GENEVA, Nov. 2 -- LADDER ELECTRICITY (BEIJING) TECHNOLOGY CO., LTD. (Room A1340, 1st Floor, Building 1, No.73 Changhong West Road, Xilu Street,Fangshan District, Beijing 102400), 梯电（北京）科技有限公司 (中国北京市房山区西潞街道长虹西路73号1幢1层A1340) filed a patent application (PCT/CN2024/143028) for "BATTERY ENERGY STORAGE POWER SUPPLY DEVICE FOR ELEVATOR" on Dec 27, 2024. With publication no. WO/2025/222932, the details related to the patent application was published on Oct 30, 2025.
Notably, the patent application was submitted under the International...