Inventor · disambiguated record
Sean Matthew Donald
Also filed as: DONALD SEAN · DONALD SEAN MATTHEW
5 granted patents·16 citations·filing 2013–2021
74Inventor score
Top patents by PatentIndex Score
5 records- 0184US11814959B2Methods for increasing the amplitude of reciprocal extensions and contractions of a shock tool for drilling operationsNAT OILWELL VARCO LP·Filed 2021·Granted Nov 14, 2023·2 cites·9 claims
- 0282US11002099B2Valves for actuating downhole shock tools in connection with concentric drive systemsNAT OILWELL DHT LP·Filed 2018·Granted May 11, 2021·4 cites·47 claims
- 0379US11220866B2Drilling oscillation systems and shock tools for sameNAT OILWELL DHT LP·Filed 2017·Granted Jan 11, 2022·4 cites·15 claims
- 0479US9981362B2Apparatus and methods for high pressure leaching of polycrystalline diamond cutter elementsNAT OILWELL VARCO LP·Filed 2013·Granted May 29, 2018·4 cites·17 claims
- 0569US10718168B2Drilling oscillation systems and optimized shock tools for sameNAT OILWELL VARCO LP·Filed 2017·Granted Jul 21, 2020·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →