Inventor
ZHAO TONGBIN
CN14 patents
Patents
14 patentsUS11067488B1Jul 20, 2021
Inner and outer framework combined variable stiffness rock mechanics tester and testing method
UNIV SHANDONG SCIENCE & TECH11 citations81
US11834949B2Dec 5, 2023
Collaborative erosion-control method of releasing-splitting-supporting based on coal mass pressure relief and roof pre-splitting
UNIV SHANDONG SCIENCE & TECH4 citations72
US12099038B1Sep 24, 2024
Test system and method for anchoring performance of full-size rock mass anchor bolt under combined load
UNIV SHANDONG SCIENCE & TECH3 citations71
US12018534B1Jun 25, 2024
Drilling device for coal mining
UNIV SHANDONG SCIENCE & TECH3 citations71
US11067392B2Jul 20, 2021
Anchor bolt length determination method based on monitoring of roof rock stratum horizontal extrusion force
UNIV SHANDONG SCIENCE & TECH2 citations71
US11499897B2Nov 15, 2022
Deformation controllable compression ring-based mechanical test system for rocks with variable stiffness and test method thereof
UNIV SHANDONG SCIENCE & TECH2 citations70
US12203374B1Jan 21, 2025
System for monitoring overlying roof rock and coal pillar of gob-side entry and method thereof
UNIV SHANDONG SCIENCE & TECH4 citations67
US11860135B2Jan 2, 2024
Three-dimensional dynamic and static load test system for simulating deep roadway excavation and method thereof
UNIV SHANDONG SCIENCE & TECH2 citations58
US11441982B2Sep 13, 2022
Variable dip fault slip simulation test method
UNIV SHANDONG SCIENCE & TECH0 citations48
US10969314B2Apr 6, 2021
Device and method for anchor bolt (cable) supporting structure test and anchoring system performance comprehensive experiment
UNIV SHANDONG SCIENCE & TECH0 citations47
US11041790B2Jun 22, 2021
Stress gradient loading test apparatus and method of accurately determining loading energy
UNIV SHANDONG SCIENCE & TECH0 citations45
US11085858B1Aug 10, 2021
True triaxial tester with adjustable loading stiffness and test method
UNIV SHANDONG SCIENCE & TECH0 citations44
US12467363B1Nov 11, 2025
Device for real-time monitoring movement trajectory of mine roof strata and method thereof
UNIV SHANDONG SCIENCE & TECH0 citations42
US12129760B2Oct 29, 2024
Multi-stage pressure yielding and anti-impact device for anchoring support
UNIV SHANDONG SCIENCE & TECH0 citations41