Inventor
ZENG QINGLIANG
CN6 patents
Patents
6 patentsUS12352169B2Jul 8, 2025
Hydraulic support with quick response function for coal wall spalling
UNIV SHANDONG SCIENCE & TECH0 citations50
US12044322B1Jul 23, 2024
Large-volume liquid fixed-ratio multi-batch mixing valve
UNIV SHANDONG SCIENCE & TECH0 citations48
US11535284B2Dec 27, 2022
Anti-impact device and working method thereof
UNIV SHANDONG SCIENCE & TECH0 citations44
US11480263B2Oct 25, 2022
Magnetically controlled material-based magnetorheological pilot operated safety valve for hydraulic support, and applications of the same
UNIV SHANDONG SCIENCE & TECH0 citations44
US10954784B2Mar 23, 2021
Shearer cutting unit with double-speed rollers
UNIV SHANDONG SCIENCE & TECH0 citations44
US10801475B2Oct 13, 2020
Multi-buffering energy storage device and application thereof
UNIV SHANDONG SCIENCE & TECH0 citations33