Issued Patents All Time
Showing 101–125 of 164 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10540823 | Method and apparatus for determining a planar surface | Yi Xu | 2020-01-21 |
| 10513578 | Etheramines and their use as curatives or intermediates for polymer synthesis | David C. Lewis, Howard P. Klein, Terry L. Renken, Leah Patterson | 2019-12-24 |
| 10508229 | Crosslinked polymers including sulfonic acid groups or salts or esters thereof as viscosifiers and fluid loss additives for subterranean treatment | Weibin Zha, Jay Paul Deville | 2019-12-17 |
| 10501675 | Fluid loss additive for water based drilling fluids with improved thermal stability | Weibin Zha | 2019-12-10 |
| 10482674 | System and method for mobile augmented reality | Yuzhang Wu, Yi Xu, Dan Miao | 2019-11-19 |
| 10414963 | High-temperature crosslinked polymer for use in a well | Jay Paul Deville | 2019-09-17 |
| 10407526 | Crosslinked polymer compositions with two crosslinkers for use in subterranean formation operations | Weibin Zha, Kay Ann Galindo | 2019-09-10 |
| 10336850 | Methods of use for crosslinked polymer compositions in subterranean formation operations | Weibin Zha, Kay Ann Galindo | 2019-07-02 |
| 10290049 | System and method for multi-user augmented reality shopping | Yi Xu, Yuzhang Wu | 2019-05-14 |
| 10273397 | Synthetic crosslinked polymer additive for use in subterranean treatment fluids | Weibin Zha | 2019-04-30 |
| 10179872 | Fluid loss additive for water based drilling fluids with improved thermal stability | Weibin Zha | 2019-01-15 |
| 10113098 | Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations | Kay Ann Galindo, Weibin Zha, Jay Paul Deville | 2018-10-30 |
| 10081567 | Apparatus and method for producing core rod of optical fiber | Xinli Jiang, Xikai Xu, Jinwen Chen, Benhua Qian | 2018-09-25 |
| 10072199 | Metalate-based additives for use in subterranean formations | Cato Russell McDaniel, Timothy N. Harvey, William Walter Shumway | 2018-09-11 |
| 10017680 | Crosslinked N-vinylpyrrolidone polymers for use in subterranean formations and wells | Jay Paul Deville, Chesnee Lae Davis | 2018-07-10 |
| 10000683 | Drilling fluids with crosslinked sulfonate-containing polymers dispersed in high density brines | Kay Ann Galindo, Weibin Zha | 2018-06-19 |
| 9822215 | Etheramines with enhanced thermal stability and their use as curatives or intermediates for polymer synthesis | David C. Lewis, Howard P. Klein, Terry L. Renken | 2017-11-21 |
| 9792698 | Image refocusing | Timo Ahonen | 2017-10-17 |
| 9701882 | Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations | Kay Ann Galindo, Weibin Zha, Jay Paul Deville | 2017-07-11 |
| 9545603 | Composite membranes | Yun Lu, Zhiquan Shi, Tingyang Dai | 2017-01-17 |
| 9522838 | Apparatus and method for producing core rod of optical fiber | Xinli Jiang, Xikai Xu, Jinwen Chen, Benhua Qian | 2016-12-20 |
| 9519956 | Processing stereo images | Ching-Hui Chen, Timo Ahonen | 2016-12-13 |
| 9410069 | Ethylene viscosifier polymer for treatment of a subterranean formation | Weibin Zha | 2016-08-09 |
| 9401027 | Method and apparatus for scene segmentation from focal stack images | Timo Ahonen, Karim Benchemsi, Tobias Karlsson, Amer Mustajbasic, Johan Windmark | 2016-07-26 |
| 9349006 | Method and device for program identification based on machine learning | Hongyi Zhou, Yi Dong | 2016-05-24 |