Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
6 Patents
#426 in Beijing
#4,483 in China
Changzheng Engineering Co., Ltd.
Forward Citations = 2
18 inventors:
Changzheng Engineering Co., Ltd.
Calculating rank
EPO Patents = 4
Forward Citations = 2
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18 inventors (with patents filed for the assignee):
Wei Xin (5 out of 6 patents)
Congbin Jiang (5 out of 5 patents)
Dong Ma (3 out of 21 patents)
4. Honghai Li (3 out of 5 patents)
5. Ruiheng Gao (3 out of 3 patents)
6. Mingkun Wang (3 out of 3 patents)
7. Jinjun Guo (3 out of 3 patents)
8. Yan Zhang (2 out of 62 patents)
9. Xiaofei Li (2 out of 13 patents)
10. Yongjin Chen (2 out of 2 patents)
11. Pin Liu (1 out of 1 patent)
12. Lizhi Li (1 out of 2 patents)
13. Zhengtao Lu (1 out of 1 patent)
14. Quan Zhou (1 out of 4 patents)
15. Shuanzhu Chen (1 out of 1 patent)
6 patents:
Company Overview
Changzheng Engineering Co., Ltd. is a leading construction and engineering company based in China. With a strong focus on innovation and sustainability, they provide a wide range of services including design, construction, and project management. Their expertise spans across various industries such as civil engineering, architecture, and infrastructure development. Committed to delivering high-quality projects, Changzheng Engineering Co., Ltd. is a trusted partner for clients seeking reliable and efficient solutions.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Changzheng Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/changzheng-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]
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]
4 patents (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]