Assignee
PLEXUS OCEAN SYST LTD
GB·13 granted patents·470 citations·filing 1987–2020
Top patents by PatentIndex Score
13 records- 0188US7648176B2Pipe jointPLEXUS OCEAN SYST LTD·Filed 2007·Granted Jan 19, 2010·16 cites·8 claims
- 0287US4856592AAnnulus cementing and washout systems for wellsPLEXUS OCEAN SYST LTD·Filed 1987·Granted Aug 15, 1989·115 cites·9 claims
- 0383US7740061B2Externally activated seal system for wellheadPLEXUS OCEAN SYST LTD·Filed 2007·Granted Jun 22, 2010·25 cites·13 claims
- 0479US4938289ASurface wellheadPLEXUS OCEAN SYST LTD·Filed 1988·Granted Jul 3, 1990·55 cites·23 claims
- 0575US7128143B2Externally activated seal system for wellheadPLEXUS OCEAN SYST LTD·Filed 2003·Granted Oct 31, 2006·39 cites·40 claims
- 0670US4794988ASurface wellheadPLEXUS OCEAN SYST LTD·Filed 1987·Granted Jan 3, 1989·41 cites·10 claims
- 0769US7344162B2Pipe jointPLEXUS OCEAN SYST LTD·Filed 2001·Granted Mar 18, 2008·21 cites·6 claims
- 0868US6571877B1WellheadPLEXUS OCEAN SYST LTD·Filed 1998·Granted Jun 3, 2003·67 cites·19 claims
- 0959US6092596AClamping well casingsPLEXUS OCEAN SYST LTD·Filed 1998·Granted Jul 25, 2000·38 cites·24 claims
- 1058US7111688B2Clamping well casingsPLEXUS OCEAN SYST LTD·Filed 2003·Granted Sep 26, 2006·35 cites·42 claims
- 1145US7104318B2Self-contained centralizer systemPLEXUS OCEAN SYST LTD·Filed 2004·Granted Sep 12, 2006·9 cites·20 claims
- 1233US12049796B2Crown plug securement systemPLEXUS OCEAN SYST LTD·Filed 2020·Granted Jul 30, 2024·0 cites·18 claims
- 1332US6095243AWashout arrangement for a wellPLEXUS OCEAN SYST LTD·Filed 1998·Granted Aug 1, 2000·9 cites·8 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →