Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520114 | Pipe clamping device and a pipe assembly | Kelly Chen, Fiona Zhang, Sunny Li | 2019-12-31 |
| 10479196 | Torque element and cap assembly including the same | Charles Qin, Le Hong, Steven Z. Shi | 2019-11-19 |
| 10197191 | Pipe retaining devices | Lawrence Wu, Le Hong, Ming Zhao | 2019-02-05 |