Assignee
NELSON NORMAN A
US·9 granted patents·398 citations·filing 1974–1989
Top patents by PatentIndex Score
9 records- 0196US4526406AWellhead connectorNELSON NORMAN A·Filed 1981·Granted Jul 2, 1985·116 cites·18 claims
- 0288US4216835ASystem for connecting an underwater platform to an underwater floorNELSON NORMAN A·Filed 1978·Granted Aug 12, 1980·66 cites·3 claims
- 0386US4453745ALockdown mechanism for wellhead connectorNELSON NORMAN A·Filed 1981·Granted Jun 12, 1984·50 cites·19 claims
- 0471US3934658AModular underwater well platform systemNELSON NORMAN A·Filed 1974·Granted Jan 27, 1976·28 cites·15 claims
- 0567US4958686ASubsea well completion system and method of operationNELSON NORMAN A·Filed 1989·Granted Sep 25, 1990·39 cites·5 claims
- 0663US4773477AWell suspension assemblyNELSON NORMAN A·Filed 1987·Granted Sep 27, 1988·35 cites·8 claims
- 0761US3972546ALocking assembly and a seal assembly for a wellNELSON NORMAN A·Filed 1975·Granted Aug 3, 1976·24 cites·18 claims
- 0856US4989902ARatcheting and threaded well connectorNELSON NORMAN A·Filed 1988·Granted Feb 5, 1991·27 cites·10 claims
- 0945US4232889ARecockable well hangerNELSON NORMAN A·Filed 1978·Granted Nov 11, 1980·13 cites·1 claims
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