Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10228335 | Method for nuclear magnetic resonance diffusion measurements | Jeffrey Paulsen | 2019-03-12 |
| 10197652 | Method and system for applying NMR pulse sequences with interacting shells | Martin Hurlimann, Soumyajit Mandal | 2019-02-05 |
| 10132894 | Magnetic resonance imaging methods | Fei Han, Jeffrey Paulsen | 2018-11-20 |
| 10088540 | Method for identifying chemical species in a substance using NQR | Soumyajit Mandal | 2018-10-02 |
| 10061048 | Method of analyzing formation samples using NMR measurements with an echo time being 100 microseconds or less | Albina Mutina, Ravinath Kausik Kadayam Viswanathan, Martin Hurlimann | 2018-08-28 |
| 10041893 | Methods and systems for identifying hydrocarbon fluid transition characteristics using nuclear magnetic resonance | Marcus Hofheins Donaldson, Denise E. Freed, Martin Hurlimann, Lalitha Venkataramanan | 2018-08-07 |
| 10031255 | Multi-dimensional nuclear magnetic resonance methods for characterizing fluids | Bernhard Bluemich | 2018-07-24 |
| 10024938 | System and method for processing magnetic resonance signals | Soumyajit Mandal, Shin Utsuzawa, Marc Thompson | 2018-07-17 |
| 9927550 | Method and system for applying NQR pulse sequences | Soumyajit Mandal | 2018-03-27 |
| 9915750 | Methods and apparatuses to remove a net detected residual magnetization in a nuclear magnetic resonance (NMR) operation | Martin Hurlimann, Jeffrey Paulsen, Shin Utsuzawa | 2018-03-13 |
| 9863246 | Methods and apparatus for oil sample analysis using J-edit nuclear magnetic resonance | Soumyajit Mandal | 2018-01-09 |
| 9851420 | Magnetic resonance transmitter | — | 2017-12-26 |
| 9823205 | Methods and systems for determining surface relaxivity of a medium using nuclear magnetic resonance | Zhixiang LUO, Jeffrey Paulsen | 2017-11-21 |
| 9771789 | Asymmetric excluder for downhole logging tool | Irfan Bulu, Jagdish Shah | 2017-09-26 |
| 9759830 | Method and apparatus for determining mud contamination of formation fluid | A. Ballard Andrews, Soraya S. Betancourt, Andrew E. Pomerantz, Soumyajit Mandal | 2017-09-12 |
| 9720124 | Logging in gas shale and other unconventional reservoirs | Ravinath Kausik Kadayam Viswanathan, Chanh Cao Minh, Ridvan Akkurt, Baarinadh Vissapragada, Lukasz Zielinski | 2017-08-01 |
| 9715033 | Methods for compositional analysis of downhole fluids using data from NMR and other tools | Denise E. Freed, Lalitha Venkataramanan, Lukasz Zielinski, Nicholas Bennett, Martin Hurlimann | 2017-07-25 |
| 9689937 | Non-resonant magnetic resonance transmitter with power factor correction | Soumyajit Mandal | 2017-06-27 |
| 9678182 | System and method for processing magnetic resonance signals | Soumyajit Mandal, Shin Utsuzawa | 2017-06-13 |
| 9658358 | Refocusing pulses and excitation pulses for NMR logging | Martin Hurlimann, Soumyajit Mandal, Van Mai Do | 2017-05-23 |
| 9632203 | Non-resonant logging tools with H-bridge switching | Tim Hopper, David G. Cory, Julius Kusuma, Martin Hurlimann, Martin E. Poitzsch | 2017-04-25 |
| 9541513 | Method for nuclear magnetic resonance diffusion measurements | Jeffrey Paulsen | 2017-01-10 |
| 9201158 | Estimating and displaying molecular size information of a substance | Denise E. Freed, Lukasz Zielinski, Marcus Hofheins Donaldson | 2015-12-01 |
| 9176081 | NMR analysis of unconventional reservoir rock samples | Pabitra N. Sen, Gabriela Leu, Nicholas Drenzek, Thomas J. Neville, Ravinath Kausik Kadayam Viswanathan | 2015-11-03 |
| 9069098 | Three or more multiple figure-eight coils for NMR well-logging measurements with azimuthal directional sensitivity | Timothy Andrew John Hopper, David G. Cory, Martin Hurlimann | 2015-06-30 |