Company Badge
USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#74 in Sichuan
#18,890 in China
Chengdu Weiyi Petroleum Technology Co., Ltd
Forward Citations = 0
6 inventors:
Chengdu Weiyi Petroleum Technology Co., Ltd
Calculating rank
Forward Citations = 0
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6 inventors (with patents filed for the assignee):
Yingxin Yang (1 out of 4 patents)
Haitao Ren (1 out of 4 patents)
Shiwei Niu (1 out of 1 patent)
4. Chunliang Zhang (1 out of 1 patent)
5. Yang Li (1 out of 1 patent)
6. Deng Zhang (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chengdu Weiyi Petroleum Technology Co., Ltd. Retrieved from https://idiyas.com/company/chengdu-weiyi-petroleum-technology
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]