Inventor · disambiguated record
Don Q. Nguyen
Also filed as: NGUYEN DON Q · NGUYEN DON QUY
38 granted patents·8 pending applications·1,137 citations·filing 1998–2021
98Inventor score
Files withBAKER HUGHES INC38ZAHRADNIK ANTON F3BAKER HUGHES A GE CO LLC2BAKER HUGHES HOLDINGS LLC1BAKER HUGHES OILFIELD OPERATIONS LLC1
Top patents by PatentIndex Score
46 records- 0197US7861805B2Conformal bearing for rock drill bitBAKER HUGHES INC·Filed 2008·Granted Jan 4, 2011·35 cites·17 claims
- 0297US6540033B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Apr 1, 2003·167 cites·44 claims
- 0395US6626251B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Sep 30, 2003·115 cites·40 claims
- 0494US7387177B2Bearing insert sleeve for roller cone bitBAKER HUGHES INC·Filed 2006·Granted Jun 17, 2008·73 cites·19 claims
- 0593US8356398B2Modular hybrid drill bitBAKER HUGHES INC·Filed 2011·Granted Jan 22, 2013·26 cites·14 claims
- 0693US7819208B2Dynamically stable hybrid drill bitBAKER HUGHES INC·Filed 2008·Granted Oct 26, 2010·48 cites·21 claims
- 0792US6543312B2Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Apr 8, 2003·83 cites·5 claims
- 0892US6230822B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 1998·Granted May 15, 2001·111 cites·38 claims
- 0991US7392862B2Seal insert ring for roller cone bitsBAKER HUGHES INC·Filed 2006·Granted Jul 1, 2008·56 cites·17 claims
- 1091US6571886B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2000·Granted Jun 3, 2003·98 cites·28 claims
- 1190US7845435B2Hybrid drill bit and method of drillingBAKER HUGHES INC·Filed 2008·Granted Dec 7, 2010·46 cites·34 claims
- 1288US9353575B2Hybrid drill bits having increased drilling efficiencyBAKER HUGHES INC·Filed 2012·Granted May 31, 2016·9 cites·22 claims
- 1387US7066280B2Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2003·Granted Jun 27, 2006·73 cites·55 claims
- 1486US6419032B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Jul 16, 2002·51 cites·30 claims
- 1583US10190366B2Hybrid drill bits having increased drilling efficiencyBAKER HUGHES INC·Filed 2016·Granted Jan 29, 2019·3 cites·20 claims
- 1681US8678111B2Hybrid drill bit and design methodZAHRADNIK ANTON F·Filed 2008·Granted Mar 25, 2014·18 cites·46 claims
- 1780US7413037B2Metal face seal for an earth-boring bitBAKER HUGHES INC·Filed 2005·Granted Aug 19, 2008·20 cites·9 claims
- 1878US10072462B2Hybrid drill bitsBAKER HUGHES INC·Filed 2016·Granted Sep 11, 2018·2 cites·18 claims
- 1973US8141664B2Hybrid drill bit with high bearing pin anglesZAHRADNIK ANTON F·Filed 2009·Granted Mar 27, 2012·13 cites·15 claims
- 2070US9670736B2Hybrid drill bitBAKER HUGHES INC·Filed 2013·Granted Jun 6, 2017·3 cites·22 claims
- 2170US8028770B2Conformal bearing for rock drill bitBAKER HUGHES INC·Filed 2010·Granted Oct 4, 2011·3 cites·20 claims
- 2266US8978786B2System and method for adjusting roller cone profile on hybrid bitNGUYEN DON Q·Filed 2010·Granted Mar 17, 2015·4 cites·18 claims
- 2366US8459378B2Hybrid drill bitZAHRADNIK ANTON F·Filed 2009·Granted Jun 11, 2013·8 cites·27 claims
- 2465US7350600B2Shirttails for reducing damaging effects of cuttingsBAKER HUGHES INC·Filed 2006·Granted Apr 1, 2008·7 cites·17 claims
- 2564US7841426B2Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bitBAKER HUGHES INC·Filed 2007·Granted Nov 30, 2010·9 cites·28 claims
- 2664US7708090B2Excluder ring for earth-boring bitBAKER HUGHES INC·Filed 2006·Granted May 4, 2010·8 cites·7 claims
- 2762US10871036B2Hybrid drill bit and design methodBAKER HUGHES HOLDINGS LLC·Filed 2019·Granted Dec 22, 2020·0 cites·16 claims
- 2862US9782857B2Hybrid drill bit having increased service lifeBAKER HUGHES INC·Filed 2015·Granted Oct 10, 2017·1 cites·21 claims
- 2961US10316589B2Hybrid drill bit and design methodBAKER HUGHES INC·Filed 2014·Granted Jun 11, 2019·1 cites·23 claims
- 3060US7905301B2Earth boring drill bits made from a low-carbon, high-molybdenum alloyBAKER HUGHES INC·Filed 2008·Granted Mar 15, 2011·0 cites·10 claims
- 3160US2020087993A1Earth-boring tools carrying formation-engaging structuresBAKER HUGHES A GE CO LLC·Filed 2019·Application pending·0 cites
- 3259US7182162B2Shirttails for reducing damaging effects of cuttingsBAKER HUGHES INC·Filed 2004·Granted Feb 27, 2007·17 cites·26 claims
- 3357US11732531B2Modular earth boring tools having fixed blades and removable blade assemblies and related methodsBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2021·Granted Aug 22, 2023·0 cites·20 claims
- 3451US10502001B2Earth-boring tools carrying formation-engaging structuresBAKER HUGHES A GE CO LLC·Filed 2015·Granted Dec 10, 2019·0 cites·18 claims
- 3548US7086487B2Anti-mud packing seal glandBAKER HUGHES INC·Filed 2003·Granted Aug 8, 2006·10 cites·21 claims
- 3647US2009014217A1Roller Cone Bit Bearing, and Bearing MaterialsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 3743US7975779B2Threaded cone retention system for roller cone bitsBAKER HUGHES INC·Filed 2008·Granted Jul 12, 2011·0 cites·21 claims
- 3842US6209668B1Earth-boring bit with improved cutting structureBAKER HUGHES INC·Filed 1998·Granted Apr 3, 2001·17 cites·40 claims
- 3942US2011024199A1Seal Ring With Auxiliary Ring for Earth-Boring BitBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4042US2010155146A1Hybrid drill bit with high pilot-to-journal diameter ratioBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4140US2009272582A1Modular hybrid drill bitBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 4239US7628230B2Wide groove roller cone bitBAKER HUGHES INC·Filed 2005·Granted Dec 8, 2009·0 cites·17 claims
- 4339US7066286B2Gage surface scraperBAKER HUGHES INC·Filed 2004·Granted Jun 27, 2006·2 cites·17 claims
- 4439US2010147595A1Bearing seal with improved contact widthBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 4538US2004222018A1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2003·Application pending·0 cites
- 4636US2007014495A1System, method, and apparatus for reducing residual stress in as-welded roller cone bit ball plug weldsBAKER HUGHES INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →