Inventor · disambiguated record
Douglas Rock
Also filed as: ROCK DOUGLAS · ROCK DOUGLAS LAWRENCE
2 granted patents·1 pending application·5 citations·filing 2002–2007
48Inventor score
Technology areasE21B
Files withSMITH INTERNATIONAL2
Top patents by PatentIndex Score
3 records- 0133US7571778B2Method of drilling a bore holeSMITH INTERNATIONAL·Filed 2007·Granted Aug 11, 2009·0 cites·10 claims
- 0233US7284623B2Method of drilling a bore holeSMITH INTERNATIONAL·Filed 2002·Granted Oct 23, 2007·5 cites·9 claims
- 0329US2003136588A1Roller cone drill bit having designed walk characteristicsFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →