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Qingdao, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Releasing and recovery device of box-type sampling equipment
Patent number
11,691,696
Issue date
Jul 4, 2023
FIRST INSTITUTE OF OCEANOGRAPHY, MINISTRY OF NATURAL RESOURCES
Zhiyuan Li
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Filling mining method for fully-mechanized top coal caving working...
Patent number
11,047,236
Issue date
Jun 29, 2021
Shandong University of Science and Technology
Shaojie Chen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coal measures fault formation simulation experiment device and norm...
Patent number
10,991,271
Issue date
Apr 27, 2021
Shandong University of Science and Technology
Shaojie Chen
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Normal fault simulation experiment device with adjustable angle and...
Patent number
10,957,222
Issue date
Mar 23, 2021
Shandong University of Science and Technology
Shaojie Chen
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
Releasing and Recovery Device of Box-type Sampling Equipment
Publication number
20230002014
Publication date
Jan 5, 2023
FIRST INSTITUTE OF OCEANOGRAPHY, MINISTRY OF NATURAL RESOURCES
Zhiyuan LI
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
NORMAL FAULT SIMULATION EXPERIMENT DEVICE WITH ADJUSTABLE ANGLE AND...
Publication number
20210049933
Publication date
Feb 18, 2021
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Shaojie CHEN
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
COAL MEASURES FAULT FORMATION SIMULATION EXPERIMENT DEVICE AND NORM...
Publication number
20210049934
Publication date
Feb 18, 2021
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Shaojie CHEN
G01 - MEASURING TESTING
Information
Patent Application
FILLING MINING METHOD FOR FULLY-MECHANIZED TOP COAL CAVING WORKING...
Publication number
20210040850
Publication date
Feb 11, 2021
Shandong University of Science and Technology
Shaojie CHEN
E21 - EARTH DRILLING MINING