Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10670010 | Direct numeric 3D sensorless converter for pump flow and pressure | Andrew A. Cheng | 2020-06-02 |
| 10670024 | Direct numeric affinity pumps sensorless converter | Andrew A. Cheng, James J. GU | 2020-06-02 |
| 10662954 | Direct numeric affinity multistage pumps sensorless converter | Andrew A. Cheng | 2020-05-26 |