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Ki-Yong Song
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Seoul, KR
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Patents Grants
last 30 patents
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Patent Grant
Hybrid foundation structure, and method for building same
Patent number
10,161,097
Issue date
Dec 25, 2018
EXT CO., LTD.
Ki Yong Song
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Hybrid foundation structure, and method for building same
Patent number
9,546,465
Issue date
Jan 17, 2017
EXT CO., LTD.
Ki Yong Song
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
HYBRID FOUNDATION STRUCTURE, AND METHOD FOR BUILDING SAME
Publication number
20170370065
Publication date
Dec 28, 2017
EXT CO., LTD.
Ki Yong SONG
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYBRID FOUNDATION STRUCTURE, AND METHOD FOR BUILDING SAME
Publication number
20170089023
Publication date
Mar 30, 2017
EXT CO., LTD.
Ki Yong SONG
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
HYBRID FOUNDATION STRUCTURE, AND METHOD FOR BUILDING SAME
Publication number
20150139739
Publication date
May 21, 2015
SKINEARTH CO., LTD.
Ki Yong Song
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
An extended head pile with inside and outside reinforcement
Publication number
20090263197
Publication date
Oct 22, 2009
Ki-Yong Song
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING