| 12372482 |
Lithium detection apparatus systems and methods |
Jeffrey Miles, Rod Shampine, Dominic Vincent Perroni |
2025-07-29 |
|
| 10591630 |
Nuclear well logging tool with at least one gamma-ray scintillation detector employing a thallium-based scintillator material |
Cornelis Huiszoon |
2020-03-17 |
$16,149,000 |
| 10145979 |
Gamma-ray detectors for downhole applications |
Bradley A. Roscoe, James A. Grau, Zilu Zhou, Kenneth E. Stephenson |
2018-12-04 |
$55,703,000 |
| 10061055 |
Absolute elemental concentrations from nuclear spectroscopy |
Jim A. Grau, Christian Stoller, Brad Roscoe, James Thornton |
2018-08-28 |
$53,386,000 |
| 9995841 |
Compact scintillation detector |
Wolfgang Ziegler, Timothy Spillane |
2018-06-12 |
$140,826,000 |
| 9897718 |
Neutron-absorbing gamma ray window in a downhole tool |
Marie-Laure Mauborgne, Ahmed Amine Mahjoub, Christian Stoller |
2018-02-20 |
$44,957,000 |
| 9599729 |
Gamma-ray detectors for downhole applications |
Bradley A. Roscoe, James A. Grau, Zilu Zhou, Kenneth E. Stephenson |
2017-03-21 |
$49,045,000 |
| 9541668 |
Environmental corrections in nuclear spectroscopy using variable element ratio |
James A. Grau, Jeffrey Miles |
2017-01-10 |
$28,429,000 |
| 9417355 |
Composition-matched inelastic or capture spectroscopy tool |
Christian Stoller, Fabien Haranger, James A. Grau, Jeffrey Miles |
2016-08-16 |
$37,184,000 |
| 9304226 |
Scintillator-based neutron detector for oilfield applications |
Bradley A. Roscoe, Jing Qian, Timothy Spillane |
2016-04-05 |
$52,870,000 |
| 9217793 |
Apparatus and method for detecting radiation |
Zilu Zhou, Bradley A. Roscoe, Joshua W. Gibson |
2015-12-22 |
$37,365,000 |
| 8963073 |
Nuclear spectroscopy corrections using multiple standards and spatial regions |
James A. Grau, Jeffrey Miles |
2015-02-24 |
$33,830,000 |
| 8901483 |
Gamma-ray detectors for downhole applications |
Bradley A. Roscoe, James A. Grau, Zilu Zhou, Kenneth E. Stephenson |
2014-12-02 |
$25,049,000 |
| 8865011 |
Method for optimizing the spectral performance of scintillator crystals |
Olivier Philip |
2014-10-21 |
$52,653,000 |
| 8546749 |
Intrinsic radioactivity in a scintillator as count rate reference |
James A. Grau, Bradley A. Roscoe, Peter Wraight |
2013-10-01 |
$34,830,000 |
| 8536517 |
Scintillator based radiation detection |
James A. Grau, Bradley A. Roscoe, Christian Stoller, Peter Wraight, Matthieu Simon |
2013-09-17 |
$42,926,000 |
| 8319175 |
Nano-tips based gas ionization chamber for neutron detection |
Zilu Zhou, Felix Chen, Bradley A. Roscoe, Joyce Wong, Martin G. Luling +1 more |
2012-11-27 |
$32,827,000 |
