ENOVATE SYSTEMS LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 2373
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 120
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0058,170 SHEAR BLADEAug 29, 17Mar 01, 18[E21B]
2016/0222,749 IMPROVED ANNULAR BLOW OUT PREVENTERAug 27, 14Aug 04, 16[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9376876 Bore selection apparatusJun 18, 13Jun 28, 16[E21B]
9297233 Well barrierMar 10, 11Mar 29, 16[E21B]
9169714 Flushing systemSep 30, 10Oct 27, 15[E21B]
9133680 Wellbore control deviceJul 04, 11Sep 15, 15[E21B]
9062517 Well containment systemSep 30, 10Jun 23, 15[E21B]
9045947 Subsea winchMay 13, 10Jun 02, 15[B66D, E21B]
9038731 Workover riser compensator systemApr 07, 14May 26, 15[E21B]
9010432 Subsea apparatusSep 16, 09Apr 21, 15[E21B]
8985220 Well intervention systemJun 19, 08Mar 24, 15[E21B]
8931567 Control mechanism for subsurface safety valveJan 15, 14Jan 13, 15[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0304,454 Workover Riser Compensator SystemAbandonedJul 05, 07Dec 10, 09[E21B]
2009/0045,368 Axially Energisable Ball ValveAbandonedDec 12, 05Feb 19, 09[F16K]

Top Inventors for This Owner

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