Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320247 | Apparatus and method for evaluating lightweight cement bonds in downhole | Hichem Abdelmoula | 2025-06-03 |
| 12188995 | Apparatus and method for measuring thickness of tubings in downhole applications | Ryan Rhea Rugg, Alexander Tarasov | 2025-01-07 |
| 11842840 | Hybrid magnetic core for inductive transducer | Alexander Tarasov, Ryan Rhea Rugg | 2023-12-12 |
| 11543553 | Multi-synthetic aperture inductive coil transducer | Alexander Tarasov | 2023-01-03 |
| 10801997 | Method and system of evaluating cement bonds through tubing | Jiajun Zhao, Qinshan Yang | 2020-10-13 |
| 10655457 | Apparatus and method of propagation and spatial location analysis by acoustic array for down-hole applications | Qinshan Yang | 2020-05-19 |
| 10082017 | System and method for a bonded differential magnetic sensor array using pulsed eddy current for cased-hole applications | Yanxiang Yu | 2018-09-25 |
| 10082593 | Method and apparatus for synthetic magnetic sensor aperture using eddy current time transient measurement for downhole applications | Yanxiang Yu, Qinshan Yang | 2018-09-25 |
| 10061050 | Fractal magnetic sensor array using mega matrix decomposition method for downhole application | Yanxiang Yu, Nicholas Boggs | 2018-08-28 |
| 9982527 | Apparatus and method for a matrix acoustic array | Qinshan Yang | 2018-05-29 |
| 9784874 | Multi-beam phased array acoustic transducer operation for downhole applications | James V. Leggett, III, Kamalesh Chatterjee, Roger R. Steinsiek, Vaibhav Sule | 2017-10-10 |
| 9305124 | Methods for integrated circuit analysis | Youngae Han | 2016-04-05 |
| 9157312 | EMAT acoustic signal measurement using modulated Gaussian wavelet and Hilbert demodulation | — | 2015-10-13 |
| 9128879 | Fault diagnosing method based on simulated vaccine | Yiyang Dai, Yidan Shu, Jianfeng Zhu | 2015-09-08 |
| 9103196 | Pipelined pulse-echo scheme for an acoustic image tool for use downhole | James V. Leggett, III | 2015-08-11 |
| 9037415 | OBM resistivity image enhancement using principal component analysis with first moment estimation | — | 2015-05-19 |
| 9013955 | Method and apparatus for echo-peak detection for circumferential borehole image logging | — | 2015-04-21 |
| 8913461 | Televiewer image wood-grain reduction techniques | Roger R. Steinsiek, Jason M. Harris, Douglas J. Patterson, James B. Domnanish | 2014-12-16 |
| 8886483 | Image enhancement for resistivity features in oil-based mud image | — | 2014-11-11 |
| 8634272 | Televiewer image wood-grain reduction techniques | Roger R. Steinsiek, Jason M. Harris, Douglas J. Patterson, James B. Domnanish | 2014-01-21 |
| 8555966 | Formation testing apparatus and methods | Jorge O. Maxit | 2013-10-15 |
| 8433533 | High resolution sensor with scalable sample rate | Jorge O. Maxit | 2013-04-30 |
| 8335665 | Apparatus and method for high resolution measurements for downhole tools | — | 2012-12-18 |
| 8050865 | System and method for measuring resistivity parameters of an earth formation | Jorge O. Maxit | 2011-11-01 |
| 7950472 | Downhole local mud weight measurement near bit | Rocco DiFoggio | 2011-05-31 |