GENEVA, Oct. 18 -- TECMEN ELECTRONICS CO., LTD (No.8 Huyue East Road, Longchi Street, Luhe DistrictNanjing, Jiangsu 211500) filed a patent application (PCT/CN2024/091424) for "AUTO-DARKENING LASER LIGHT FILTER AND WELDING HELMET" on May 07, 2024. With publication no. WO/2025/213515, the details related to the patent application was published on Oct 16, 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): WU, Ziqian (No.8 Huyue East Road, Longchi Street, Luhe DistrictNanjing, Jiangsu 211500)
Abstract: A welding helmet (100) includes a metal mask (102,104) having an opening and an auto-darkening l...