Inventor · disambiguated record
Bastiaan Liezenberg
Also filed as: LIEZENBERG BASTIAAN
6 granted patents·1 pending application·4 citations·filing 2014–2018
69Inventor score
Technology areasE21B
Top patents by PatentIndex Score
7 records- 0168US10648315B2Automated well pressure control and gas handling system and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted May 12, 2020·2 cites·18 claims
- 0259US11585169B2Riser mounted controllable orifice chokeSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Feb 21, 2023·1 cites·12 claims
- 0358US9863195B2Passive pressure and load balancing bearingSMITH INTERNATIONAL·Filed 2015·Granted Jan 9, 2018·1 cites·19 claims
- 0445US11225847B2Universal riser joint for managed pressure drilling and subsea mudlift drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Jan 18, 2022·0 cites·16 claims
- 0544US10072475B2Integrated managed pressure drilling riser jointMI LLC·Filed 2014·Granted Sep 11, 2018·0 cites·11 claims
- 0636US10648504B2Bearing pressure indicator having a proximity switch arrangementSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted May 12, 2020·0 cites·18 claims
- 0730US2016177634A1Telescopic joint with interchangeable inner barrel(s)SMITH INTERNATIONAL·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →