Inventor

WAN LIRONG

CN2 patents

Patents

2 patents

US12352169B2Jul 8, 2025

Hydraulic support with quick response function for coal wall spalling

UNIV SHANDONG SCIENCE & TECH0 citations50

US11913479B2Feb 27, 2024

Impact-resistant balanced hydro-cylinder with pressure relief and buffering protection

UNIV SHANDONG SCIENCE & TECH0 citations36