Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233726 | Pressure differential device with constant pressure drop | Zhi Yong He, Madhawa Ratnayake, Kun-I Yuan, David Teale, Darrin L. Willauer | 2019-03-19 |
| 9745829 | Pressure differential device | Zhi Yong He | 2017-08-29 |