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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 789
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9739104 Conveyor apparatusJan 23, 15Aug 22, 17[B66D, E21B]
9732571 Injector head chain synchronization deviceNov 19, 14Aug 15, 17[E21B]
9482064 Drum unit with an arch compensator for a well intervention stringMay 30, 13Nov 01, 16[B66D, E21B]
9169102 Drum unit for a well intervention stringDec 21, 12Oct 27, 15[B65H, B66D, E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0315,861 WELL OPERATION METHOD AND A WELL OPERATION EQUIPMENT SYSTEM FOR HANDLING A CONTINUOUS ELONGATE DEVICE TO BE INSERTABLE INTO A WELLAbandonedSep 19, 14Nov 05, 15[B60P, E21B]
2014/0060,807 INJECTOR FOR LOGGING OR INTERVENTION STRINGAbandonedAug 27, 13Mar 06, 14[E21B]
2014/0041,853 Coiled Tubing Injector SkateAbandonedAug 07, 12Feb 13, 14[E21B]

Top Inventors for This Owner

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