Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578588 | Frequency weighting in broadband acoustic beamforming | Nam Nguyen, Yi Yang Ang, Rebecca Corina Jachmann, Yinghui Lu, Srinivasan Jagannanthan | 2023-02-14 |
| 11560788 | System and method for estimation and prediction of production rate of a well via geometric mapping of a perforation zone using a three-dimensional acoustic array | Darren Philip Walters, Freeman L. Hill, Yinghui Lu, Srinivasan Jagannathan | 2023-01-24 |
| 11536132 | Integrated multiple parameter sensing system and method for leak detection | Hua Xia, Clovis Bonavides | 2022-12-27 |
| 11402532 | Leak localization using acoustic-signal correlations | Yi Yang Ang, Yinghui Lu, Srinivasan Jagannanthan, Nam Nguyen | 2022-08-02 |
| 11359482 | Downhole leak monitor system | Li Gao, Krishna M. Ravi | 2022-06-14 |
| 11208884 | Acoustic array signal processing for flow detection | Yinghui Lu, Paris Smaragdis, Nam Nguyen, David Alan Welsh, Clifford Lloyd Macklin +1 more | 2021-12-28 |
| 11053790 | Acoustic downhole leak classification and quantification | Yinghui Lu, Paris Smaragdis, Daniel Viassolo, Clifford Lloyd Macklin | 2021-07-06 |
| 10983238 | Wellbore sand detection using passive acoustic array | Nam Nguyen, Yi Yang Ang, Srinivasan Jagannathan, Darren Philip Walters, Freeman L. Hill | 2021-04-20 |
| 10760410 | Stitching methods to enhance beamforming results | Nam Nguyen, Yi Yang Ang, Yinghui Lu, Paris Smaragdis, David Alan Welsh +1 more | 2020-09-01 |
| 10598563 | Downhole acoustic source localization | Yinghui Lu, Chung Chang, Mark Vincent Collins, Srinivasan Jagannathan, Yibing Zheng | 2020-03-24 |
| 10392925 | Systems and methods to utilize a sensor to provide spatial resolution in downhole leak detection | Yi Yang Ang, Nam Nguyen, Joni Polili Lie, Yinghui Lu | 2019-08-27 |
| 10274628 | Acoustic device for reducing cable wave induced seismic noises | Hua Xia, David Andrew Barfoot | 2019-04-30 |
| 10215015 | Strain sensitive optical fiber cable package for downhole distributed acoustic sensing | Hua Xia, David Andrew Barfoot | 2019-02-26 |
| 10215016 | Wellbore monitoring system using strain sensitive optical fiber cable package | Hua Xia, David Andrew Barfoot | 2019-02-26 |
| 10173381 | Method of manufacturing a distributed acoustic sensing cable | Hua Xia, David Andrew Barfoot | 2019-01-08 |
| 9933381 | Downhole tool for determining electrical resistance of a fluid in a wellbore | Clovis Bonavides, Hua Xia | 2018-04-03 |
| 9618919 | Real-time scheduling of linear models for control and estimation | Daniel Viassolo, Brent Jerome Brunell | 2017-04-11 |
| 9002615 | Methods and systems for managing power of an engine | Aditya Kumar, Santanu Chatterjee, Pierino Gianni Bonanni | 2015-04-07 |
| 8352216 | System and method for advanced condition monitoring of an asset system | Rajesh Venkat Subbu, John Erik Hershey, Xiao Hu, Robert James Mitchell, Jr., Piero Patrone Bonissone | 2013-01-08 |
| 8144005 | System and method for advanced condition monitoring of an asset system | Xiao Hu, John Erik Hershey, Robert James Mitchell, Jr., Rajesh Venkat Subbu, Piero Patrone Bonissone | 2012-03-27 |
| 8112252 | Control system and methods of verifying operation of at least one wind turbine sensor | Maria Cecilia Mazzaro, Mark Edward Cardinal, Bernardo Adrian Movsichoff, Thomas Ernst Dinjus | 2012-02-07 |
| 7756678 | System and method for advanced condition monitoring of an asset system | Piero Patrone Bonissone, John Erik Hershey, Robert James Mitchell, Jr., Rajesh Venkat Subbu, Xiao Hu | 2010-07-13 |
| 7581945 | System, method, and article of manufacture for adjusting CO emission levels at predetermined locations in a boiler system | Neil Colin Widmer, Ivy Wai Man Chong | 2009-09-01 |
| 7492980 | Methods of making and operating a fiber optic sensing device | Kevin Thomas McCarthy, Kung-Li Deng, Hua Xia, Michael Joseph Krok | 2009-02-17 |
| 7489835 | Sensing system with fiber gas sensor | Hua Xia, Jeffrey Scott Goldmeer, Kevin Thomas McCarthy, Aditya Kumar, Ravindra Annigeri +2 more | 2009-02-10 |