Inventor · disambiguated record
Lap Tran
Also filed as: TRAN LAP · TRAN LAP T · TRAN LAP TAN
8 granted patents·1 pending application·96 citations·filing 2007–2021
85Inventor score
Technology areasE21B
Top patents by PatentIndex Score
9 records- 0193US8047280B2Drillable bridge plugSMITH INTERNATIONAL·Filed 2010·Granted Nov 1, 2011·19 cites·25 claims
- 0293US7810558B2Drillable bridge plugSMITH INTERNATIONAL·Filed 2007·Granted Oct 12, 2010·48 cites·24 claims
- 0388US11149507B2Rotating control deviceSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Oct 19, 2021·6 cites·13 claims
- 0487US11686173B2Rotary control device with self-contained hydraulic reservoirPREMIUM OILFIELD TECH LLC·Filed 2021·Granted Jun 27, 2023·2 cites·20 claims
- 0579US10648262B2Running tool for use with bearing assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted May 12, 2020·3 cites·8 claims
- 0678US7665516B2Permanent anchoring deviceSMITH INTERNATIONAL·Filed 2007·Granted Feb 23, 2010·18 cites·18 claims
- 0745US11225847B2Universal riser joint for managed pressure drilling and subsea mudlift drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Jan 18, 2022·0 cites·16 claims
- 0845US10669778B2Pressure system for bearing assembly and method of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Jun 2, 2020·0 cites·16 claims
- 0936US2013075106A1Electrical generator for a cementing manifoldTRAN LAP TAN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →