Inventor · disambiguated record

D. Duncan Blue

Also filed as: BLUE D DUNCAN · BLUE III D DUNCAN

2 granted patents·14 citations·filing 2008–2012

56Inventor score

Technology areasE21B G01N

Files withBAKER HUGHES INC2

Top patents by PatentIndex Score

2 records

0183US8379207B2Method and apparatus for estimating a fluid propertyBAKER HUGHES INC·Filed 2008·Granted Feb 19, 2013·11 cites·20 claims
0267US9057235B2Monitoring and control systems for continuous circulating drilling operationsBAKER HUGHES INC·Filed 2012·Granted Jun 16, 2015·3 cites·12 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →