CANRIG DRILLING TECHNOLOGY LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 2571
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 5102
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 582
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 417
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR364
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING242
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION158

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0002,612 ACTIVE MONITORING OF ALIGNMENT OF RIG COMPONENTJun 29, 16Jan 05, 17[E21B]
2016/0076,317 Mousehole Assembly for Manipulating Tubulars for Subterranean OperationsMay 02, 14Mar 17, 16[E21B]
2016/0025,265 ACTIVE MONITORING OF HEAVY WEIGHT LUBRICATION OILJul 27, 15Jan 28, 16[F16N, F01M, G01N]
2015/0160,101 Method and System for Testing Operational Integrity of a Drilling RigMay 31, 12Jun 11, 15[G01M, E21B]
2010/0329,905 PERMANENT MAGNET DIRECT DRIVE MUD PUMPDec 02, 09Dec 30, 10[F04B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9863194 System for manipulating tubulars for subterranean operationsMay 02, 14Jan 09, 18[E21B]
9819236 Methods for coupling permanent magnets to a rotor body of an electric motorFeb 02, 15Nov 14, 17[H02K]
9810028 EM gap sub assemblyJan 26, 15Nov 07, 17[E21B]
9793781 Internal closed loop coolingFeb 05, 15Oct 17, 17[H02K]
9771788 Stiction controlMar 23, 15Sep 26, 17[G05B, E21B]
9739098 Assembled drilling rig moving unitMay 28, 14Aug 22, 17[B65G, E21B]
9722522 Method for controlling torque in permanent magnet motor drivesApr 01, 15Aug 01, 17[H02P]
9677350 Fill up and circulation tool and method of operatingNov 10, 14Jun 13, 17[E21B]
9634599 High speed ratio permanent magnet motorDec 28, 15Apr 25, 17[H02P]
9537315 Generator load controlFeb 03, 15Jan 03, 17[H02J, H02P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0263,650 Predictive Landing FailsafeAbandonedMar 13, 15Sep 17, 15[H02P, B66D, E21B]
2014/0255,123 THREADFORM LOCKING DEVICE AND METHODSAbandonedMar 08, 13Sep 11, 14[B23P, F16B]
2013/0284,433 FORCE APPLICATION REDUCTION EMPLOYING ACTUATORAbandonedApr 16, 13Oct 31, 13[E21B]
2013/0284,459 BEARING APPARATUS AND METHODSAbandonedApr 26, 13Oct 31, 13[E21B]
2011/0309,315 TWO SPEED DIRECT DRIVE DRAWWORKSAbandonedSep 07, 10Dec 22, 11[H02K, B66D]
6920926 Top drive well casing systemExpiredJan 16, 04Jul 26, 05[E21B]
6679333 Top drive well casing system and methodExpiredOct 26, 01Jan 20, 04[E21B]

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