Inventor · disambiguated record
Khoi Q. Trinh
Also filed as: TRINH KHOI · TRINH KHOI Q
21 granted patents·1 pending application·139 citations·filing 2009–2024
94Inventor score
Technology areasE21B
Files withRADFORD STEVEN R8NAT OILWELL VARCO LP5BAKER HUGHES INC4BAKER HUGHES OILFIELD OPERATIONS LLC2NAT OILWELL DHT LP2
Top patents by PatentIndex Score
22 records- 0194US9341027B2Expandable reamer assemblies, bottom-hole assemblies, and related methodsBAKER HUGHES INC·Filed 2013·Granted May 17, 2016·26 cites·20 claims
- 0294US8881833B2Remotely controlled apparatus for downhole applications and methods of operationRADFORD STEVEN R·Filed 2010·Granted Nov 11, 2014·20 cites·30 claims
- 0392US11905777B2Downhole friction reduction systems having a flexible agitatorNAT OILWELL VARCO LP·Filed 2022·Granted Feb 20, 2024·2 cites·19 claims
- 0486US8230951B2Earth-boring tools having expandable members and methods of making and using such earth-boring toolsRADFORD STEVEN R·Filed 2009·Granted Jul 31, 2012·27 cites·24 claims
- 0584US10472908B2Remotely controlled apparatus for downhole applications and methods of operationBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2017·Granted Nov 12, 2019·3 cites·17 claims
- 0684US8939236B2Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring toolsRADFORD STEVEN R·Filed 2011·Granted Jan 27, 2015·7 cites·16 claims
- 0781US9719304B2Remotely controlled apparatus for downhole applications and methods of operationBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2014·Granted Aug 1, 2017·5 cites·17 claims
- 0880US8820439B2Tools for use in subterranean boreholes having expandable members and related methodsRADFORD STEVEN R·Filed 2011·Granted Sep 2, 2014·6 cites·22 claims
- 0980US8074747B2Stabilizer assemblies with bearing pad locking structures and tools incorporating sameRADFORD STEVEN R·Filed 2009·Granted Dec 13, 2011·22 cites·23 claims
- 1078US9038749B2Tools for use in subterranean boreholes having expandable members and related methodsBAKER HUGHES INC·Filed 2014·Granted May 26, 2015·4 cites·15 claims
- 1177US10036206B2Expandable reamer assemblies, bottom hole assemblies, and related methodsBAKER HUGHES INC·Filed 2016·Granted Jul 31, 2018·2 cites·20 claims
- 1277US9038748B2Tools for use in subterranean boreholes having expandable members and related methodsRADFORD STEVEN R·Filed 2011·Granted May 26, 2015·6 cites·18 claims
- 1373US12188320B2Downhole friction reduction systems having a flexible agitatorNAT OILWELL VARCO LP·Filed 2024·Granted Jan 7, 2025·0 cites·20 claims
- 1464US9435168B2Downhole activation assembly and method of using sameNAT OILWELL DHT LP·Filed 2014·Granted Sep 6, 2016·2 cites·20 claims
- 1561US8181722B2Stabilizer assemblies with bearing pad locking structures and tools incorporating sameRADFORD STEVEN R·Filed 2009·Granted May 22, 2012·7 cites·14 claims
- 1658US10480251B2Expandable downhole tool assemblies, bottom-hole assemblies, and related methodsBAKER HUGHES A GE CO LLC·Filed 2018·Granted Nov 19, 2019·0 cites·20 claims
- 1752US9725958B2Earth-boring tools including expandable members and status indicators and methods of making and using such earth-boring toolsBAKER HUGHES INC·Filed 2015·Granted Aug 8, 2017·0 cites·20 claims
- 1847US9175520B2Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methodsRADFORD STEVEN R·Filed 2011·Granted Nov 3, 2015·0 cites·43 claims
- 1945US11867015B2Downhole friction reduction systemsNAT OILWELL VARCO LP·Filed 2022·Granted Jan 9, 2024·0 cites·31 claims
- 2043US9540896B2Frangible core barrelNAT OILWELL VARCO LP·Filed 2014·Granted Jan 10, 2017·0 cites·17 claims
- 2134US2022275685A1On demand flow pulsing systemNAT OILWELL DHT LP·Filed 2020·Application pending·0 cites
- 2232US9494004B2Adjustable coring assembly and method of using sameNAT OILWELL VARCO LP·Filed 2013·Granted Nov 15, 2016·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →