Inventor · disambiguated record

Marcel A. Grubert

Also filed as: GRUBERT MARCEL A

3 granted patents·2 citations·filing 2013–2015

49Inventor score

Technology areasE21B

Files withGRUBERT MARCEL A3

Top patents by PatentIndex Score

3 records

0152US10082000B2Apparatus and method for isolating fluid flow in an open hole completionGRUBERT MARCEL A·Filed 2013·Granted Sep 25, 2018·2 cites·22 claims
0232US10087713B2Internal subsurface safety valve for rotating downhole pumpsGRUBERT MARCEL A·Filed 2015·Granted Oct 2, 2018·0 cites·38 claims
0327US9856720B2Bidirectional flow control device for facilitating stimulation treatments in a subterranean formationGRUBERT MARCEL A·Filed 2015·Granted Jan 2, 2018·0 cites·32 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →