Inventor · disambiguated record
Roger Marsh
Also filed as: MARSH ROGER · MARSH ROGER J
3 granted patents·1 pending application·78 citations·filing 2006–2011
68Inventor score
Top patents by PatentIndex Score
4 records- 0190US7686082B2Full bore cementable gun systemBAKER HUGHES INC·Filed 2008·Granted Mar 30, 2010·75 cites·20 claims
- 0252US8903658B2Apparatus and method for measuring downhole fluid composition and propertiesMARSH ROGER·Filed 2011·Granted Dec 2, 2014·1 cites·20 claims
- 0345US7451828B2Downhole pressure containment systemBAKER HUGHES INC·Filed 2006·Granted Nov 18, 2008·2 cites·11 claims
- 0434US2012048539A1Reservoir Pressure MonitoringCLARK JOHN H·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →