Inventor · disambiguated record
Robin A. Ewan
Also filed as: EWAN ROBIN · EWAN ROBIN A
4 granted patents·1 pending application·136 citations·filing 2004–2014
81Inventor score
Technology areasE21B
Files withSCHLUMBERGER TECHNOLOGY CORP5
Top patents by PatentIndex Score
5 records- 0192US7516782B2Self-anchoring device with force amplificationSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Apr 14, 2009·48 cites·17 claims
- 0285US7854258B2Self-anchoring device with force amplificationSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Dec 21, 2010·24 cites·16 claims
- 0381US7185714B2Traction control for downhole tractorSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 6, 2007·20 cites·34 claims
- 0478US7143843B2Traction control for downhole tractorSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Dec 5, 2006·44 cites·18 claims
- 0539US2016032711A1Methods and Apparatus for Measuring Downhole Position and VelocitySCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →