Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199265 | Pipe connection compensation device by magnetic fluid sealing | Houlin Liu, Zilong Zhang, Kaikai Luo, Kai Wang, Liang Dong +1 more | 2021-12-14 |
| 11193600 | Ultra-low carryover solenoid valve | Leonard Prais, Donald Purcell | 2021-12-07 |