Assignee
RAVENSBERGEN JOHN E
CA·3 granted patents·1 pending application·22 citations·filing 2006–2012
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0181US8276677B2Coiled tubing bottom hole assembly with packer and anchor assemblyRAVENSBERGEN JOHN E·Filed 2009·Granted Oct 2, 2012·17 cites·38 claims
- 0272US8651192B2Coiled tubing bottom hole assembly with packer and anchor assemblyRAVENSBERGEN JOHN E·Filed 2012·Granted Feb 18, 2014·3 cites·50 claims
- 0368US8302692B2Valve for a sand slurry systemRAVENSBERGEN JOHN E·Filed 2012·Granted Nov 6, 2012·2 cites·7 claims
- 0435US2007151735A1Concentric coiled tubing annular fracturing stringRAVENSBERGEN JOHN E·Filed 2006·Application pending·0 cites
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