Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10655880 | System and method for retrofitting HVAC systems | Zheng Zhang, Ze Jiang, Yifeng Yu | 2020-05-19 |
| 10648687 | System and method for retrofitting HVAC systems | Zheng Zhang, Ze Jiang, Yifeng Yu | 2020-05-12 |
| 10627128 | System and method for retrofitting HVAC systems | Zheng Zhang, Ze Jiang, Yifeng Yu | 2020-04-21 |