NATIONAL COUPLING COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL6016
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING1063
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS644
 
  
 
E21B EARTH OR ROCK DRILLING 492
 
  
 
F17D PIPE-LINE SYSTEMS; PIPE-LINES 212
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 282
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0159,363 Pressure-Energized Probe Seal for Female Hydraulic Coupling MemberFeb 17, 14Jun 12, 14[F16K, F16L, F16J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9841130 Pressure-energized probe seal for female hydraulic coupling memberOct 27, 10Dec 12, 17[F16K, F16L, F16J]
9810336 Subsea BOP control system with dual-action check valveSep 02, 16Nov 07, 17[F16K, E21B]
9523262 Method for autonomous control of a chemical injection system for oil and gas wellsJul 02, 15Dec 20, 16[G05B, G05D, E21B]
9416886 Hydraulic coupling member with pressure-relieving poppet valveFeb 05, 14Aug 16, 16[F16K, F16L]
9255465 Method for autonomous control of a chemical injection system for oil and gas wellsNov 02, 07Feb 09, 16[G05D, E21B]
9145983 Dummy undersea hydraulic coupling memberNov 12, 13Sep 29, 15[F16L, E21B]
8689828 Hydraulic coupling member with pressure-relieving poppet valveAug 24, 11Apr 08, 14[F16K, F16L]
8662503 Method and apparatus for piston-actuated elastomer probe seal in a hydraulic coupling memberDec 16, 11Mar 04, 14[F16J]
8555914 Method for autonomous control of a chemical injection systems for oil and gas wellsJan 02, 13Oct 15, 13[F16K]
8313105 Method and apparatus for piston-actuated elastomer probe seal in a hydraulic coupling memberAug 11, 08Nov 20, 12[F16J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0292,899 Hydraulic Coupling Member With Dual Electrical Bonding ContactsAbandonedJul 31, 12Nov 22, 12[F16L]
2011/0248,497 Pressure-Energized Probe Seal for Female Hydraulic Coupling MemberAbandonedApr 09, 10Oct 13, 11[F16L, F16J]
2011/0101,675 Hydraulic Coupling Member with Dual Electrical Bonding ContactsAbandonedNov 04, 09May 05, 11[F16L]
2009/0200,793 CROWN SEAL WITH INTEGRAL SEALING PROJECTIONS FOR UNDERSEA HYDRAULIC COUPLINGSAbandonedFeb 07, 08Aug 13, 09[F16L]
2008/0203,672 PRESSURE-ENERGIZED SHAFT SEALAbandonedFeb 28, 07Aug 28, 08[B61F, F16J]
2005/0072,573 Undersea hydraulic coupling for use with manifold platesAbandonedOct 06, 03Apr 07, 05[E21B]
5099882 Pressure balanced hydraulic coupling with metal sealsExpiredJan 11, 91Mar 31, 92[F16L]
5052439 Undersea hydraulic coupling with dovetail sealExpiredAug 18, 89Oct 01, 91[F16L]
5029613 Hydraulic coupler with radial metal sealExpiredSep 28, 90Jul 09, 91[F16L]
5015016 Internal pressure loaded V-seal connectorExpiredApr 03, 89May 14, 91[F16L]
4915419 Sliding lock plate for hydraulic connectorsExpiredOct 28, 88Apr 10, 90[F16L]
4900071 Undersea hydraulic coupling with dovetail sealExpiredAug 24, 88Feb 13, 90[F16L]
4884584 Internally preloaded metal-to-metal seal hydraulic connectorExpiredAug 14, 87Dec 05, 89[F16L]
4858648 Self-flushing hydraulic couplingExpiredAug 28, 87Aug 22, 89[F16L]
4854615 Metal sealed joint for large diameter rocket motor casingsExpiredSep 01, 87Aug 08, 89[G16J]
4817668 Integral metal seal for hydraulic couplingExpiredOct 02, 87Apr 04, 89[F16L]
4813454 Undersea coupling with pressure balancing portsExpiredAug 17, 87Mar 21, 89[F16L]
4754780 Pressure balanced hydraulic couplingExpiredFeb 10, 87Jul 05, 88[F16L]
4694859 Undersea hydraulic coupling and metal sealExpiredNov 25, 85Sep 22, 87[F16L]

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