GENEVA, Feb. 4 -- GUANGDONG AOYUN TECHNOLOGY CO., LTD. (No.45, Zhongkai Zhigu Industrial Park, Shanpi Village, Lilin Town, Zhongkai High-tech ZoneHuizhou, Guangdong 516006), 广东澳运科技有限公司 (中国广东省惠州市仲恺高新区沥林镇山陂村惠州仲恺中集智谷产业园45号厂房) filed a patent application (PCT/CN2025/123169) for "PORTABLE HAND WARMER CHARGING APPARATUS AND HAND WARMER ASSEMBLY" on Sep 23, 2025. With publication no. WO/2026/021619, the details related to the patent application was publ...