SUBSEA 7 LIMITED

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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 GENERAL2743
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 1325
 
  
 
E21B EARTH OR ROCK DRILLING 1086
 
  
 
B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS 710
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 291
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS 214
 
  
 
E02B HYDRAULIC ENGINEERING 216
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 126
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0074,424 Transportation and Installation of Elongate Subsea ElementsMar 09, 15Mar 16, 17[F16L, F17D, B63B]
2016/0025,240 PipelayingMar 03, 14Jan 28, 16[F16L]
2014/0375,049 Connections for Subsea Pipe-in-Pipe StructuresJan 25, 13Dec 25, 14[F16L, B23P]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909689 PipelayingMar 03, 14Mar 06, 18[F16L]
9909690 Transportation and installation of elongate subsea elementsMar 09, 15Mar 06, 18[F16L, F17D, B63B]
9909696 Techniques for joining lined pipelinesOct 17, 16Mar 06, 18[F16L, B23K]
9857011 Connections for subsea pipe-in-pipe structuresJan 25, 13Jan 02, 18[F16L, B23P]
9719613 PipelayingAug 11, 15Aug 01, 17[F16L]
9664307 Improvements relating to abandonment and recovery of pipelinesFeb 06, 14May 30, 17[F16L]
9488304 Techniques for joining lined pipelinesJun 10, 11Nov 08, 16[F16L, F16J]
9422773 Relating to buoyancy-supported risersOct 07, 13Aug 23, 16[B63B, E21B]
9387911 Launch and recovery techniques for submersible vehicles and other payloadsNov 15, 12Jul 12, 16[B63G, B63C, B66D, B63B, E21B]
9234400 Subsea pump systemMar 08, 12Jan 12, 16[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0136,540 WELDING METHOD OF A FIRST TO A SECOND TUBULAR, THE TUBULARS COMPRISING A CORROSION RESISTANT ALLOY ON AN INTERNAL FACE THEREOFAbandonedApr 26, 11May 30, 13[F16L, B23K]
2012/0325,357 PIPE CLAMP DEVICEAbandonedDec 07, 10Dec 27, 12[F16L, B23P]
2012/0189,472 POWER UNITAbandonedApr 02, 10Jul 26, 12[F04B]
2011/0253,661 OFFSHORE LIFTING OPERATIONSAbandonedOct 22, 09Oct 20, 11[B66C]
2011/0188,941 APPARATUS FOR USE IN LAYING PIPE ON THE SEA FLOORAbandonedAug 12, 09Aug 04, 11[F16L]
2011/0142,543 Method of Using Sacrificial Pipe StringAbandonedMar 02, 10Jun 16, 11[F16L]
2007/0059,104 Method and Apparatus For Deploying PipelineAbandonedSep 08, 06Mar 15, 07[F16L]
7070360 Apparatus and methodExpiredJan 31, 05Jul 04, 06[F16L]
6981525 Tubular insulating apparatus and methodExpiredNov 08, 04Jan 03, 06[F16L]

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