HYDRIL USA DISTRIBUTION, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 4256
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING865
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 794
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 540
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 359
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 381
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 275
 
  
 
A61N ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY 1106
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
E02F DREDGING; SOIL-SHIFTING 144

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,320 HIGH PRESSURE BLOWOUT PREVENTER SYSTEMSep 15, 17Mar 15, 18[G05B, F15B, E21B]
2017/0159,394 Proportional Electrohydraulic Servo Valve Closed Loop Feedback Control of Pressure Reducing and Relieving Hydraulic CircuitDec 02, 15Jun 08, 17[F16K, G05B, E21B]
2017/0045,044 PUMP CHAMBER POSITION INDICATORAug 10, 16Feb 16, 17[F04B, E21B]
2016/0340,988 Systems and Methods for Sensing Engagement in Hazardous Rated EnvironmentsMay 20, 16Nov 24, 16[G01D, E21B]
2016/0177,653 Hydraulic Valve Arrangement for Blowout PreventerDec 16, 15Jun 23, 16[E21B]
2016/0179,106 PRESSURE REGULATOR FOR FLUID HAMMER REDUCTIONDec 16, 15Jun 23, 16[F16K, G05D, E21B]
2016/0181,780 Systems and Methods for Subsea Cable Ground Fault IsolationDec 17, 15Jun 23, 16[H02H]
2016/0069,472 VISUAL RAM POSITION INDICATOR APPARATUSES AND METHODSNov 16, 15Mar 10, 16[F16K]
2016/0017,685 Ram Blowout Preventer Piston Rod SubassemblyJul 16, 15Jan 21, 16[E21B]
2015/0101,674 SUBSEA PRESSURE REGULATORDec 18, 14Apr 16, 15[F16K, G05D, E21B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9863549 Visual ram position indicator apparatuses and methodsNov 16, 15Jan 09, 18[F16K, E21B]
9850730 Ram blowout preventer piston rod subassemblyJul 16, 15Dec 26, 17[E21B]
9828824 Hydraulic re-configurable and subsea repairable control system for deepwater blow-out preventersNov 11, 15Nov 28, 17[E21B]
9822602 Blind shear ramOct 07, 14Nov 21, 17[E21B]
9803448 SIL rated system for blowout preventer controlSep 30, 15Oct 31, 17[G05B, E21B]
9790761 Boltless ram blowout preventer bonnetJun 29, 15Oct 17, 17[F16K, F16L, F16B, E21B]
9759018 System and method of alignment for hydraulic couplingDec 09, 15Sep 12, 17[E21B]
9580988 Variable ram packer with strain reduction featuresDec 08, 15Feb 28, 17[E21B]
9534458 Hydraulic cushionSep 06, 13Jan 03, 17[F04B, E21B]
9528340 Solenoid valve housings for blowout preventerDec 16, 15Dec 27, 16[F16K, E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0254,167 BLOWOUT PREVENTER PACKER INSERTAbandonedMar 02, 16Sep 07, 17[B29C, E21B]
2017/0107,778 Boltless Locking of BOP BonnetAbandonedOct 19, 15Apr 20, 17[E21B]
2016/0076,331 MODULAR, RETRIEVABLE VALVE PACKS FOR BLOWOUT PREVENTER MULTIPLEXER CONTROLSAbandonedSep 15, 15Mar 17, 16[E21B]
2015/0240,578 MODULAR MUD LIFT PUMP ASSEMBLYAbandonedFeb 21, 14Aug 27, 15[E21B]

Top Inventors for This Owner

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