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Duyu HOU
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Chengdu, CN
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Patents Grants
last 30 patents
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Patent Grant
Negative pressure shale shaker integrated with negative pressure ge...
Patent number
11,802,450
Issue date
Oct 31, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Yongjun Hou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Underbalanced Drilling Vibrating Screen Integrated With Automatic D...
Publication number
20230417113
Publication date
Dec 28, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Yongjun Hou
E21 - EARTH DRILLING MINING
Information
Patent Application
INDEPENDENT DOUBLE-NEGATIVE-PRESSURE SHALE SHAKER
Publication number
20230131096
Publication date
Apr 27, 2023
SOUTHWEST PETROLEUM UNIVERSITY
Yongjun Hou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NEGATIVE PRESSURE SHALE SHAKER INTEGRATED WITH NEGATIVE PRESSURE GE...
Publication number
20220307336
Publication date
Sep 29, 2022
SOUTHWEST PETROLEUM UNIVERSITY
Yongjun HOU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL