Caiyun HUAN

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for tackling repelling of hammering during pipe pile driving
- Patent number 10,041,223
- Issue date Aug 7, 2018
- Wenhua Chen
- 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 Applicationslast 30 patents

Information Patent Application
METHOD FOR TACKLING REPELLING OF HAMMERING DURING PIPE PILE DRIVING
- Publication number 20170362790
- Publication date Dec 21, 2017
- PoweChina Huadong Engineering Coporation Limited
- Wenhua CHEN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Grouting Cabin Structure of a Grouted Connection in a Foundation of...
- Publication number 20130259581
- Publication date Oct 3, 2013
- Hydrochina Huadong Engineering Corporation
- Wei LI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING