Inventor · disambiguated record
James William Weir
Also filed as: WEIR JAMES · WEIR JAMES W · WEIR JAMES WILLIAM
21 granted patents·4 pending applications·94 citations·filing 2007–2022
93Inventor score
Files withNAT OILWELL VARCO LP12WEIR JAMES WILLIAM6NAT OILWELL VAREO L P2ENSLEY ERIC TREVOR1JOHNSON CHRISTOPHER DALE1
Top patents by PatentIndex Score
25 records- 0192US10337638B2Slow-shift SPM valveNAT OILWELL VARCO LP·Filed 2015·Granted Jul 2, 2019·7 cites·19 claims
- 0288US7798466B2Ram locking blowout preventerVARCO INT·Filed 2007·Granted Sep 21, 2010·34 cites·14 claims
- 0385US8544538B2System and method for sealing a wellboreWEIR JAMES WILLIAM·Filed 2010·Granted Oct 1, 2013·10 cites·35 claims
- 0484US8540017B2Method and system for sealing a wellboreENSLEY ERIC TREVOR·Filed 2010·Granted Sep 24, 2013·12 cites·36 claims
- 0578US11353124B2Valve assembly for well systemsNAT OILWELL VAREO L P·Filed 2017·Granted Jun 7, 2022·3 cites·21 claims
- 0678US9074450B2Blowout preventer and method of using sameWEIR JAMES WILLIAM·Filed 2012·Granted Jul 7, 2015·6 cites·20 claims
- 0776US9371708B2Circulation sub and method for using sameWEIR JAMES WILLIAM·Filed 2011·Granted Jun 21, 2016·5 cites·30 claims
- 0870US9022125B2Marine riser with side tension membersNAT OILWELL VARCO LP·Filed 2012·Granted May 5, 2015·3 cites·20 claims
- 0968US9657536B2Method and apparatus for connecting tubulars of a wellsiteWEIR JAMES WILLIAM·Filed 2012·Granted May 23, 2017·2 cites·40 claims
- 1067US9260932B2Blowout preventer ram assembly and method of using sameWEIR JAMES WILLIAM·Filed 2011·Granted Feb 16, 2016·3 cites·25 claims
- 1164US9068423B2Wellhead connector and method of using sameJOHNSON CHRISTOPHER DALE·Filed 2012·Granted Jun 30, 2015·3 cites·24 claims
- 1263US12247669B2Valve assembly for well systemsNAT OILWELL VARCO LP·Filed 2022·Granted Mar 11, 2025·0 cites·11 claims
- 1361US11598640B2Methods and systems of providing lane information using a navigation apparatusTOMTOM INT BV·Filed 2018·Granted Mar 7, 2023·1 cites·20 claims
- 1459US11536390B2Slow-shift SPM valveNAT OILWELL VAREO L P·Filed 2019·Granted Dec 27, 2022·0 cites·18 claims
- 1558US2020088008A1Circulation sub and method for using sameNAT OILWELL VARCO LP·Filed 2019·Application pending·0 cites
- 1655US8631822B2Dual-flow valve and swivelWEIR JAMES WILLIAM·Filed 2011·Granted Jan 21, 2014·1 cites·16 claims
- 1754US12108672B2Systems and methods for electrical power generationNAT OILWELL VARCO LP·Filed 2019·Granted Oct 1, 2024·0 cites·14 claims
- 1853US10487623B2Circulation sub and method for using sameNAT OILWELL VARCO LP·Filed 2016·Granted Nov 26, 2019·0 cites·33 claims
- 1951US2023059338A1Systems and methods for electricity generationNAT OILWELL VARCO LP·Filed 2022·Application pending·0 cites
- 2049US9493985B2Mud hydraulic top driveNAT OILWELL VARCO LP·Filed 2013·Granted Nov 15, 2016·0 cites·18 claims
- 2148US10508663B2Hydraulic circuit for controlling a movable componentNAT OILWELL VARCO LP·Filed 2017·Granted Dec 17, 2019·0 cites·16 claims
- 2247US11293462B2Pilot close vent valveNAT OILWELL VARCO LP·Filed 2017·Granted Apr 5, 2022·0 cites·20 claims
- 2346US8844898B2Blowout preventer with ram socketingWEIR JAMES·Filed 2009·Granted Sep 30, 2014·4 cites·16 claims
- 2444US2019315602A1Reverse luffing and utility boom cranesNAT OILWELL VARCO LP·Filed 2019·Application pending·0 cites
- 2538US2017198582A1Well site pump with integrated driver and hydraulic motor and method of using sameNAT OILWELL VARCO LP·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →