DEEP OIL TECHNOLOGY, INCORPORATED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 690
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 434
 
  
 
E02B HYDRAULIC ENGINEERING 414
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 419
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 120
 
  
 
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
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 148
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6386798 Universal catenary riser supportMar 30, 99May 14, 02[E02B]
6299383 Method for deck installations on offshore substructureJun 14, 99Oct 09, 01[E02D]
6250199 Subsea power moduleApr 27, 99Jun 26, 01[F15B]
6206614 Floating offshore drilling/producing structureApr 27, 98Mar 27, 01[B63B]
6176646 Riser guide and support mechanismOct 23, 98Jan 23, 01[E21B]
6135673 Method/apparatus for assembling a floating offshore structureJun 19, 98Oct 24, 00[E02B]
5924822 Method for deck installation on an offshore substructureOct 15, 97Jul 20, 99[E02D]
5881815 Drilling, production, test, and oil storage caissonSep 17, 97Mar 16, 99[E21B]
5873416 Drilling, production, test, and oil storage caissonSep 17, 97Feb 23, 99[E21B]
5873677 Stress relieving joint for riserAug 21, 97Feb 23, 99[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5758990 Riser tensioning deviceExpiredFeb 21, 97Jun 02, 98[E21B]
5609442 Offshore apparatus and method for oil operationsExpiredAug 10, 95Mar 11, 97[E02B]
5355289 Lighted serving trayExpiredAug 02, 93Oct 11, 94[F21V]
4740109 Multiple tendon compliant tower constructionExpiredSep 24, 85Apr 26, 88[F16L, E21B]
4702321 Drilling, production and oil storage caisson for deep waterExpiredSep 20, 85Oct 27, 87[B63B, E02D, E21B]
4648750 Jacket tower structure and method of installationExpiredMar 25, 85Mar 10, 87[E02D]

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