Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Guanfu Tu (2 out of 5 patents)

Qiang Liu (1 out of 2 patents)

Fang Xu (1 out of 1 patent)

4. Xia Yang (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12546170 - Impact-resistant multi-cutting-edge diamond compact and earth-boring tool (2026-02-10),

2. 12435576 - Multi-cutting-edge diamond composites and earth-boring tools (2025-10-07),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#123 in Wuhan

#11,632 in China

Wuhan, China

Sinopec Oilfield Equipment Corporation

Forward Citations = 0

4 inventors:

Guanfu Tu (2 out of 5 patents)

Qiang Liu (1 out of 2 patents)

Fang Xu (1 out of 1 patent)

4. Xia Yang (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sinopec Oilfield Equipment Corporation. Retrieved from https://idiyas.com/company/sinopec-oilfield-equipment

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]