Inventor · disambiguated record
Niek Dijkstra
Also filed as: DIJKSTRA NIEK
2 granted patents·1 pending application·19 citations·filing 2013–2014
58Inventor score
Technology areasE21B
Files withSCHLUMBERGER TECHNOLOGY CORP3
Top patents by PatentIndex Score
3 records- 0184US9453397B2Dual barrier side pocket mandrel with gaugeSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Granted Sep 27, 2016·14 cites·20 claims
- 0266US10174582B2Wellbore annular safety valve and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Jan 8, 2019·5 cites·16 claims
- 0333US2015053415A1Wellbore annular safety valve and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →