Assignee
MURRAY DOUGLAS J
US·5 granted patents·2 pending applications·116 citations·filing 1979–2012
Top patents by PatentIndex Score
7 records- 0197US8291982B2Multi-position valve for fracturing and sand control and associated completion methodsMURRAY DOUGLAS J·Filed 2011·Granted Oct 23, 2012·31 cites·6 claims
- 0293US8171994B2Multi-position valve for fracturing and sand control and associated completion methodsMURRAY DOUGLAS J·Filed 2011·Granted May 8, 2012·16 cites·21 claims
- 0393US4258826ACombination stepladder and load lifting apparatusMURRAY DOUGLAS J·Filed 1979·Granted Mar 31, 1981·69 cites·7 claims
- 0445US8939221B2High pressure lock assemblyMURRAY DOUGLAS J·Filed 2012·Granted Jan 27, 2015·0 cites·11 claims
- 0545US8733450B2Tubular seating system and method of seating a plugMURRAY DOUGLAS J·Filed 2011·Granted May 27, 2014·0 cites·18 claims
- 0641US2006191688A1Multilateral reference pointMURRAY DOUGLAS J·Filed 2006·Application pending·0 cites
- 0739US2013175051A1High pressure lock assemblyMURRAY DOUGLAS J·Filed 2012·Application pending·0 cites
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