Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119545 | 3-D sensorless conversion method and apparatus for pump differential pressure and flow | Andrew A. Cheng, James J. GU | 2018-11-06 |
| 10048701 | Dynamic linear control methods and apparatus for variable speed pump control | Andrew A. Cheng, James J. GU | 2018-08-14 |
| 9938970 | Best-fit affinity sensorless conversion means or technique for pump differential pressure and flow monitoring | Andrew A. Cheng, James J. GU | 2018-04-10 |
| 9897084 | Sensorless adaptive pump control with self-calibration apparatus for hydronic pumping system | Andrew A. Cheng, James J. GU | 2018-02-20 |