For the Inventor, By the Inventor

Enter assignee name

Cccc First Harbor Engineering Co., Ltd.

USPTO Granted Patents = 10

EPO Patents = 4

Forward Citations = 2

Loading Chart...

Loading Chart...

41 inventors (with patents filed for the assignee):

Yiyong Li (7 out of 7 patents)

Zengjun Li (6 out of 6 patents)

Naishou Zhang (5 out of 5 patents)

4. Chuang Du (4 out of 4 patents)

5. Wei Pan (3 out of 3 patents)

6. Jinfang Hou (3 out of 3 patents)

7. Binbin Xu (2 out of 2 patents)

8. Aimin Liu (2 out of 2 patents)

9. Qiang Guo (1 out of 1 patent)

10. Chao Gao (1 out of 2 patents)

11. Bingchuan Guo (1 out of 1 patent)

12. Zhenjie Tao (1 out of 2 patents)

13. Jianning Zhang (1 out of 2 patents)

14. Chao Zhang (1 out of 2 patents)

15. Jinjin Ning (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 12448089 - Top-lock pull-out type connecting device and immersed tube construction ship (2025-10-21),

2. 12392609 - Methods for real-time deviation monitoring of miniature pipe roofing jacking pipe of spiral soil-discharging (2025-08-19),

3. 12215470 - Water replacement type storage field construction method and storage field (2025-02-04),

4. 12180668 - Methods for predicting a stability of a steel cylinder against tilt (2024-12-31),

5. 12163305 - Installation method for closure joint of immersed tunnel (2024-12-10),

6. 11821885 - Test methods for simulating sediment pollutant release under effect of river channel erosion (2023-11-21),

7. 11674283 - Semi-submersible immersed tube transportation and installation integrated ship and construction process (2023-06-13),

8. 11655608 - Water stopping device of suspension and sliding type and an application thereof (2023-05-23),

9. 10836459 - Self-propelled integrated ship for transporting and installing immersed tubes of underwater tunnel and construction process (2020-11-17),

10. 10781567 - Foundation treatment method for piling foundation structure by penetrating hardpan layer (2020-09-22),

Cccc First Harbor Engineering Co., Ltd. is a leading Chinese construction company specializing in harbor engineering, dredging, and marine construction projects. With a strong emphasis on quality, safety, and innovation, the company has successfully completed numerous projects both domestically and internationally. Cccc First Harbor Engineering Co., Ltd. is committed to providing efficient and sustainable solutions to meet the needs of clients in the maritime industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

10 Patents

#34 in Tianjin

#2,446 in China

#54,204 in the World

Cccc First Harbor Engineering Co., Ltd.

Forward Citations = 2

41 inventors:

Yiyong Li (7 out of 7 patents)

Zengjun Li (6 out of 6 patents)

Naishou Zhang (5 out of 5 patents)

4. Chuang Du (4 out of 4 patents)

5. Wei Pan (3 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…