Inventor

QIAO GUOBIN

CN3 patents

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

WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD

2 patents

US11085166B2Aug 10, 2021

Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereof

WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD0 citations57

US12428519B2Sep 30, 2025

Silicate modified polymer foam material for filling and sealing

WELEAD INFRASTRUCTURE ENGINEERING TECH ZHENGZHOU LTD0 citations46

SAFEKEY ENGINEERING TECH ZHENGZHOU LTD

1 patent

US11970564B2Apr 30, 2024

Structural flame retardant high strength low exothermic polymer grouting material for consolidating

SAFEKEY ENGINEERING TECH ZHENGZHOU LTD0 citations45