Inventor · disambiguated record
Charles Grigor
Also filed as: GRIGOR CHARLES
3 granted patents·26 citations·filing 2008–2013
66Inventor score
Technology areasE21B
Files withSMITH INTERNATIONAL3
Top patents by PatentIndex Score
3 records- 0177US7708088B2Vibrating downhole toolSMITH INTERNATIONAL·Filed 2008·Granted May 4, 2010·21 cites·20 claims
- 0269US9347268B2System and method to facilitate the drilling of a deviated boreholeSMITH INTERNATIONAL·Filed 2012·Granted May 24, 2016·4 cites·28 claims
- 0355US9512690B2Milling cutter having undulating chip breakerSMITH INTERNATIONAL·Filed 2013·Granted Dec 6, 2016·1 cites·21 claims
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