Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11541586 | Processing technology for making seepage irrigation pipe with alternate effluent section and non-effluent section | Zhaojun Sun, Jun He, Lei Han, Zhen Wang, Dongdong Han +4 more | 2023-01-03 |
| 10786937 | Processing technology for making seepage irrigation pipe with alternate effluent section and non-effluent section | Zhaojun Sun, Jun He, Lei Han, Zhen Wang, Dongdong Han +4 more | 2020-09-29 |