FSSL, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D351336 Strap-type securing deviceExpiredOct 14, 91Oct 11, 94[]
5333691 ROV installable junction plate and methodExpiredMay 25, 93Aug 02, 94[F16L, E21B]
5069580 Subsea payload installation systemExpiredSep 25, 90Dec 03, 91[E02B, E02D]
4788448 Power transfer of direct current with inductive couplingsExpiredDec 06, 84Nov 29, 88[H04M]
4777800 Static head charged hydraulic accumulatorExpiredMar 05, 84Oct 18, 88[F01B]
4725839 Remote, inductively coupled, transducer interfaceExpiredDec 21, 84Feb 16, 88[G08C]
4709726 Hydraulic coupler with floating metal sealExpiredFeb 17, 87Dec 01, 87[F16L]
4707041 Subsea well electrical coupling systemExpiredDec 15, 86Nov 17, 87[H01R]
4639714 Combined power and control signal transmission systemExpiredDec 21, 84Jan 27, 87[H04M]
4497369 Hydraulic control of subsea well equipmentExpiredAug 13, 81Feb 05, 85[E21B]

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