Inventor · disambiguated record
David Truax
Also filed as: TRUAX DAVID · TRUAX DAVID K
24 granted patents·4 pending applications·1,594 citations·filing 1987–2015
97Inventor score
Files withSMITH INTERNATIONAL20CAMCO DRILLING GROUP LTD1CAMCO INT UK LTD1LUSKA ROBERT1SMITH INTERNAT1
Top patents by PatentIndex Score
28 records- 0198US5732783AIn or relating to rotary drill bitsCAMCO DRILLING GROUP LTD·Filed 1996·Granted Mar 31, 1998·145 cites·6 claims
- 0296US6474425B1Asymmetric diamond impregnated drill bitSMITH INTERNATIONAL·Filed 2000·Granted Nov 5, 2002·212 cites·63 claims
- 0395US6269893B1Bi-centered drill bit having improved drilling stability mud hydraulics and resistance to cutter damageSMITH INTERNATIONAL·Filed 1999·Granted Aug 7, 2001·182 cites·119 claims
- 0495US5833021ASurface enhanced polycrystalline diamond composite cuttersSMITH INTERNATIONAL·Filed 1996·Granted Nov 10, 1998·222 cites·21 claims
- 0594US5667028AMultiple diamond layer polycrystalline diamond composite cuttersSMITH INTERNATIONAL·Filed 1995·Granted Sep 16, 1997·218 cites·21 claims
- 0693US6991049B2Cutting elementSMITH INTERNATIONAL·Filed 2002·Granted Jan 31, 2006·79 cites·28 claims
- 0792US7017677B2Coarse carbide substrate cutting elements and method of forming the sameSMITH INTERNATIONAL·Filed 2003·Granted Mar 28, 2006·109 cites·31 claims
- 0883US7165636B2Cutting element with canted interface surface and bit body incorporating the sameSMITH INTERNATIONAL·Filed 2005·Granted Jan 23, 2007·14 cites·6 claims
- 0982US6880650B2Advanced expandable reaming toolSMITH INTERNATIONAL·Filed 2004·Granted Apr 19, 2005·45 cites·20 claims
- 1082US4749363AExtension cord safety boxLUSKA ROBERT·Filed 1987·Granted Jun 7, 1988·63 cites·4 claims
- 1181US5944128AMatrix hard facing by lost wax processCAMCO INT UK LTD·Filed 1998·Granted Aug 31, 1999·28 cites·3 claims
- 1276US6394202B2Drill bit having diamond impregnated inserts primary cutting structureSMITH INTERNATIONAL·Filed 1999·Granted May 28, 2002·67 cites·27 claims
- 1373US6725953B2Drill bit having diamond impregnated inserts primary cutting structureSMITH INTERNATIONAL·Filed 2002·Granted Apr 27, 2004·39 cites·30 claims
- 1473US6405814B1Cutting element with canted design for improved braze contact areaSMITH INTERNATIONAL·Filed 2000·Granted Jun 18, 2002·24 cites·31 claims
- 1571US7451836B2Advanced expandable reaming toolSMITH INTERNATIONAL·Filed 2001·Granted Nov 18, 2008·29 cites·19 claims
- 1671US6464024B2Bi-centered drill bit having improved drilling stability, mud hydraulics and resistance to cutter damageSMITH INTERNATIONAL·Filed 2001·Granted Oct 15, 2002·32 cites·67 claims
- 1770US6202772B1Cutting element with canted design for improved braze contact areaSMITH INTERNAT·Filed 1998·Granted Mar 20, 2001·33 cites·33 claims
- 1859US7451837B2Advanced expandable reaming toolSMITH INTERNATIONAL·Filed 2004·Granted Nov 18, 2008·16 cites·18 claims
- 1955US7395885B2Cutting element with canted interface surface and bit body incorporating the sameSMITH INTERNATIONAL·Filed 2007·Granted Jul 8, 2008·2 cites·21 claims
- 2046US7703560B2Cutting element with canted interface surface and bit body incorporating the sameSMITH INTERNATIONAL·Filed 2008·Granted Apr 27, 2010·0 cites·8 claims
- 2146US6808031B2Drill bit having large diameter PDC cuttersSMITH INTERNATIONAL·Filed 2001·Granted Oct 26, 2004·8 cites·23 claims
- 2246US2015339948A1Interactive Systems for Providing Work Details for a User in Oil and Gas OperationsWOOD THOMAS JAMES·Filed 2015·Application pending·0 cites
- 2343US5947216ACutter assembly for rock bits with back support grooveSMITH INTERNATIONAL·Filed 1997·Granted Sep 7, 1999·18 cites·22 claims
- 2442US6883622B2Method for drilling a wellbore using a bi-center drill bitSMITH INTERNATIONAL·Filed 2001·Granted Apr 26, 2005·7 cites·4 claims
- 2540US7461709B2Multiple diameter cutting elements and bits incorporating the sameSMITH INTERNATIONAL·Filed 2004·Granted Dec 9, 2008·2 cites·52 claims
- 2637US2003079918A1Method for forming cutting elementsFiled 2002·Application pending·0 cites
- 2734US2003075584A1Method and apparatus for friction stir weldingFiled 2002·Application pending·0 cites
- 2829US2003136588A1Roller 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 →