Assignee
CCCC FIRST HARBOR ENG CO LTD
CN·7 granted patents·2 pending applications·3 citations·filing 2019–2025
Top patents by PatentIndex Score
9 records- 0176US10836459B2Self-propelled integrated ship for transporting and installing immersed tubes of underwater tunnel and construction processCCCC FIRST HARBOR ENG CO LTD·Filed 2019·Granted Nov 17, 2020·3 cites·18 claims
- 0262US2025320688A1Immersed tube production system and production methodCCCC FIRST HARBOR ENG CO LTD·Filed 2025·Application pending·0 cites
- 0360US11655608B1Water stopping device of suspension and sliding type and an application thereofCCCC FIRST HARBOR ENG CO LTD·Filed 2022·Granted May 23, 2023·0 cites·18 claims
- 0459US2025322118A1Bim-based hanging basket design method, computer device and computer-readable storage mediumCCCC FIRST HARBOR ENG CO LTD·Filed 2025·Application pending·0 cites
- 0554US12448089B2Top-lock pull-out type connecting device and immersed tube construction shipCCCC FIRST HARBOR ENG CO LTD·Filed 2024·Granted Oct 21, 2025·0 cites·17 claims
- 0654US12215470B2Water replacement type storage field construction method and storage fieldCCCC FIRST HARBOR ENG CO LTD·Filed 2024·Granted Feb 4, 2025·0 cites·8 claims
- 0749US11674283B2Semi-submersible immersed tube transportation and installation integrated ship and construction processCCCC FIRST HARBOR ENG CO LTD·Filed 2022·Granted Jun 13, 2023·0 cites·14 claims
- 0847US12163305B1Installation method for closure joint of immersed tunnelCCCC FIRST HARBOR ENG CO LTD·Filed 2024·Granted Dec 10, 2024·0 cites·11 claims
- 0946US10781567B2Foundation treatment method for piling foundation structure by penetrating hardpan layerCCCC FIRST HARBOR ENG CO LTD·Filed 2019·Granted Sep 22, 2020·0 cites·18 claims
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