Zengjun LI

Person

TIANJIN, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Water replacement type storage field construction method and storag...
- Patent number 12,215,470
- Issue date Feb 4, 2025
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Wei Pan
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Semi-submersible immersed tube transportation and installation inte...
- Patent number 11,674,283
- Issue date Jun 13, 2023
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Yiyong Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Water stopping device of suspension and sliding type and an applica...
- Patent number 11,655,608
- Issue date May 23, 2023
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Zengjun Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Self-propelled integrated ship for transporting and installing imme...
- Patent number 10,836,459
- Issue date Nov 17, 2020
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Yiyong Li
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Foundation treatment method for piling foundation structure by pene...
- Patent number 10,781,567
- Issue date Sep 22, 2020
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Yiyong Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
WATER REPLACEMENT TYPE STORAGE FIELD CONSTRUCTION METHOD AND STORAG...
- Publication number 20240368852
- Publication date Nov 7, 2024
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Wei PAN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
TOP-LOCK PULL-OUT TYPE CONNECTING DEVICE AND IMMERSED TUBE CONSTRUC...
- Publication number 20240190541
- Publication date Jun 13, 2024
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Zengjun LI
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
WATER STOPPING DEVICE OF SUSPENSION AND SLIDING TYPE AND AN APPLICA...
- Publication number 20230151579
- Publication date May 18, 2023
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Zengjun LI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SEMI-SUBMERSIBLE IMMERSED TUBE TRANSPORTATION AND INSTALLATION INTE...
- Publication number 20230017526
- Publication date Jan 19, 2023
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Yiyong LI
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
FOUNDATION TREATMENT METHOD FOR PILING FOUNDATION STRUCTURE BY PENE...
- Publication number 20200040542
- Publication date Feb 6, 2020
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- YIYONG LI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SELF-PROPELLED INTEGRATED SHIP FOR TRANSPORTING AND INSTALLING IMME...
- Publication number 20190263483
- Publication date Aug 29, 2019
- CCCC FIRST HARBOR ENGINEERING CO., LTD.
- Yiyong LI
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Person

Patents Grantslast 30 patents

Water replacement type storage field construction method and storag...

Semi-submersible immersed tube transportation and installation inte...

Water stopping device of suspension and sliding type and an applica...

Self-propelled integrated ship for transporting and installing imme...

Foundation treatment method for piling foundation structure by pene...

Patents Applicationslast 30 patents

WATER REPLACEMENT TYPE STORAGE FIELD CONSTRUCTION METHOD AND STORAG...

TOP-LOCK PULL-OUT TYPE CONNECTING DEVICE AND IMMERSED TUBE CONSTRUC...

WATER STOPPING DEVICE OF SUSPENSION AND SLIDING TYPE AND AN APPLICA...

SEMI-SUBMERSIBLE IMMERSED TUBE TRANSPORTATION AND INSTALLATION INTE...

FOUNDATION TREATMENT METHOD FOR PILING FOUNDATION STRUCTURE BY PENE...

SELF-PROPELLED INTEGRATED SHIP FOR TRANSPORTING AND INSTALLING IMME...