method for recirculating fluid in a wellMar 05, 09Mar 05, 13[G05D, E21B]
8347954 Plunger lift system with seal and ball detent arrangementFeb 06, 08Jan 08, 13[F04B, E21B]
8056621 Master ball valve with integrated hangerMay 05, 09Nov 15, 11[E21B]
7347273 Bottom hold completion system for an intermittent plungerOct 21, 05Mar 25, 08[E21B]
7188670 Plunger lift systemSep 23, 05Mar 13, 07[F04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0140,040 DOWNHOLE FLUID RECIRCULATION VALVEAbandonedFeb 04, 13Jun 06, 13[E21B]
2012/0080,196 PLUNGER LIFT AND SAFETY VALVE SYSTEMAbandonedSep 30, 11Apr 05, 12[E21B]
2009/0142,207 BOTTOM HOLE HOLLOW CORE ELECTRIC SUBMERSIBLE PUMPING SYSTEMAbandonedDec 01, 08Jun 04, 09[F04B]
2008/0164,017 BOTTOM HOLE COMPLETION SYSTEM FOR AN INTERMITTENT PLUNGERAbandonedMar 24, 08Jul 10, 08[E21B]

Top Inventors for This Owner

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