Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186763 | Acid sensitive emulsifier for use in subterranean treatment operations | William Walter Shumway, Jay Paul Deville, Kingsley Ihueze Nzeadibe | 2021-11-30 |
| 11175334 | Method and device for calculating household appliance faults | Dong Chen, Yongfu Cheng, Pengan Li, Xiaofei Zhang | 2021-11-16 |
| 11034877 | Emulsifiers for direct emulsion drilling fluids | Catherine Martin Santos | 2021-06-15 |
| 10890347 | Method and device for controlling air conditioner | Shifang Song, Yongfu Cheng | 2021-01-12 |