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Patents Grants
last 30 patents
Information
Patent Grant
Kind of no-pillar and gob-side entry retaining mining and construct...
Patent number
11,746,654
Issue date
Sep 5, 2023
Shandong University of Science and Technology
Qihua Ma
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automatic simulation test bench for similar materials of top-coal c...
Patent number
11,519,837
Issue date
Dec 6, 2022
Shandong University of Science and Technology
Shanchao Hu
G01 - MEASURING TESTING
Information
Patent Grant
Rock impact loading-unloading confining pressure test system and us...
Patent number
11,215,542
Issue date
Jan 4, 2022
Shandong University of Science and Technology
Xuesheng Liu
G01 - MEASURING TESTING
Information
Patent Grant
Reverse rotary sprinkler drilling pipe system with anti-sticking fu...
Patent number
10,794,136
Issue date
Oct 6, 2020
Shandong University of Science and Technology
Yunliang Tan
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
A Kind of No-Pillar and Gob-Side Entry Retaining Mining and Constru...
Publication number
20230103613
Publication date
Apr 6, 2023
Shandong University of Science and Technology
Qihua MA
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTOMATIC SIMULATION TEST BENCH FOR SIMILAR MATERIALS OF TOP-COAL C...
Publication number
20220221384
Publication date
Jul 14, 2022
Shandong University of Science and Technology
Shanchao HU
G01 - MEASURING TESTING
Information
Patent Application
ROCK IMPACT LOADING-UNLOADING CONFINING PRESSURE TEST SYSTEM AND US...
Publication number
20200319070
Publication date
Oct 8, 2020
Shandong University of Science and Technology
Xuesheng LIU
G01 - MEASURING TESTING
Information
Patent Application
A Reverse Rotary Sprinkler Drilling Pipe System with Anti-sticking...
Publication number
20200024925
Publication date
Jan 23, 2020
Shandong University of Science and Technology
Yunliang TAN
E21 - EARTH DRILLING MINING