GENEVA, March 8 -- TECMEN ELECTRONICS CO., LTD (No.8 Huyue East Road, Longchi Street, Luhe DistrictNanjing, Jiangsu 211500) filed a patent application (PCT/CN2024/114469) for "AUTO-DARKENING FILTER AND AUTO-DARKENING SYSTEM AND WELDING MASK COMPRISING THE SAME" on Aug 26, 2024. With publication no. WO/2025/044968, the details related to the patent application was published on Mar 06, 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): HU, Peng (No.8 Huyue East Road, Longchi Street, Luhe DistrictNanjing, Jiangsu 211500)
Abstract:
An auto-darkening filter, comprising a liquid crystal cell assem...