Assignee
HERN GREGORY L
US·4 granted patents·1 pending application·16 citations·filing 2010–2022
Top patents by PatentIndex Score
5 records- 0182US8511375B2Wellbore cleaning devicesHERN GREGORY L·Filed 2010·Granted Aug 20, 2013·10 cites·24 claims
- 0271US8336626B2Downhole magnetic retrieval devices with fixed magnetic arraysHERN GREGORY L·Filed 2010·Granted Dec 25, 2012·4 cites·25 claims
- 0370US12044086B2Annular pressure activated downhole toolHERN GREGORY L·Filed 2022·Granted Jul 23, 2024·0 cites·20 claims
- 0463US8387700B2Wellbore debris cleanout assembly and method to remove debris from a debris catcherHERN GREGORY L·Filed 2010·Granted Mar 5, 2013·2 cites·19 claims
- 0534US2011284210A1Dual-Pole Magnetic Attraction Downhole Magnetic Retrieval ApparatusHERN GREGORY L·Filed 2010·Application pending·0 cites
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