DRIL-QUIP, 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 8832
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL1060
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS446
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING469
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 137
 
  
 
E02B HYDRAULIC ENGINEERING 117
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144
 
  
 
F15D FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS 110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9784052 Enhanced ram-style riser tensioner cylinderNov 19, 15Oct 10, 17[F15B, E21B]
9784064 Methods and systems for operating a downhole toolJul 10, 14Oct 10, 17[E21B]
9708863 Riser monitoring system and methodDec 07, 15Jul 18, 17[E21B]
9695644 Smart riser handling toolDec 07, 15Jul 04, 17[E21B]
9682752 Deflection absorbing tensioner frameJul 21, 15Jun 20, 17[B63B, E21B]
9540888 Wear bushing for locking to a wellheadJul 08, 11Jan 10, 17[E21B]
9540890 Methods and systems for tensioner connectionJun 23, 15Jan 10, 17[E21B]
9470049 Hydro-pneumatic tensioner with fluid retention deviceJan 21, 14Oct 18, 16[F16L, F15B, F04B, E21B, F16J]
9422786 Hybrid-tieback seal assemblyMay 07, 13Aug 23, 16[E21B]
9366105 Casing hanger lockdown sleeveJul 01, 11Jun 14, 16[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0158,376 ADJUSTABLE HANGER SYSTEM AND METHODAbandonedDec 11, 12Jun 12, 14[E21B]
2011/0030,964 Control Module With Dual Ball Valve AssembliesAbandonedAug 05, 09Feb 10, 11[E21B]
2009/0102,132 External Pressure GasketAbandonedOct 17, 07Apr 23, 09[E21B]
2008/0217,569 Low Torque Gate Valve MechanismAbandonedMar 04, 08Sep 11, 08[F16K]
2008/0083,891 Gate Valve ActuatorAbandonedOct 01, 07Apr 10, 08[F16K]
2007/0286,672 Insert for High Stress ConnectionAbandonedApr 30, 07Dec 13, 07[F16B]
2007/0056,155 Method of installing flange on tubular body at desired elevationAbandonedSep 15, 03Mar 15, 07[B21D]
2007/0013,146 Sealing ring and methodAbandonedJul 14, 05Jan 18, 07[F16L]
2006/0017,287 Tie-back connection for subsea wellAbandonedSep 09, 03Jan 26, 06[F16L]
2005/0284,639 Pressure-compensated flow shut-off sleeve for wellhead and subsea well assembly including sameAbandonedJun 27, 05Dec 29, 05[E21B]
2005/0252,556 Control ball valveAbandonedApr 26, 05Nov 17, 05[F15B]
2005/0241,821 System and method for well workover with horizontal treeAbandonedMar 10, 05Nov 03, 05[E21B]
2005/0155,225 Match lapping valve assembliesAbandonedJan 12, 05Jul 21, 05[B23P, B21K]
2005/0156,131 Fire resistant valve assembliesAbandonedJan 12, 05Jul 21, 05[F16K]
2005/0067,167 Radial penetrator assembly and methodAbandonedSep 25, 03Mar 31, 05[E21B]
2004/0262,010 Horizontal tree assemblyAbandonedJun 22, 04Dec 30, 04[E21B]
6598680 Subsea wellhead equipmentExpiredJun 24, 02Jul 29, 03[E21B]
6173782 Cable connectorExpiredJul 29, 99Jan 16, 01[E21B]
5395183 Offshore drilling apparatusExpiredAug 30, 93Mar 07, 95[E02B, E21B]
5309991 Wellhead connectorExpiredMar 04, 93May 10, 94[E21B]

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