VETCO OFFSHORE INDUSTRIES, INC., A CORP. (CHANGED TO)

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4819967 Conductor tieback connectorExpiredFeb 14, 83Apr 11, 89[F16L]
4810010 Composite tubing connector assemblyExpiredFeb 18, 86Mar 07, 89[F16L]
4799827 Modular riser tensioner incorporating integral hydraulic cylinder accumulator unitsExpiredNov 17, 86Jan 24, 89[E02D]
4777800 Static head charged hydraulic accumulatorExpiredMar 05, 84Oct 18, 88[F01B]
4771646 Rotating and indexing mechanismExpiredJan 05, 87Sep 20, 88[F16H]
4771805 Gate valveExpiredNov 16, 83Sep 20, 88[F16K]
4722391 Wellhead systemExpiredJul 31, 86Feb 02, 88[E21B]
4719971 Metal-to-metal/elastomeric pack-off assembly for subsea wellhead systemsExpiredAug 18, 86Jan 19, 88[F21B]
4717183 Conical thread configuration for rapid make-up connectionExpiredMay 29, 85Jan 05, 88[F16L]
4714111 Weight/pressure set pack-off for subsea wellhead systemsExpiredJul 31, 86Dec 22, 87[E21B]
4712620 Upper marine riser packageExpiredJan 31, 85Dec 15, 87[E21B]
4711471 Non-clocking connector with locking anti-rotation tabsExpiredMar 20, 86Dec 08, 87[F16L]
4708524 Remote guideline connectorExpiredSep 20, 85Nov 24, 87[E21B]
4703774 Subsea safety check valve systemExpiredDec 04, 85Nov 03, 87[F16L]
4702481 Wellhead pack-off with undulated metallic seal ring sectionExpiredJul 31, 86Oct 27, 87[F16J]
4696493 Subsea wellhead tieback systemExpiredJun 11, 86Sep 29, 87[F16L]
4693636 Pipeline pull-in method and apparatusExpiredDec 31, 80Sep 15, 87[F16L]
4678209 Casing hangerExpiredOct 21, 85Jul 07, 87[F16L]
4674576 Casing hanger running toolExpiredAug 16, 85Jun 23, 87[E21B]
4658915 Easy break-out tool joint and methodExpiredDec 06, 85Apr 21, 87[F21B]

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