PRESSURE STABILIZING CAVUM STRUCTURE APPLICABLE TO AIR-LAYER DRAG REDUCTION SHIP
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
May 2, 2024
app pub date -
Mar 4, 2021
filing date -
Feb 23, 2021
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A pressure stabilizing cavum includes multiple PE pipes and a backing plate. The multiple PE pipes are inserted through a longitudinal keel of the ship. Each PE pipe is provided with a first opening. Both two sides of the each PE pipe in the width direction of the first opening are connected to a hull bottom plate of the ship to form a pressure stabilizing cavum. The backing plate is located between the each PE pipe and the hull bottom plate and is sealingly connected to the each PE pipe and the hull bottom plate. The backing plate is provided with a first through hole, and the hull bottom plate is provided with a second through hole communicating with the first through hole, and the pressure stabilizing cavum communicates with the outside of the ship through the first through hole and the second through hole.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CSSC SHANGHAI MARINE ENERGY SAVING TECHNOLOGY CO LTD | SHANGHAI |
International Classification(s)

- 2021 Application Filing Year
- B63B Class
- 896 Applications Filed
- 523 Patents Issued To-Date
- 58.38 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chen, Leiqiang | Shanghai, CN | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Chen, Shaofeng | Shanghai, CN | 18 | 22 |
# of filed Patents : 18 Total Citations : 22 | |||
Gao, Lijin | Shanghai, CN | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
Huang, Guofu | Shanghai, CN | 11 | 40 |
# of filed Patents : 11 Total Citations : 40 | |||
Huang, Shuquan | Shanghai, CN | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
Wu, Zan | Shanghai, CN | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 | |||
Xia, Haochao | Shanghai, CN | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 | |||
Yan, Zhouguang | Shanghai, CN | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Yun, Qiuqin | Shanghai, CN | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 |
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Patent Citation Ranking
- 0 Citation Count
- B63B Class
- 0 % this patent is cited more than
- 1 Age
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