Inventor

NI WEIDA

CN3 patents

Patents

3 patents

US10253473B2Apr 9, 2019

Rock anchor foundation structure suitable for mountain photovoltaic module and construction method of rock anchor foundation structure

POWERCHINA HUADONG ENGINEERING CORP LTD4 citations68

US10048183B2Aug 14, 2018

Integrated style shear apparatus for rock structural plane and a shear experimental method for rock structural plane

POWERCHINA HUADONG ENGINEERING CORP LTD6 citations62

US12435588B2Oct 7, 2025

Rapid assembly and automatic sampling drilling tool for frozen soil layer exploration

POWERCHINA HUADONG ENGINEERING CORP LTD0 citations47