Individual holder
PLUNKETT KEVIN R
US·3 granted patents·9 citations·filing 2009–2010
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0172US8534317B2Hydraulically controlled barrier valve equalizing systemPLUNKETT KEVIN R·Filed 2010·Granted Sep 17, 2013·5 cites·19 claims
- 0257US8534361B2Multi-stage pressure equalization valve assembly for subterranean valvesPLUNKETT KEVIN R·Filed 2009·Granted Sep 17, 2013·3 cites·22 claims
- 0341US8261835B2Dual acting rod piston control systemPLUNKETT KEVIN R·Filed 2009·Granted Sep 11, 2012·1 cites·16 claims
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