Inventor · disambiguated record
Dennis P. Nguyen
Also filed as: NGUYEN DENNIS · NGUYEN DENNIS P
108 granted patents·2 pending applications·509 citations·filing 1999–2024
99Inventor score
Top patents by PatentIndex Score
110 records- 0196US10156122B2Back pressure valveCAMERON INT CORP·Filed 2017·Granted Dec 18, 2018·10 cites·22 claims
- 0295US6516887B2Method and apparatus for tensioning tubular membersCOOPER CAMERON CORP·Filed 2001·Granted Feb 11, 2003·168 cites·20 claims
- 0392US11976534B2Wellhead assembly valve systems and methodsCAMERON INT CORP·Filed 2020·Granted May 7, 2024·5 cites·19 claims
- 0492US11970920B2Zero-gap hanger systems and methodsCAMERON INT CORP·Filed 2022·Granted Apr 30, 2024·5 cites·20 claims
- 0592US10871056B2Wellhead systems and methodsCAMERON INT CORP·Filed 2017·Granted Dec 22, 2020·8 cites·18 claims
- 0691US11585191B2Wellhead systems and methodsCAMERON INT CORP·Filed 2020·Granted Feb 21, 2023·3 cites·5 claims
- 0791US11319757B2Flexible fracturing fluid delivery conduit quick connectorsCAMERON INT CORP·Filed 2019·Granted May 3, 2022·8 cites·11 claims
- 0891US10100595B2Hanger seal assemblyCAMERON INT CORP·Filed 2015·Granted Oct 16, 2018·9 cites·23 claims
- 0990US10113384B2Multi-metal seal systemCAMERON INT CORP·Filed 2015·Granted Oct 30, 2018·7 cites·20 claims
- 1089US11725460B2Flexible fracturing fluid delivery conduit quick connectorsCAMERON INT CORP·Filed 2022·Granted Aug 15, 2023·2 cites·12 claims
- 1189US10053946B2Full bore compression sealing methodNGUYEN DENNIS P·Filed 2010·Granted Aug 21, 2018·7 cites·31 claims
- 1288US10472914B2Hanger, hanger tool, and method of hanger installationCAMERON INT CORP·Filed 2016·Granted Nov 12, 2019·4 cites·20 claims
- 1387US12134948B2Hanger systems and methodsCAMERON INT CORP·Filed 2022·Granted Nov 5, 2024·2 cites·15 claims
- 1486US9297226B2Back pressure valveCAMERON INT CORP·Filed 2013·Granted Mar 29, 2016·6 cites·24 claims
- 1585US10233710B2One-trip hanger running toolCAMERON INT CORP·Filed 2016·Granted Mar 19, 2019·4 cites·20 claims
- 1683US10738556B2Open/close outlet internal hydraulic deviceCAMERON INT CORP·Filed 2018·Granted Aug 11, 2020·3 cites·20 claims
- 1783US10669792B2Tubing hanger running tool systems and methodsCAMERON INT CORP·Filed 2016·Granted Jun 2, 2020·3 cites·20 claims
- 1883US10233712B2One-trip hanger running toolCAMERON INT CORP·Filed 2016·Granted Mar 19, 2019·4 cites·20 claims
- 1982US12473792B2Systems and methods for cementing casing and sealing a hanger in a wellhead housingCAMERON INT CORP·Filed 2024·Granted Nov 18, 2025·1 cites·16 claims
- 2082US8485267B2Hydra-connectorNGUYEN DENNIS P·Filed 2009·Granted Jul 16, 2013·11 cites·26 claims
- 2181US10240423B2Connector systemCAMERON INT CORP·Filed 2015·Granted Mar 26, 2019·3 cites·20 claims
- 2280US10138699B2Hanger lock systemCAMERON INT CORP·Filed 2014·Granted Nov 27, 2018·6 cites·20 claims
- 2380US8696039B2Connection methods and systemsCAMERON INT CORP·Filed 2012·Granted Apr 15, 2014·5 cites·35 claims
- 2479US10927626B2Load shoulder systemCAMERON INT CORP·Filed 2018·Granted Feb 23, 2021·2 cites·20 claims
