HL

Haofeng Luan

📍 Qingdao, CN: #557 of 2,087 inventorsTop 30%
Overall (All Time): #1,693,103 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12351495 Wastewater treatment system, construction method for wastewater treatment system, and wastewater treatment cylinder Shilian Mao, Xianlian Yang, Zhengkai Mao, Jianmeng Du 2025-07-08
12214300 Sedimentation plate, sedimentation assembly, and sedimentation module Shilian Mao, Jianmeng Du 2025-02-04