Inventor · disambiguated record
Aju Abraham
Also filed as: ABRAHAM AJU
9 granted patents·38 citations·filing 2011–2025
84Inventor score
Technology areasE21B
Files withNAT OILWELL VARCO LP4ABRAHAM AJU1GILL WILLIAM C1NAT OILWELL VAREO L P1SCHLUMBERGER TECHNOLOGY CORP1
Top patents by PatentIndex Score
9 records- 0190US11002104B2Plug assemblies for a subterranean wellboreNAT OILWELL VARCO LP·Filed 2019·Granted May 11, 2021·12 cites·20 claims
- 0283US9816357B2Method and system to avoid premature activation of liner hangerSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Nov 14, 2017·9 cites·17 claims
- 0380US9121232B2Hydro-mechanical downhole toolABRAHAM AJU·Filed 2012·Granted Sep 1, 2015·10 cites·16 claims
- 0472US11268347B2Testable sliding sleeve valveNAT OILWELL VAREO L P·Filed 2018·Granted Mar 8, 2022·2 cites·34 claims
- 0566US11280160B2Multi-zone hydraulic stimulation systemNAT OILWELL VARCO LP·Filed 2018·Granted Mar 22, 2022·2 cites·18 claims
- 0658US8789602B2Ball drop moduleGILL WILLIAM C·Filed 2011·Granted Jul 29, 2014·3 cites·14 claims
- 0752US12492601B2Anti-preset liner hanger systemsNAT OILWELL VARCO LP·Filed 2025·Granted Dec 9, 2025·0 cites·20 claims
- 0848US9506299B2Hydro-mechanical downhole toolSMITH INTERNATIONAL·Filed 2015·Granted Nov 29, 2016·0 cites·8 claims
- 0935US12180805B2Flotation apparatus for providing buoyancy to tubular membersNAT OILWELL VARCO LP·Filed 2020·Granted Dec 31, 2024·0 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →