Inventor · disambiguated record
Hugh Christopher Greenwell
Also filed as: GREENWELL HUGH CHRISTOPHER
19 granted patents·1 pending application·24 citations·filing 2017–2020
91Inventor score
Files withSAUDI ARABIAN OIL CO20
Top patents by PatentIndex Score
20 records- 0193US11351604B2Methods for preparing mixed-metal oxide diamondoid nanocomposites and catalytic systems including the nanocompositesSAUDI ARABIAN OIL CO·Filed 2020·Granted Jun 7, 2022·2 cites·20 claims
- 0293US10105684B2Synthesis of transition-metal adamantane salts and oxide nanocomposites, and systems and methods including the salts or the nanocompositesSAUDI ARABIAN OIL CO·Filed 2017·Granted Oct 23, 2018·5 cites·20 claims
- 0391US10138199B2High aspect ratio layered double hydroxide materials and methods for preparation thereofSAUDI ARABIAN OIL CO·Filed 2017·Granted Nov 27, 2018·3 cites·14 claims
- 0488US10875092B2Methods for preparing mixed-metal oxide diamondoid nanocomposites and catalytic systems including the nanocompositesSAUDI ARABIAN OIL CO·Filed 2018·Granted Dec 29, 2020·2 cites·14 claims
- 0588US10252245B2High temperature layered mixed-metal oxide materials with enhanced stabilitySAUDI ARABIAN OIL CO·Filed 2017·Granted Apr 9, 2019·3 cites·10 claims
- 0686US10647903B2Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers and amino amides as emulsifiersSAUDI ARABIAN OIL CO·Filed 2018·Granted May 12, 2020·3 cites·20 claims
- 0784US10676658B2Oil-based drilling fluids for high pressure and high temperature drilling operationsSAUDI ARABIAN OIL CO·Filed 2018·Granted Jun 9, 2020·2 cites·14 claims
- 0884US10640696B2Oil-based drilling fluids for high pressure and high temperature drilling operationsSAUDI ARABIAN OIL CO·Filed 2018·Granted May 5, 2020·2 cites·16 claims
- 0981US10906859B2Adamantane-intercalated layered double hydroxideSAUDI ARABIAN OIL CO·Filed 2018·Granted Feb 2, 2021·1 cites·7 claims
- 1069US10793762B2Layered double hydroxides for oil-based drilling fluidsSAUDI ARABIAN OIL CO·Filed 2018·Granted Oct 6, 2020·1 cites·19 claims
- 1166US11034880B2Oil-based drilling fluids for high pressure and high temperature drilling operationsSAUDI ARABIAN OIL CO·Filed 2020·Granted Jun 15, 2021·0 cites·15 claims
- 1266US10954425B2Oil-based drilling fluids for high pressure and high temperature drilling operationsSAUDI ARABIAN OIL CO·Filed 2020·Granted Mar 23, 2021·0 cites·14 claims
- 1362US10870788B2Thermally stable surfactants for oil based drilling fluidsSAUDI ARABIAN OIL CO·Filed 2018·Granted Dec 22, 2020·0 cites·5 claims
- 1460US10106482B2Synthesis of magnesium adamantane salts and magnesium oxide nanocomposites, and systems and methods including the salts or the nanocompositesSAUDI ARABIAN OIL CO·Filed 2017·Granted Oct 23, 2018·0 cites·17 claims
- 1558US10087355B2Oil-based drilling fluids containing an alkaline-earth diamondoid compound as rheology modifierSAUDI ARABIAN OIL CO·Filed 2017·Granted Oct 2, 2018·0 cites·19 claims
- 1657US10906028B2Synthesis of transition-metal adamantane salts and oxide nanocomposites, and systems and methods including the salts or the nanocompositesSAUDI ARABIAN OIL CO·Filed 2018·Granted Feb 2, 2021·0 cites·20 claims
- 1756US10876039B2Thermally stable surfactants for oil based drilling fluidsSAUDI ARABIAN OIL CO·Filed 2018·Granted Dec 29, 2020·0 cites·18 claims
- 1854US10745606B2Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiersSAUDI ARABIAN OIL CO·Filed 2018·Granted Aug 18, 2020·0 cites·20 claims
- 1946US10988659B2Layered double hydroxides for oil-based drilling fluidsSAUDI ARABIAN OIL CO·Filed 2018·Granted Apr 27, 2021·0 cites·12 claims
- 2046US2019055447A1Thermally stable surfactants for oil based drilling fluidsSAUDI ARABIAN OIL CO·Filed 2018·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hugh Christopher Greenwell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →