Assignee
HEDRICK MARCELLE H
US·2 granted patents·1 pending application·4 citations·filing 2011–2019
Top patents by PatentIndex Score
3 records- 0166US8973667B2Packing element with full mechanical circumferential supportHEDRICK MARCELLE H·Filed 2012·Granted Mar 10, 2015·4 cites·17 claims
- 0244US11078747B2Mechanism for retaining and releasing pump down plugHEDRICK MARCELLE H·Filed 2019·Granted Aug 3, 2021·0 cites·19 claims
- 0337US2012175846A1Threaded device with metal to metal seal and methodHEDRICK MARCELLE H·Filed 2011·Application pending·0 cites
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