- 2578US9556698B2Landing systemCAMERON INT CORP·Filed 2014·Granted Jan 31, 2017·5 cites·20 claims
- 2677US9422788B2Straight-bore back pressure valveCAMERON INT CORP·Filed 2013·Granted Aug 23, 2016·5 cites·31 claims
- 2777US8936092B2Seal system and methodCAMERON INT CORP·Filed 2013·Granted Jan 20, 2015·4 cites·32 claims
- 2876US9303481B2Non-rotation lock screwCAMERON INT CORP·Filed 2014·Granted Apr 5, 2016·3 cites·32 claims
- 2976US8899315B2Systems, methods, and devices for isolating portions of a wellhead from fluid pressureNGUYEN DENNIS P·Filed 2009·Granted Dec 2, 2014·13 cites·20 claims
- 3074US10145185B2Wear bushing retrieval toolCAMERON INT CORP·Filed 2015·Granted Dec 4, 2018·2 cites·20 claims
- 3174US9127525B2Multi-component C-ring couplingNGUYEN DENNIS P·Filed 2010·Granted Sep 8, 2015·4 cites·33 claims
- 3273US9376883B2Systems, methods, and devices for isolating portions of a wellhead from fluid pressureCAMERON INT CORP·Filed 2013·Granted Jun 28, 2016·3 cites·10 claims
- 3373US9133672B2Back pressure valveCAMERON INT CORP·Filed 2014·Granted Sep 15, 2015·2 cites·30 claims
- 3472US12152470B2Wellhead systems and methodsCAMERON INT CORP·Filed 2023·Granted Nov 26, 2024·0 cites·13 claims
- 3572US11236570B2Running tool and control line systems and methodsCAMERON INT CORP·Filed 2018·Granted Feb 1, 2022·2 cites·17 claims
- 3672US6695356B2Connector for securing conduitsCAMERON COOPER·Filed 2001·Granted Feb 24, 2004·18 cites·21 claims
- 3771US8544551B2Methods and devices for isolating wellhead pressureNGUYEN DENNIS P·Filed 2009·Granted Oct 1, 2013·9 cites·22 claims
- 3870US9637993B2Hydra-connectorCAMERON INT CORP·Filed 2013·Granted May 2, 2017·3 cites·39 claims
- 3970US8347966B2Seal system and methodCAMERON INT CORP·Filed 2008·Granted Jan 8, 2013·9 cites·20 claims
- 4069US8960308B2Methods and devices for isolating wellhead pressureCAMERON INT CORP·Filed 2013·Granted Feb 24, 2015·2 cites·34 claims
- 4169US8511393B2Slip hanger assembly and actuatorNGUYEN DENNIS P·Filed 2009·Granted Aug 20, 2013·10 cites·20 claims
- 4269US8328242B2Connection methods and systemsGUIDRY KIRK P·Filed 2009·Granted Dec 11, 2012·8 cites·21 claims
- 4367US10794140B2Systems and methods to reduce break-out torqueCAMERON INT CORP·Filed 2016·Granted Oct 6, 2020·1 cites·4 claims
- 4467US9957767B2Multi-component C-ring couplingCAMERON INT CORP·Filed 2015·Granted May 1, 2018·1 cites·27 claims
- 4567US9790760B2Radially energized hanger systemCAMERON INT CORP·Filed 2014·Granted Oct 17, 2017·2 cites·25 claims
- 4666US9677374B2Hydraulic toolCAMERON INT CORP·Filed 2015·Granted Jun 13, 2017·1 cites·30 claims
- 4766US8695693B2Wellhead component coupling system and methodNGUYEN DENNIS P·Filed 2008·Granted Apr 15, 2014·9 cites·32 claims
- 4866US8636058B2Straight-bore back pressure valveNGUYEN DENNIS P·Filed 2009·Granted Jan 28, 2014·9 cites·32 claims
- 4965US9856711B2Control line connection techniqueCAMERON INT CORP·Filed 2014·Granted Jan 2, 2018·2 cites·16 claims
- 5065US9598924B2Wellhead hanger with spacer to reduce break-out torqueCAMERON INT CORP·Filed 2014·Granted Mar 21, 2017·2 cites·6 claims
Showing the top 50 of 110 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →