Inventor · disambiguated record
Shawn A. Olsen
Also filed as: OLSEN SHAWN · OLSEN SHAWN A
4 granted patents·18 citations·filing 2007–2013
71Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0169US9714556B2Shear seal check valve for use in wellbore fluidBAKER HUGHES INC·Filed 2013·Granted Jul 25, 2017·5 cites·18 claims
- 0253US8074511B2Use of flexible member for borehole diameter measurementHUISZOON CORNELIS·Filed 2007·Granted Dec 13, 2011·7 cites·32 claims
- 0351US8074712B2Stop collar friction clamping deviceOLSEN SHAWN A·Filed 2009·Granted Dec 13, 2011·5 cites·13 claims
- 0447US9790789B2Apparatus and method for obtaining formation fluid samplesHEJL DAVID A·Filed 2012·Granted Oct 17, 2017·1 cites·20 claims
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