SE

Sergey Efremov

BH Baker Hughes Holdings: 4 patents #774 of 3,522Top 25%
📍 Houston, TX: #5,364 of 21,073 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,252,856 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7446308 Method of calibrating multi-channel nuclear energy spectra W. Allen Gilchrist 2008-11-04
7195062 Measurement-while-drilling assembly using real-time toolface oriented measurements Paul Cairns, David M. Schneider, Sassan Dehlavi, Robert A. Estes, Samuel R. Bell 2007-03-27
7129477 Method of processing data from a dual detector LWD density logging instrument coupled with an acoustic standoff measurement David M. Schneider, Matthew Sale 2006-10-31
7000700 Measurement-while-drilling assembly using real-time toolface oriented measurements Paul Cairns, David M. Schneider, Sassan Dehlavi, Robert A. Estes, Samuel R. Bell 2006-02-21