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Hangzhou, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Yieldable construction method for early releasing surrounding rock...
Patent number
10,378,172
Issue date
Aug 13, 2019
POWERCHINA HUADONG ENGINEERING CORPORATION LIMITED
Weijiang Chu
F42 - AMMUNITION BLASTING
Information
Patent Grant
Surrounding rock pretreatment method for TBM passing through round...
Patent number
9,995,139
Issue date
Jun 12, 2018
Weijiang Chu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wind turbine generator foundation with pressure-dispersive high str...
Patent number
9,359,741
Issue date
Jun 7, 2016
POWERCHINA HUADONG ENGINEERING CORPORATION LIMITED
Wei Li
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Grouting cabin structure of a grouted connection in a foundation of...
Patent number
8,757,933
Issue date
Jun 24, 2014
Hydrochina Hangzhou Engineering Corp
Wei Li
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
YIELDABLE CONSTRUCTION METHOD FOR EARLY RELEASING SURROUNDING ROCK...
Publication number
20180010316
Publication date
Jan 11, 2018
PoweChina Huadong Engineering Corporation Limited
Weijiang CHU
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
SURROUNDING ROCK PRETREATMENT METHOD FOR TBM PASSING THROUGH ROUND...
Publication number
20180010452
Publication date
Jan 11, 2018
PoweChina Huadong Engineering Corporation Limited
Weijiang CHU
E21 - EARTH DRILLING MINING
Information
Patent Application
Wind Turbine Generator Foundation with Pressure-Dispersive High Str...
Publication number
20150376858
Publication date
Dec 31, 2015
POWERCHINA HUADONG ENGINEERING CORPORATION LIMITED
Wei LI
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING