Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#33 in Shaanxi
#18,808 in China
Changqing Engineering Design Co., Ltd.
Forward Citations = 0
20 inventors:
Changqing Engineering Design Co., Ltd.
Calculating rank
Forward Citations = 0
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20 inventors (with patents filed for the assignee):
Yong Ma (1 out of 29 patents)
Chunjiang Cui (1 out of 1 patent)
Jie Liu (1 out of 1 patent)
4. Zongwei Zhang (1 out of 1 patent)
5. Peng Qiu (1 out of 1 patent)
6. Zibing Liu (1 out of 1 patent)
7. Denghai Wang (1 out of 1 patent)
8. Wei Wei (1 out of 1 patent)
9. Junlai Fan (1 out of 1 patent)
10. Liang Lin (1 out of 1 patent)
11. Haojie Yu (1 out of 1 patent)
12. Xuanji Liang (1 out of 1 patent)
13. Yinchun Liu (1 out of 1 patent)
14. Zheng Xia (1 out of 1 patent)
15. Weiping Jiang (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Changqing Engineering Design Co., Ltd.. Retrieved from https://idiyas.com/company/changqing-engineering-design
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]
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]