Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10365389 | MEMS-based transducers on a downhole tool | Yinghui Lu, John Philip Granville, Yibing Zheng, David Alan Welsh | 2019-07-30 |
| 10301932 | Ultrasonic casing and cement evaluation method using a ray tracing model | Tianrun Chen, Yibing Zheng, Arthur Cheng, Robert Eric Epstein, Zhijuan Zhang | 2019-05-28 |
| 10241086 | Validation of cased-hole acoustic tools | Walmy Cuello Jimenez, Xueyu Pang, Paul Joseph Jones, Robert Eric Epstein, Zachary Edward Gordon +1 more | 2019-03-26 |