Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513053 | Method for determining optimal preservation temperature of anaerobic ammonium oxidation biofilm in wastewater treatment for total nitrogen removal | Yin Zhu, Xuesong Yi, Ji Li, Yan Wang, Junhua Zheng | 2022-11-29 |
| 11473119 | Method for determining optimum preservation temperature of sulfur autotrophic denitrifying bacteria biofilm | Xiaodong Wang, Hui LV, Ji Li, Yan Wang | 2022-10-18 |
| 11333382 | System for heating, ventilation, air-conditioning | — | 2022-05-17 |
| D943640 | Horizontal directional drill | Xuemei Zong, Mingjiang Wang, Ming Li | 2022-02-15 |