Inventor

ZHAI KEJIE

CN2 patents

⚠️ This page may combine multiple inventors who share the name “ZHAI KEJIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV ZHENGZHOU

1 patent

US12583566B2Mar 24, 2026

Unmanned vessel-based maintenance decision-making method for diagnosing sedimentation in drainage pipelines and providing early warning for waterlogging

UNIV ZHENGZHOU0 citations46

WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD

1 patent

US11274784B2Mar 15, 2022

In-service repair method combining externally bonded pre-stressed FRP and polymer grouting for PCCP with broken wire

WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD0 citations45