Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8432167 | Method and apparatus of using magnetic material with residual magnetization in transient electromagnetic measurement | — | 2013-04-30 |
| 8362781 | Method for eliminating borehole eccentricity effect in transversal induction sensor | — | 2013-01-29 |
| 8305081 | Cancellation of vibration noise in deep transient resistivity measurements while drilling | Vladimir Dubinsky | 2012-11-06 |
| 8294468 | Method and apparatus for well-bore proximity measurement while drilling | — | 2012-10-23 |
| 8239172 | Method of deep resistivity transient measurement while drilling | Gregory B. Itskovich | 2012-08-07 |
| 8037765 | Electromagnetic acoustic transducer using magnetic shielding | — | 2011-10-18 |
| 8035392 | Method and apparatus for while-drilling transient resistivity measurements | Gregory B. Itskovich | 2011-10-11 |
| 7859260 | Nuclear magnetic resonance tool using switchable source of static magnetic field | — | 2010-12-28 |
| 7834622 | Configurable magnet assembly for using in NMR well logging instrument | David R. Beard, Carl M. Edwards | 2010-11-16 |
| 7726193 | Electromagnetic acoustic transducer with cross-talk elimination | Stanislav W. Forgang | 2010-06-01 |
| 7697375 | Combined electro-magnetic acoustic transducer | Joseph Gregory Barolak | 2010-04-13 |
| 7663363 | Method and apparatus for high signal-to-noise ratio NMR well logging | — | 2010-02-16 |
| 7579833 | Water mapping using surface NMR | David S. Shorey | 2009-08-25 |
| 7489134 | Magnetic sensing assembly for measuring time varying magnetic fields of geological formations | — | 2009-02-10 |
| 7423426 | Selective excitation in earth's magnetic field nuclear magnetic resonance well logging tool | — | 2008-09-09 |
| 7420373 | Magnetic head for conductivity imaging for use in boreholes | David R. Beard | 2008-09-02 |
| 7366559 | Nuclear magnetic resonance apparatus and method for assessing whole body composition | Gersh Zvi Taicher | 2008-04-29 |
| 7366560 | Nuclear magnetic resonance method for body composition analysis | Gersh Zvi Taicher, Israel Kovner | 2008-04-29 |
| 7343192 | Magnetic resonance imaging method and apparatus for body composition analysis | Gersh Zvi Taicher, Zinovy B. Krugliak | 2008-03-11 |
| 7235970 | Antenna core material for use in MWD resistivity measurements and NMR measurements | Thomas Kruspe, Martin Blanz, Peter Rottengatter | 2007-06-26 |
| 7084625 | Method and apparatus of reducing ringing in a nuclear magnetic resonance probe | Thomas Kruspe, Martin Blanz, Peter Rottengatter | 2006-08-01 |
| 7049815 | Method and apparatus for multi-frequency NMR diffusion measurements in the presence of internal magnetic field gradients | Gregory B. Itskovich | 2006-05-23 |
| 6897651 | Method for eliminating effects of acoustic excitations in NMR data | David R. Beard, Zinovy B. Krugliak | 2005-05-24 |
| 6882147 | NMR detection of small amount of fast transversal relaxation component in mixtures | Gersh Zvi Taicher | 2005-04-19 |
| 6844727 | Method and apparatus of reducing ringing in a nuclear magnetic resonance probe | Thomas Kruspe, Martin Blanz, Peter Rottengatter | 2005-01-18 |