HL

Haofeng Luan

📍 Qingdao, CN: #43 of 535 inventorsTop 9%
Overall (2025): #123,485 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

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