Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10655621 | Control system and method of a VFD-based pump and pump system | Yilun Chen | 2020-05-19 |
| 10527035 | Anti-ripple injection method and apparatus and control system of a pump | Yilun Chen | 2020-01-07 |