Inventor · disambiguated record

John Clunan

Also filed as: CLUNAN JOHN

2 granted patents·3 citations·filing 2009–2015

46Inventor score

Technology areasE21B

Files withPORTWOOD GARY1 SMITH INTERNATIONAL1

Top patents by PatentIndex Score

2 records

0160US9856701B2Rolling cone drill bit having high density cutting elementsSMITH INTERNATIONAL·Filed 2015·Granted Jan 2, 2018·1 cites·20 claims
0238US9074431B2Rolling cone drill bit having high density cutting elementsPORTWOOD GARY·Filed 2009·Granted Jul 7, 2015·2 cites·23 claims

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