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Qingdao City, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Drilling-slitting-sealing-fracturing device and method for a deep l...
Patent number
11,506,041
Issue date
Nov 22, 2022
Shandong University of Science and Technology
Gang Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Steeply-inclined ultra-thick coal seam gas control method based on...
Patent number
11,149,527
Issue date
Oct 19, 2021
Shandong University of Science and Technology
Gang Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Drill-power-based directional hydraulic fracturing system for downh...
Patent number
10,774,591
Issue date
Sep 15, 2020
Shandong University of Science and Technology
Gang Wang
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DEEP LOW-PERMEABILITY HIGH GASSY SEAM DRILLING-SLITTING-SEALING-FRA...
Publication number
20220213773
Publication date
Jul 7, 2022
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Gang WANG
E21 - EARTH DRILLING MINING
Information
Patent Application
STEEPLY-INCLINED ULTRA-THICK COAL SEAM GAS CONTROL METHOD BASED ON...
Publication number
20210246767
Publication date
Aug 12, 2021
Gang WANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DRILL-POWER-BASED DIRECTIONAL HYDRAULIC FRACTURING SYSTEM FOR DOWNH...
Publication number
20200080382
Publication date
Mar 12, 2020
Shandong University of Science and Technology
Gang WANG
E21 - EARTH DRILLING MINING