% Expired Patents = 100.0

EPO Patents = 1

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Haiyan Wang (1 out of 44 patents)

Dayong Wu (1 out of 1 patent)

Jianhua Cao (1 out of 3 patents)

1 patent: Sort by Forward Citations

1. 8827672 - Electrospinning device for fabricating membrane by using spinnerets aligned in machine direction and transverse direction and method for using the same (2014-09-09),

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USPTO Data Jan 1 1976 - Oct 6 2026

1 Patents

#1,308 in Beijing

#18,650 in China

Beijing, China

Skpb Membrane-Tech (Beijing) Corporation

Forward Citations = 0

2 inventors:

Haiyan Wang (1 out of 44 patents)

Dayong Wu (1 out of 1 patent)

Jianhua Cao (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Skpb Membrane-Tech (Beijing) Corporation. Retrieved from https://idiyas.com/company/skpb-membrane-tech-beijing

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]