EPO Patents = 1

Forward Citations = 1

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26 inventors (with patents filed for the assignee):

Yuxian Wu (2 out of 2 patents)

He Jin (2 out of 2 patents)

Shengquan Yan (2 out of 2 patents)

4. Duo Zou (2 out of 2 patents)

5. Yi Zhou (1 out of 14 patents)

6. Gangliang Liu (1 out of 1 patent)

7. Zhongwen Wang (1 out of 1 patent)

8. Yiming Xu (1 out of 1 patent)

9. Rongfeng Chen (1 out of 1 patent)

10. Baihong Deng (1 out of 1 patent)

11. Taihao Chen (1 out of 1 patent)

12. Zungui Lei (1 out of 1 patent)

13. Lichuan Cui (1 out of 1 patent)

14. Yadang Zhao (1 out of 1 patent)

15. Chengmin Wang (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 12522990 - Bridge sliding device and a bridge construction system (2026-01-13),

2. 12214999 - Intelligent hoisting method for beam segments used in bridgedeck crane systems and a bridge deck crane system (2025-02-04),

3. 10914043 - Construction method for a cantilever beam on a central pier (2021-02-09),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#230 in Guangzhou

#8,360 in China

Guangzhou, China

Poly Changda Engineering Co., Ltd.

Forward Citations = 1

26 inventors:

Yuxian Wu (2 out of 2 patents)

He Jin (2 out of 2 patents)

Shengquan Yan (2 out of 2 patents)

4. Duo Zou (2 out of 2 patents)

5. Yi Zhou (1 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Poly Changda Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/poly-changda-engineering-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]