Individual holder
ERSAN SILVINO M
US·3 granted patents·9 citations·filing 2012–2012
Individually held — no corporate assignee on record.
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0164US9080390B2Turbine driven reaming bit with profile limiting torque fluctuationERSAN SILVINO M·Filed 2012·Granted Jul 14, 2015·3 cites·23 claims
- 0264US8978787B2Turbine driven reaming bit with blades and cutting structure extending into concave noseERSAN SILVINO M·Filed 2012·Granted Mar 17, 2015·3 cites·12 claims
- 0363US8973685B2Turbine driven reaming bit with stability and cutting efficiency featuresERSAN SILVINO M·Filed 2012·Granted Mar 10, 2015·3 cites·12 claims
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