Assignee
DEWEY CHARLES H
US·5 granted patents·1 pending application·39 citations·filing 2005–2012
Technology mixE21B6
Top patents by PatentIndex Score
6 records- 0189US8122977B2Cutting device with multiple cutting structuresDEWEY CHARLES H·Filed 2010·Granted Feb 28, 2012·12 cites·19 claims
- 0281US8459357B2Milling system and method of millingDEWEY CHARLES H·Filed 2010·Granted Jun 11, 2013·7 cites·27 claims
- 0375US8967300B2Pressure activated flow switch for a downhole toolDEWEY CHARLES H·Filed 2012·Granted Mar 3, 2015·7 cites·6 claims
- 0475US8881845B2Expandable window milling bit and methods of milling a window in casingDEWEY CHARLES H·Filed 2012·Granted Nov 11, 2014·4 cites·17 claims
- 0567US8186458B2Expandable window milling bit and methods of milling a window in casingDEWEY CHARLES H·Filed 2005·Granted May 29, 2012·9 cites·33 claims
- 0642US2007187085A1One trip milling systemDEWEY CHARLES H·Filed 2007·Application pending·0 cites
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