GENEVA, Feb. 2 -- DONGGUAN GOLDLAND INDUSTRIAL CO., LTD. (No. 3, First Road, Matan Industrial Zone, Qingxi TownDongguan, Guangdong 523000), 东莞市高朗实业有限公司 (中国广东省东莞市清溪镇马滩工业区一路三号) filed a patent application (PCT/CN2025/112486) for "AIR PURIFICATION AND AIR SUPPLY WELDING PROTECTIVE HELMET STRUCTURE" on Aug 04, 2025. With publication no. WO/2026/021609, the details related to the patent application was published on Jan 29, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system,...