RR

Richard A. Rosthal

Schlumberger Technology: 4 patents #10 of 429Top 3%
🗺 California: #1,346 of 28,370 inventorsTop 5%
Overall (2004): #12,282 of 270,089Top 5%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6710601 Borehole current correction for tilted or transverse magnetic dipoles on conductive supports Dean Homan, Thomas D. Barber, Stephen D. Bonner, Brian Clark, Dzevat Omeragic 2004-03-23
6693430 Passive, active and semi-active cancellation of borehole effects for well logging Jan W. Smits 2004-02-17
6690170 Antenna structures for electromagnetic well logging tools Dean Homan, Gary A. Hazen, David L. Smith, Thomas D. Barber, Paul Michael Ray +1 more 2004-02-10
6680613 Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole Dean Homan, Thomas D. Barber, Stephen D. Bonner, Brian Clark, Dzevat Omeragic 2004-01-20