Assignee
GRUBERT MARCEL A
US·3 granted patents·2 citations·filing 2013–2015
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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →