DH

Daxin He

FC Feng He Ying Zao Group Co.: 1 patents #11 of 22Top 50%
📍 Nanchang, PA: #1 of 2 inventorsTop 50%
Overall (All Time): #1,949,143 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9915048 Method for river/lake level regulation and water conservancy system Baoru Jie, Jiangang Jie, Shuangxi Zhou, Jue Li, Jie Fu +1 more 2018-03-13
5897772 Multi-stage flotation column Shiao-Hung Chiang, Fuxin Ding 1999-04-27