INTERNATIONAL PATENT: HENAN POLYTECHNIC UNIVERSITY, 河南理工大学 FILES APPLICATION FOR "FRACTURING DEVICE MAINTENANCE APPARATUS"

GENEVA, Nov. 2 -- HENAN POLYTECHNIC UNIVERSITY (No2001, Century Avenue, High Tech ZoneJiaozuo, Henan 454000), 河南理工大学 (中国河南省焦作市高新区世纪大道2001号) filed a patent application (PCT/CN2024/090030) for "FRACTURING DEVICE MAINTENANCE APPARATUS" on Apr 26, 2024. With publication no. WO/2025/222484, the details related to the patent application was published on Oct 30, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): ZHANG, Jiyun (No2001, Century Avenue, ...