US Patent 11320070 Tube infrastructure with vacuum pressure
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Patent Inventor Names
Chang Young Lee0
Jae Heon Choe0
Jae Hoon Kim0
Jeong Min Jo0
Jin Ho Lee0
Jung Youl Lim0
Kwan Sup Lee0
Min Hwan Ok0
Su Yong Choi0
Yong Jun Jang0
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Patent Number
113200700
Date of Patent
May 3, 2022
0Patent Application Number
166079430
Date Filed
July 19, 2018
0Patent Citations Received
Patent Primary Examiner
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US Patent 11320070 Tube infrastructure with vacuum pressure
Article
A tube infrastructure includes a first tube; a second tube that is coupled to the first tube; and a fluid tank that is disposed to surround a coupling region of the first tube and the second tube and is filled with a fluid to seal the coupling region, wherein the fluid tank allows negative pressure to be maintained inside the first tube and the second tube.
Infobox
Is a
Patent jurisdiction
Patent number
11320070
Date of patent
May 3, 2022
Patent application number
16607943
Date Filed
July 19, 2018
Patent primary examiner
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