Assignee
MURRAY DOUGLAS J
5 patents
Top patents by PatentIndex Score
US4258826AMar 31, 1981
Combination stepladder and load lifting apparatus
MURRAY DOUGLAS J69 citations96
US8291982B2Oct 23, 2012
Multi-position valve for fracturing and sand control and associated completion methods
MURRAY DOUGLAS J31 citations92
US8171994B2May 8, 2012
Multi-position valve for fracturing and sand control and associated completion methods
MURRAY DOUGLAS J16 citations92
US8939221B2Jan 27, 2015
High pressure lock assembly
MURRAY DOUGLAS J0 citations52
US8733450B2May 27, 2014
Tubular seating system and method of seating a plug
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