INTERNATIONAL PATENT: HENAN POLYTECHNIC UNIVERSITY, 河南理工大学 FILES APPLICATION FOR "PERMEABILITY ENHANCEMENT DEVICE FOR COAL-SEAM GAS DRAINAGE"

GENEVA, April 6 -- HENAN POLYTECHNIC UNIVERSITY (No.2001 Century Avenue, High-tech DistrictJiaozuo, 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/CN2024/125627) for "PERMEABILITY ENHANCEMENT DEVICE FOR COAL-SEAM GAS DRAINAGE" on Oct 18, 2024. With publication no. WO/2025/067553, the details related to the patent application was published on Apr 03, 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): WEI, Jianping ...