TRANSOCEAN OFFSHORE DEEPWATER DRILLING 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 1383
 
  
 
E02B HYDRAULIC ENGINEERING 216
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 137
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8485260 Modular backup fluid supply systemMar 30, 12Jul 16, 13[E21B]
8292548 Method and apparatus for improving the lateral support provided by the legs of a jack-up drilling rigMay 26, 09Oct 23, 12[E02B]
8186441 Modular backup fluid supply systemJun 11, 10May 29, 12[E21B]
7975770 Dual-BOP and common riser systemDec 22, 06Jul 12, 11[E21B]
7863773 Apparatus for the redundant power supply of at least one loadApr 11, 06Jan 04, 11[H02J]
7757772 Modular backup fluid supply systemAug 02, 06Jul 20, 10[E21B]
6443240 Dual riser assembly, deep water drilling method and apparatusOct 06, 99Sep 03, 02[E21B]
6273193 Dynamically positioned, concentric riser, drilling method and apparatusDec 16, 98Aug 14, 01[E21B]
6179057 Apparatus and method for killing or suppressing a subsea wellJul 14, 99Jan 30, 01[E21B]
6173781 Slip joint intervention riser with pressure seals and method of using the sameOct 28, 98Jan 16, 01[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0101,350 MODULAR BACKUP FLUID SUPPLY SYSTEMAbandonedAug 02, 06Apr 23, 09[E21B]

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