Gotaverken Arendel AB

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5197825 Tendon for anchoring a semisubmersible platformExpiredAug 23, 88Mar 30, 93[E02D]
4823719 Semisubmersible vessel having means for increasing stability and dampen motionExpiredJan 20, 88Apr 25, 89[B63B]
4818147 Tendon for anchoring a semisubmersible platformExpiredOct 30, 87Apr 04, 89[E02B, B63B]
4685409 Device for the storing of oilExpiredMay 24, 85Aug 11, 87[B63B]
4662302 Semi-submersible offshore vesselExpiredAug 13, 84May 05, 87[B63B]
4662789 Hydrostatic coupling deviceExpiredJul 26, 85May 05, 87[E02D]
4613001 Weather protected offshore drilling rigExpiredAug 13, 84Sep 23, 86[B63B, E21B]
4586907 Means for mounting a thruster propeller unitExpiredOct 31, 84May 06, 86[B63H]
4580517 Vessel having parallel hulls with 360 degree rotatable thrustersExpiredFeb 23, 84Apr 08, 86[B63H]
4565150 Offshore vesselExpiredDec 06, 83Jan 21, 86[B63B]
4479450 Floating dockExpiredSep 01, 83Oct 30, 84[B63C]
4436050 Semi-submersible vesselExpiredOct 07, 81Mar 13, 84[B63B]
4273061 Floating dockExpiredMay 25, 78Jun 16, 81[B63B]
4257585 Supporting structureExpiredSep 25, 79Mar 24, 81[B25B]

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