Issued Patents 2021
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125021 | Customized drilling tools | Xiaoge Gan, Huimin Song | 2021-09-21 |
| 11098532 | Cutting elements having non-planar surfaces and tools incorporating the same | Xiaoge Gan, Anjie Dong, Gerard Johnson, Michael G. Azar, Huimin Song +1 more | 2021-08-24 |
| 11091960 | Placement of non-planar cutting elements | Xiaoge Gan, Huimin Song | 2021-08-17 |
| 11035175 | Drill bit body construction | Huimin Song | 2021-06-15 |
| RE48524 | Cutting elements having cutting edges with continuous varying radii and bits incorporating the same | Yuelin Shen, Michael Janssen | 2021-04-20 |
| 10935508 | Liquid detection device and liquid detection system for abnormal liquid on a surface | Guanwei Li, Guoming Yan | 2021-03-02 |
| RE48455 | Rolling cutter | Yuelin Shen, Zhou Yong, Jiaqing Yu, Madapusi K. Keshavan | 2021-03-02 |