The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 2026
Filed:
Sep. 08, 2023
Beijing Subway Operation Co., Ltd. Technology Innovation Research Institute Branch, Beijing, CN;
Ming Li, Beijing, CN;
Jiao Zhang, Beijing, CN;
Yun Wei, Beijing, CN;
Hongtao Zhu, Beijing, CN;
Tingrui Cui, Beijing, CN;
Minghui Ding, Beijing, CN;
Fan Yang, Beijing, CN;
Yu Zhang, Beijing, CN;
Liyuan Zhao, Beijing, CN;
Hao Guo, Beijing, CN;
Abstract
The present invention relates to a subway vehicle electronic record system based on blockchain technology, which mainly includes business view module, record information maintenance module, statistical analysis module, record information management module, system management module, and blockchain foundation platform. The invention comprehensively makes use of blockchain, database and other technologies to normalize heterogeneous data of subway vehicle record.