loadpatents
Patent applications and USPTO patent grants for Rosthal; Richard.The latest application filed is for "electromagnetic logging between borehole and surface".
Patent | Date |
---|---|
Measuring casing attenuation coefficient for electro-magnetics measurements Grant 8,704,523 - Levesque , et al. April 22, 2 | 2014-04-22 |
Electromagnetic logging between borehole and surface Grant 8,638,103 - Rosthal , et al. January 28, 2 | 2014-01-28 |
Electromagnetic Logging Between Borehole And Surface App 20100259267 - Rosthal; Richard ;   et al. | 2010-10-14 |
Measuring Casing Attenuation Coefficient For Electro-magnetics Measurements App 20090302852 - Levesque; Cyrille ;   et al. | 2009-12-10 |
Flex (or printed) circuit axial coils for a downhole logging tool Grant 7,212,173 - Chen , et al. May 1, 2 | 2007-05-01 |
Flex (or printed) circuit axial coils for a downhole logging tool App 20040263414 - Chen, Kuo-Chiang ;   et al. | 2004-12-30 |
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