Assignee
ZIMMERMAN PATRICK J
US·3 granted patents·1 pending application·22 citations·filing 2009–2011
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0179US8893810B2Arrangement of isolation sleeve and cluster sleeves having pressure chambersZIMMERMAN PATRICK J·Filed 2010·Granted Nov 25, 2014·7 cites·30 claims
- 0273US8695709B2Self-orienting crossover toolZIMMERMAN PATRICK J·Filed 2010·Granted Apr 15, 2014·5 cites·38 claims
- 0371US8069918B2Magnetic slip retention for downhole toolZIMMERMAN PATRICK J·Filed 2009·Granted Dec 6, 2011·10 cites·14 claims
- 0445US2012043070A1Magnetic Slip Retention for Downhole ToolZIMMERMAN PATRICK J·Filed 2011·Application pending·0 cites
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